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All articles tagged: Neuroscience

Medical xPress 20 November at 05.03 PM

Spinal cord stimulation holds promise for chronic pain

Spinal cord stimulation (SCS) for treatment of chronic pain in the back and/or lower extremities is associated with greater improvements in pain compared with conventional medical management (CMM), according to a review published online Nov. 14 in JAMA Network Open.

Medical xPress 20 November at 05.00 PM

For chronic subdural hematomas, blocking artery supplying brain covering found to reduce re-operations threefold

A dramatic, threefold reduction in repeat operations in patients surgically treated for chronic subdural hematoma was achieved when the artery supplying the brain covering was blocked, according to results of a national clinical trial led by neurosurgeons at the University at Buffalo and Weill Cornell Medicine published in the New England Journal of Medicine.

Medical xPress 20 November at 04.12 PM

Recovery from 'brain on fire' disorder can take three years or longer, researchers find

Recovery from an autoimmune inflammation of the brain may take three years or more, according to a study published in the November 20, 2024, online issue of Neurology.

Medical xPress 20 November at 03.23 PM

Study reveals brain mechanisms involved in genetically based autism

A study from Tel Aviv University expands the understanding of the biological mechanism underlying genetically-based autism, specifically mutations in the SHANK3 gene, responsible for nearly one million cases of autism worldwide. Based on these discoveries, the research team applied a genetic treatment that improved the function of cells affected by the mutation, laying a foundation for future trea

Medical xPress 20 November at 10.00 AM

Deep brain stimulation: A promising future for anxiety in Parkinson's patients

Deep brain stimulation has revealed that a specific type of brain wave activity is associated with levels of anxiety in people living with Parkinson's disease, according to research led by scientists at City St George's and University of California San Francisco.

Medical xPress 19 November at 05.16 PM

Early adult binge drinking has lasting impact on aging brain in mice

Binge drinking in early adults can lead to long-lasting and potentially permanent dysregulation in the brain, according to a new study in mice, led by researchers at Penn State. They found that neurons, cells that transmit information in the brain via electrical and chemical signals, showed changes following binge drinking were similar in many ways to those seen with cognitive decline.

Medical xPress 19 November at 02.00 PM

How human brain functional networks emerge and develop during the birth transition

Brain-imaging data collected from fetuses and infants has revealed a rapid surge in functional connectivity between brain regions on a global scale at birth, possibly reflecting neural processes that support the brain's ability to adapt to the external world, according to a study published November 19, in the open-access journal PLOS Biology led by Lanxin Ji and Moriah Thomason from the New York U

Medical xPress 19 November at 01.19 PM

Detecting consciousness with EEGs, soundscapes and clowns

Whether due to a head injury or a disorder such as a brain tumor, a growing number of people find themselves immersed in altered states of consciousness, being barely able to communicate or completely unresponsive to outside stimuli.

Medical xPress 19 November at 01.17 PM

PNA5 protein shows potential for treating Parkinson's-related cognitive decline and dementia

A recently published study by researchers at the University of Arizona Health Sciences found that a tiny protein called PNA5 appears to have a protective effect on brain cells, which could lead to treatments for the cognitive symptoms of Parkinson's disease and related disorders.

Medical xPress 19 November at 08.10 AM

Transcranial direct current stimulation found to be safe, effective for tardive dyskinesia

Transcranial direct current stimulation (tDCS) may be an effective and safe treatment for improving the facial-oral motor symptoms of tardive dyskinesia (TD) in chronically hospitalized patients with schizophrenia, according to a study published online in the October issue of Clinical Neurophysiology.

Medical xPress 18 November at 04.32 PM

Brain injury rehabilitation study reveals neural mechanisms of sleep-dependent motor learning

New research published by scientists at Kessler Foundation provides critical insights into the role of sleep in motor learning for individuals recovering from traumatic brain injury (TBI). The study sheds light on how sleep, specifically a short nap, influences brain activity associated with motor skill improvement, with implications for optimizing rehabilitation strategies.

Medical xPress 18 November at 04.08 PM

Athletes have significantly better working memory than sedentary people, researchers find

In cognitive science, there has recently been increasing attention to the relationship between sports expertise and working memory. However, to date, no meta-analysis has compared the working memory performance of athletes and non-athletes.

Medical xPress 18 November at 11.47 AM

Study highlights need for non-motor care in stroke recovery

Care for stroke survivors urgently needs to focus on non-motor skill outcomes such as fatigue, anxiety and reduced social participation to improve survivors' quality of life and minimize care needs, according to a new study by researchers at UCL and UCLH.

Medical xPress 18 November at 09.43 AM

Parkinson's paradox: When more dopamine means more tremor

Researchers from the Champalimaud Foundation have shed light on the puzzling relationship between dopamine and rest tremor in Parkinson's disease, finding that preserved dopamine in certain brain regions may actually contribute to tremor symptoms, challenging common beliefs.

Medical xPress 18 November at 09.34 AM

Our minds may process language like chatbots, study reveals

A recent study has found fascinating similarities in how the human brain and artificial intelligence models process language. The research, published in Nature Communications, suggests that the brain, like AI systems such as GPT-2, may use a continuous, context-sensitive embedding space to derive meaning from language, a breakthrough that could reshape our understanding of neural language processi

Medical xPress 15 November at 11.50 AM

Digital holographic imaging system offers a new path to noninvasive brain-computer interface

Controlling a computer with your mind was once pure science fiction, but it's now plausible thanks to brain-computer interface (BCI) technology. Today's BCI systems have achieved extraordinary advancements to control complex machines through thought, yet there is still one major obstacle—identification of a novel signal that can be recorded through your scalp and skull.

Medical xPress 14 November at 04.29 PM

Neural circuits reveal new insights into how we navigate space and store memories

Researchers led by the University of California, Irvine are the first to reveal how two neural circuits located in the brain's retrosplenial cortex are directly linked to spatial navigation and memory storage. This discovery could lead to more precise medical treatments for Alzheimer's disease and other cognitive disorders by allowing them to target pathway-specific neural circuits.

Medical xPress 14 November at 02.33 PM

Q&A: Generating data from neurons to teach AI the rules of the brain

The 2024 Nobel Prizes in physics and chemistry were seen as a sweep for artificial intelligence (AI) tools which, at their conception, were inspired by neuroscience. By imitating the behavior of human brain cells, machine-learning algorithms are accelerating our understanding of basic biology, with technologies such as Google DeepMind's AlphaFold 3 making it possible to predict the structure of pr

Medical xPress 14 November at 01.00 PM

How cells recycle damaged mitochondria in middle age may be critical for brain health

Mitochondria play an essential role in maintaining cellular health. When damaged, they are removed through a recycling process called mitophagy, which is crucial for the function of long-lived cells, especially in the brain. Impaired mitophagy has been strongly associated with neurodegenerative disorders like Alzheimer's and Parkinson's disease, making it a critical focus for drug discovery and th

Medical xPress 14 November at 12.50 PM

Maternal stress linked to increased early onset epilepsy in children

Tottori University researchers in Japan have linked maternal psychological distress during pregnancy to an increased risk of epilepsy in children.

Medical xPress 14 November at 11.18 AM

Pioneering surgical approach set to pave the way for hearing loss treatment

University of Sheffield spinout company, Rinri Therapeutics, a company focused on developing new treatments for hearing loss using regenerative cell therapy, has announced an innovative surgical method to deliver treatments directly to the nerve that connects the inner ear to the brain.

Medical xPress 14 November at 10.50 AM

Structural analysis shows Alzheimer's disease mutation produces 'cottonwool' structures in the brain

An international collaboration led by RIKEN researchers has discovered how unusual spherical structures form in the brains of people with a mutation that causes a form of inherited Alzheimer's disease. This discovery could help better understand the mechanics of the debilitating neurodegenerative disease.

Medical xPress 14 November at 10.30 AM

These are the three big factors driving strokes, experts warn

A trio of risk factors not only increase your risk of stroke, but they also raise the odds that such a stroke will be debilitating, a new study warns.

Medical xPress 14 November at 07.40 AM

Study explores how brain waves reflect melody predictions while listening to music

The human brain is highly skilled at detecting patterns in the world and using this information to predict future events. This ability to anticipate events is also reflected in how we experience music, precisely in our ability to intuitively anticipate what will come next in a melody we are listening to.

Medical xPress 13 November at 04.54 PM

Minimally invasive neural interface allows brain access without skull opening

A team of researchers led by Rice University's Jacob Robinson and the University of Texas Medical Branch's Peter Kan has developed a technique for diagnosing, managing and treating neurological disorders with minimal surgical risks. The team's findings were published in Nature Biomedical Engineering.

Medical xPress 13 November at 04.44 PM

Those with stroke risk factors may be more likely to have severe strokes

People with conditions or habits such as high blood pressure, an irregular heartbeat called atrial fibrillation, or smoking, not only have a higher risk of stroke, they may also have more severe strokes than people without these risk factors, according to a study published in the journal Neurology.

Medical xPress 13 November at 02.39 PM

Indicators of an aging brain: A 20-year study

Johns Hopkins University-led researchers, working with the Biomarkers for Older Controls at Risk for Dementia (BIOCARD) cohort, have found that certain factors are linked to faster brain shrinkage and quicker progression from normal thinking abilities to mild cognitive impairment (MCI). People with type 2 diabetes and low levels of specific proteins in their cerebrospinal fluid showed more rapid b

Medical xPress 13 November at 11.00 AM

We need to talk about what smartphones are doing to kids' brains, expert says

We know there are links between young people overusing devices and a decline in cognitive abilities, as well as problems with attention, focus and memory.

Medical xPress 12 November at 12.57 PM

Study challenges popular belief that children are quicker at picking up new motor skills than adults

Contrary to popular belief, children aren't better at learning new skills than adults. Indeed, young adults seem to learn faster than kids—but also tend to forget more quickly. Here, better sleep seems to advantage children. This is the conclusion of a new study from the University of Copenhagen.

Medical xPress 12 November at 11.59 AM

Researchers identify a potential biomarker of Parkinson's disease progression

A team of researchers from the University of Barcelona and the Bellvitge Biomedical Research Institute (IDIBELL) has identified a potential biomarker of Parkinson's disease progression. According to the study, published in npj Parkinson's Disease, patients with a slow progression of the pathology may have a significant increase in the levels of a molecule called ecto-GPR37 in the cerebrospinal flu

Medical xPress 12 November at 11.08 AM

When muscles work out, they help neurons grow: Biochemical and physical effects of exercise could help heal nerves

There's no doubt that exercise does a body good. Regular activity not only strengthens muscles but can bolster our bones, blood vessels, and immune system.

Medical xPress 12 November at 09.30 AM

Neuroscientists look for clues to stop seizures

Using deep brain stimulation techniques, neuroscientists at Mayo Clinic are looking for early signals in the brain to help stop seizures. In their biomarker discovery initiative, a team of researchers is assessing how different stimulation patterns affect different parts of the brain.

Medical xPress 11 November at 03.00 PM

Mental fatigue leads to loss of self-control by putting brain areas to sleep, finds study

Prolonged mental fatigue can wear down brain areas crucial for an individual's ability to self-control, and can cause people to behave more aggressively.

Medical xPress 11 November at 12.08 PM

Uncharted territory: Expert discusses technology to map brain activity

To understand how different regions of the brain work together, researchers use a method called resting-state functional magnetic resonance imaging (rsfMRI). The method measures brain activity by observing changes in blood flow to different parts of the brain; however, rsfMRI does not explain how these blood flow changes to different brain regions relate to what is happening with the brain's neuro

Medical xPress 11 November at 11.42 AM

I'm a neuroscientist who taught rats to drive. Their joy suggests how anticipating fun can enrich human life

We crafted our first rodent car from a plastic cereal container. After trial and error, my colleagues and I found that rats could learn to drive forward by grasping a small wire that acted like a gas pedal. Before long, they were steering with surprising precision to reach a Froot Loop treat.

Medical xPress 11 November at 11.30 AM

TYK2 enzyme alters tau protein that contributes to Alzheimer's disease, researchers discover

Researchers at Baylor College of Medicine, the Jan and Dan Duncan Neurological Research Institute (Duncan NRI) at Texas Children's Hospital and collaborating institutions discovered that the enzyme TYK2 transforms the normal protein tau into one that accumulates in the brain and contributes to the development of Alzheimer's disease in animal models.

Medical xPress 11 November at 11.02 AM

Understanding epilepsy: Insights from a child neurologist

Epilepsy is a common but complex neurological disorder that impacts millions of people worldwide. It occurs when groups of neurons in the brain send abnormal signals, leading to seizures. These seizures, which come in various forms, can affect memory, learning and even cause damage to brain cells.

Medical xPress 11 November at 11.00 AM

Asthma may place children at risk of memory difficulties, analysis finds

Asthma is associated with memory difficulties in children, and early onset of asthma may exacerbate memory deficits, according to a new study from the University of California, Davis. The study, the first of its kind to connect asthma to memory deficits in children, was published on Nov. 5 in JAMA Network Open.

Medical xPress 11 November at 11.00 AM

Frailty identified as a significant predictor of future dementia risk

An international study led by a University of Queensland researcher has found frailty increases a person's risk of dementia, but early intervention may be the key to prevention. The research paper has been published in JAMA Neurology.

Medical xPress 11 November at 09.50 AM

Bystander CPR up to 10 minutes after cardiac arrest may protect brain function

The sooner a lay rescuer (bystander) starts cardiopulmonary resuscitation (CPR) on a person having a cardiac arrest at home or in public, up to 10 minutes after the arrest, the better the chances of saving the person's life and protecting their brain function, according to preliminary research to be presented at the American Heart Association's Resuscitation Science Symposium 2024 held Nov. 16–17,

Medical xPress 08 November at 12.14 PM

Key pathway leading to neurodegeneration in early stages of ALS identified

Approximately 5,000 people in the U.S. develop amyotrophic lateral sclerosis (ALS) each year. On average, they survive for only two to five years after being diagnosed, according to the Centers for Disease Control and Prevention.

Medical xPress 08 November at 12.06 PM

Delving into the causes of attention deficits: Childhood adversity, lost sleep and dopamine

New research on the effects of adversity in childhood ties together stress, sleep loss, and attention deficits later in life. It also uncovers some of the underlying brain biology and potential treatment approaches—while revealing a puzzling sex-specific effect.

Medical xPress 07 November at 03.05 PM

25-year study reveals key factors in healthy brain aging and cognitive performance

A 25-year research program has unveiled key insights into how our brains age and what factors influence cognitive performance throughout life. The findings, published on 7 November 2024 in Genomic Psychiatry, draw from the Lothian Birth Cohorts (LBC) studies, which uniquely tracked participants' cognitive abilities from childhood through their eighth decade of life.

Medical xPress 07 November at 02.51 PM

Neuroscientists investigate developmental and genetic factors affecting sleep behavior

Mubarak Hussain Syed, an assistant professor of Biology at The University of New Mexico, along with a team of UNM students and collaborators at the University of Pennsylvania, is investigating how developmental and genetic factors affect sleep behavior. As in most of their projects, the Syed lab team uses Drosophila, commonly known as a fruit fly, for their research.

Medical xPress 07 November at 02.00 PM

New study links liver-brain communication to daily eating patterns

People who work the nightshift or odd hours and eat at irregular times are more prone to weight gain and diabetes, likely due to eating patterns not timed with natural daylight and when people typically eat. But is it possible to stave off the ill effects of eating at these "unusual" times despite it not being biologically preferable?

Medical xPress 07 November at 11.22 AM

Eye-tracking study discovers the retinal mechanisms behind visual stability

The visual perception of optical stimuli demands high performance from the brain. Every second, the eyes absorb more than 10 million pieces of information and transmit them to the brain via thousands of nerve fibers. This leads us to perceive the world as stable, even though we are constantly moving our eyes.

Medical xPress 07 November at 07.45 AM

Poor sleep quality linked to incident motoric cognitive risk syndrome

Poor sleep quality may be associated with incidental, but not prevalent, motoric cognitive risk syndrome (MCR), a predementia syndrome characterized by slow gait speed and cognitive complaints, according to a study published online Nov. 6 in Neurology.

Medical xPress 06 November at 04.11 PM

New microscope enables deep and wide neuroimaging

Researchers at Cornell have unveiled an advanced imaging technology capable of unprecedented deep and wide-field visualization of brain activity at single-cell resolution. The innovative microscope, named DEEPscope, combines two-photon and three-photon microscopy techniques to capture large-scale neural activity and structural details that were previously inaccessible.

Medical xPress 06 November at 01.12 PM

Stereotactic radiosurgery achieves high rates of tumor control for Koos grade I vestibular schwannomas

As primary care for Koos grade I vestibular schwannomas, stereotactic radiosurgery (SRS) is superior to observation with regard to tumor control and preservation of neurologic function, according to the results of an international, multicenter retrospective study.

Medical xPress 06 November at 01.12 PM

Research supports brain cell transplantation as a treatment for some neurological disorders

Astrocytes—named for their star-like shape—are a type of brain cell as abundant as neurons in the central nervous system, but little is known about their role in brain health and disease.

Medical xPress 06 November at 12.37 PM

Brain scans reveal what happens in parts of the cerebral cortex while watching a movie

By scanning the brains of people while they watched movie clips, neuroscientists have created the most detailed functional map of the brain to date. The fMRI analysis, published November 6 in Neuron, shows how different brain networks light up when participants viewed short clips from a range of independent and Hollywood films, including Inception, The Social Network, and Home Alone.

Medical xPress 06 November at 11.00 AM

Researchers uncover mechanism in the brain that constantly refreshes memory

Mount Sinai researchers have discovered for the first time a neural mechanism for memory integration that stretches across both time and personal experience. These findings, reported in Nature, demonstrate how memories stored in neural ensembles in the brain are constantly being updated and reorganized with salient information, and represent an important step in deciphering how our memories stay c

Medical xPress 06 November at 11.00 AM

Researchers show astrocytes in the brain play a role in memory retrieval

A study published in Nature by researchers at Baylor College of Medicine changes the way we understand memory. Until now, memories have been explained by the activity of brain cells called neurons that respond to learning events and control memory recall.

Medical xPress 05 November at 04.11 PM

Researchers discover critical link between myelin repair failure and neuron damage in multiple sclerosis

Multiple sclerosis, a neuroinflammatory disease that affects nearly 3 million people worldwide, causes a loss of myelin, the fatty sheath that covers nerve cells in the brain and spinal cord.

Medical xPress 05 November at 02.00 PM

In silico model of rat hippocampal CA1 region integrates diverse experimental data from synapse to network

In a new study, researchers have developed a comprehensive in silico model of the rat hippocampal CA1 region. This model is unique as it integrates a wide range of experimental data, from the synaptic level to the network level, providing a holistic view of the hippocampal function.

Medical xPress 05 November at 09.04 AM

Researchers reveal the long, silent history of sports concussion

University of Queensland researchers have uncovered the hidden history of concussion in sport, finding the brain-trauma crisis has a long and complex past.

Medical xPress 04 November at 04.53 PM

Study reveals blood sugar control is key factor in slowing brain aging, highlighting benefits of Mediterranean diet

Age-related brain atrophy, the gradual loss of neurons and shrinkage of brain tissue, is a natural part of aging, which can lead to cognitive decline and other neurological issues. While so far aging cannot be prevented, recent research from an 18-month dietary intervention offers hope that lifestyle and dietary changes can slow brain aging. A new international study, led by Ben-Gurion University

Medical xPress 04 November at 12.31 PM

Vesalius' historical 'manikins' displayed together for first time: A collection of works for historical surgery training

For the first time, researchers at Phoenix's Barrow Neurological Institute have collected and displayed together the "manikins" published nearly 500 years ago by the 16th Century anatomist Andrea Vesalius—works that laid the foundation for modern surgical and neurosurgical training.

Medical xPress 04 November at 11.47 AM

Study finds use of sedative dexmedetomidine decreases cerebral hyperperfusion in stent surgery

Researchers have discovered a promising approach for reducing brain injury risk in patients undergoing carotid artery stenting (CAS). CAS is a procedure commonly performed in elderly patients with blockages in the carotid arteries, which supply blood to the brain.

Medical xPress 04 November at 10.45 AM

Robot-assisted laser procedure enables gentle craniotomy while patients are awake

To test complex brain functions during neurosurgical procedures, surgeons must operate on awake, locally anesthetized patients. This allows surgeons to interact with them and test how their intervention affects brain function. However, opening the skull while the patient is awake is extremely stressful for them psychologically.

Medical xPress 04 November at 10.21 AM

Diverse datasets bring brain–behavior machine learning models closer to clinical use

Relating brain activity to behavior is an ongoing aim of neuroimaging research as it would help scientists understand how the brain begets behavior—and perhaps open new opportunities for personalized treatment of mental health and neurological conditions.

Medical xPress 02 November at 09.10 AM

Novel visualization method helps make sense of large neuronal activity datasets

Recent technological advances opened exciting possibilities for neuroscience, enabling the collection of increasingly detailed neural data. Making sense of the large number of neural recordings gathered by neuroscientists worldwide, however, has so far proved more challenging.

Medical xPress 01 November at 02.37 PM

Infant brains are like sponges—predictable caregivers can make them even spongier, research finds

It's a scientific truth many in the field of early childhood development like to parrot: children's brains are like sponges. But getting to see a child's sponge-like learning in action, from the perspective of a scientist, requires state-of-the-art imaging and some human subjects—young and old.

Medical xPress 01 November at 02.00 PM

New Huntington's treatment prevents protein aggregation

Scientists at Northwestern and Case Western Reserve universities have developed the first polymer-based therapeutic for Huntington's disease, an incurable, debilitating illness that causes nerve cells to break down in the brain.

Medical xPress 01 November at 10.00 AM

RNA structures present a promising target for early intervention in Parkinson's disease

A team of researchers at Kumamoto University has uncovered a mechanism in the formation of harmful protein aggregates that lead to neurodegenerative diseases such as Parkinson's disease.

Medical xPress 31 October at 04.06 PM

Fibrils study fills in a missing piece for neurodegenerative disease research

Research led by the University of Michigan has provided compelling evidence that could solve a fundamental mystery in the makeup of fibrils that play a role in Alzheimer's, Parkinson's and other neurodegenerative diseases.

Medical xPress 31 October at 01.21 PM

Clinical trial shows thrombectomy does not improve outcomes for patients with large strokes

Treatment with endovascular thrombectomy did not significantly improve outcomes after 90 days in patients with a large core stroke, as compared to patients who received standard stroke care alone, according to a recent clinical trial published in JAMA.

Medical xPress 31 October at 10.26 AM

Subcellular 'wearable' devices that wrap around neurons could measure and modulate electrical activity

Wearable devices like smartwatches and fitness trackers interact with parts of our bodies to measure and learn from internal processes, such as our heart rate or sleep stages.

Medical xPress 31 October at 06.00 AM

Human proteins may explain inter-individual differences in functional brain connectivity, research suggests

A long-standing goal of neuroscience is to understand how molecules and cellular structures on a microscale give rise to communication between brain regions at the macroscale.

Medical xPress 30 October at 05.00 PM

Study: Low-level lead poisoning accounts for cognitive deficits in children, risk factors for heart conditions

Chronic, low-level lead poisoning is a major risk factor for cardiovascular disease in adults and cognitive deficits in children, even at levels previously thought to be safe, according to a paper by Columbia University Mailman School of Public Health, Simon Fraser University in Canada, and Harvard Medical School, and Boston Children's Hospital.

Medical xPress 30 October at 04.26 PM

How the brain plans ahead to predict the world

Your brain not only processes what you see but continuously makes predictions based on your experiences. This process may be less finetuned in people with autism.

Medical xPress 30 October at 04.21 PM

Specific inhibitors protect nerve cells from dying in mouse models for Alzheimer's

Alzheimer's disease, the leading cause of dementia, affects over 55 million people worldwide. The disease is characterized by the buildup of amyloid-beta plaques and tau protein tangles in the brain, which disrupt cell communication and lead to the widespread death of nerve cells. The consequences of this massive cell loss are the heartbreaking cognitive decline and memory loss for which the condi

Medical xPress 30 October at 04.19 PM

Combining VR and non-invasive brain stimulation to boost spatial memory without surgery

As we age, it becomes more difficult to remember where things are—whether it's recalling where we left the keys or where we parked the car. This spatial memory deteriorates further with the onset of dementia, a condition that someone in the world develops every three seconds, according to Alzheimer's Disease International.

Medical xPress 30 October at 04.00 PM

Costs still on the rise for drugs for neurological diseases, finds study

The amount of money people pay out-of-pocket for branded drugs to treat neurological diseases like multiple sclerosis (MS), Alzheimer's, and Parkinson's disease continues to rise, especially for MS drugs, according to a study published in the October 30, 2024, online issue of Neurology.

Medical xPress 30 October at 12.00 PM

Harnessing the brain's ability to suppress inappropriate immune responses may offer improved treatment

The brain constantly engages in dialogue with the body's immune system. Such communication appears aimed at ensuring a delicate balance between defending against injury and infection and guarding healthy tissue.

Medical xPress 30 October at 12.00 PM

Heart signals brain to boost sleep for healing after heart attack, study finds

A heart attack can trigger a desire to get more sleep, allowing the heart to heal and reduce inflammation—and this happens because the heart sends special signals to the brain, according to a new Mount Sinai study.

Medical xPress 30 October at 11.40 AM

Twin study illuminates how turncoat T cells launch nervous system assaults in multiple sclerosis

Few autoimmune disorders are more challenging for patients than multiple sclerosis, a progressive condition that can affect vision, impair the ability to walk, cause extreme bouts of neuropathic pain, and tends to strike women at three times the rate of men.

Medical xPress 30 October at 09.42 AM

New voltage indicator enables ultra-sensitive synaptic imaging

Bioengineers and neuroscientists at the Wu Tsai Neurosciences Institute at Stanford University have developed a highly sensitive tool for detecting brain cells' subtlest electrical signals.

Medical xPress 29 October at 06.30 PM

'Weekend warrior' exercise pattern may equal more frequent sessions for lowering cognitive decline risk

Just one or two sessions of physical activity at the weekend—a pattern of exercise dubbed 'weekend warrior'—may be just as likely to lower the risk of cognitive decline, which can often precede dementia, as more frequent sessions, concludes research published online in the British Journal of Sports Medicine.

Medical xPress 29 October at 05.10 PM

Clinical practice guideline updated for migraine, tension-type headache

In a clinical practice guideline (CPG) issued by the U.S. Department of Veterans Affairs and U.S. Department of Defense and published online Oct. 29 in the Annals of Internal Medicine, updated recommendations are presented for the management of migraine and tension-type headache (TTH).

Medical xPress 29 October at 03.33 PM

Face-likeness affects unconscious processing, study finds

Our brains possess a cognitive mechanism that allows us to quickly recognize faces even with limited visual information. Focusing on this phenomenon, Toyohashi University of Technology investigated how the brain processes ambiguous visual stimuli resembling faces under unconscious conditions.

Medical xPress 29 October at 03.23 PM

Can a positive outlook on aging lead to better cognitive performance?

Getting older brings certain expectations, from gray hair and wrinkles to more bouts of forgetfulness. While these beliefs may seem harmless, whether a person views these changes in a positive or negative light may influence how they perceive their cognitive abilities, according to a new study from researchers in the Penn State College of Nursing.

Medical xPress 29 October at 02.24 PM

Study finds parenting affects kids' brains differently at different ages

Early exposure to harsh parenting during preschool years can have widespread effects on the organization of the entire brain's communication. Later exposures affect specific brain areas.

Medical xPress 29 October at 02.01 PM

Mitigating the neurotoxic effects of lead exposure

Lead exposure is a risk to any human, but children are most vulnerable to the element's neurotoxicity, which can lead to developmental delays, learning difficulties and mood changes among other symptoms. There has been some progress in reducing exposure and preventing neurotoxicity, but hundreds of thousands of American children are still affected.

Medical xPress 29 October at 02.00 PM

Ultrasound as a search and rescue tool for the brain

Ultrasound, once used almost exclusively to take images of the body, is quickly developing into a targeted therapy that can have a potentially life-changing impact on our brains, according to the authors of a new article.

Medical xPress 29 October at 09.10 AM

Highly detailed reconstruction of human brain connectivity includes dozens of brainstem nuclei

Recent technological advances are allowing neuroscientists to map the human brain with increasing precision, highlighting connections between different regions and their function in greater depth. While the role of many brain regions has been broadly identified, the unique contribution of the brainstem to their function remains less understood.

Medical xPress 29 October at 01.00 AM

From concert piano to fear memory research, researcher bridges mouse-human studies

In a new interview published in Brain Medicine, Dr. Raül Andero Galí reveals how his early passion for classical piano shaped his unique approach to neuroscience research. As an ICREA Research Professor at the Autonomous University of Barcelona, Dr. Andero Galí leads groundbreaking studies that connect mouse and human fear responses, potentially revolutionizing treatments for PTSD and anxiety diso

Medical xPress 28 October at 03.56 PM

New miRNA inhibitor could extinguish the 'inflammatory fire' that stroke causes in the brain

It's been more than three decades, but still there are only two treatments for a stroke: either rapid use of a clot-busting medication called tPA or surgical removal of a clot from the brain with mechanical thrombectomy. However, only 5% to 13% percent of stroke cases are actually eligible for these interventions.

Medical xPress 28 October at 02.27 PM

Scientists can reverse brain aging in fruit flies by preventing buildup of a common protein

Humans aren't the only ones who grow forgetful as they age—fruit flies do, too. But because fruit flies have a lifespan of only about two months, they can be a useful model for understanding the cognitive decline that comes with aging.

Medical xPress 28 October at 02.18 PM

Discrimination leads to changes in the gut microbiome

In a new study, UCLA Health researchers have found that people who experienced discrimination had pro-inflammatory bacteria and gene activity in their gut microbiome that was different from those who did not experience discrimination. The researchers could also predict with 91% accuracy which study participants faced discrimination by only analyzing their gut microbiome using stool samples.

Medical xPress 28 October at 02.15 PM

Enhancing cardiovascular function with spinal cord transcutaneous stimulation in high-level spinal cord injury

Kessler Foundation researchers published new findings on neuromodulation in individuals with high-level spinal cord injury (SCI) using spinal cord transcutaneous stimulation (scTS). This promising approach to enhance cardiovascular regulation addresses the challenges of unstable blood pressure and the accompanying hypotensive and hypertensive events following SCI.

Medical xPress 28 October at 09.57 AM

Micro-shockwave electronic therapy shows potential for safe non-invasive treatment of brain disorders

Professor Jai-ick Yoh's research team from the Department of Aerospace Engineering, in collaboration with Professor Hyung-Jin Choi's team from Seoul National University's College of Medicine, has developed a non-invasive micro-shockwave therapy for the safe treatment of brain disorders without requiring surgical incisions.

Medical xPress 28 October at 09.48 AM

Learning to learn: Researchers discover meta-learning of motor skills in the dorsal premotor cortex of the brain

Superior motor learning ability in athletes is not an innate talent but a skill that can be developed throughout life. Over the past decade, motor control scientists have observed significant variations in motor learning speeds, yet the mechanisms behind these differences has remained unclear.

Medical xPress 28 October at 09.28 AM

Alzheimer's research: Superspreader fibrils caught in the act

The treatment of dementia disorders such as Alzheimer's is still one of the greatest challenges facing modern medicine. In the course of neurodegenerative diseases, certain proteins such as the amyloid β protein accumulate in the brain. They are suspected of being linked to the development of the disease, which is why they are considered a promising target for therapeutic approaches.

Medical xPress 28 October at 09.16 AM

Discovery of key mechanism in Huntington's disease could pave the way for early detection and treatment

Researchers from the University of Oxford have identified a key biochemical mechanism relevant to the development of Huntington's disease. This discovery opens up the possibility of studying the disease before its clinical onset and eventually stopping its progression.

Medical xPress 25 October at 11.02 AM

Newborn brains can recognize complex sound patterns, researchers discover

A team of researchers, including psycholinguist Jutta Mueller from the University of Vienna, has discovered that newborns are capable of learning complex sound sequences that follow language-like rules. This study provides long-sought evidence that the ability to perceive dependencies between non-adjacent acoustic signals is innate.

Medical xPress 24 October at 02.19 PM

Visualization tool helps scientists spot neuronal activity patterns in mountains of data

Neuroscientists have learned a lot—like which neurons and circuits are associated with different behaviors—by recording the activity of small sets of neurons.

Medical xPress 24 October at 01.19 PM

Study highlights barriers to health care for patients with learning disabilities

Patients with learning disabilities experience significant barriers to accessing health care in England, according to a new study.

Medical xPress 24 October at 01.10 PM

Reminders can eliminate age-related decline in memory

A new study from UT Arlington reveals that setting reminders can eliminate some age-related declines in memory. The findings offer a significant breakthrough in addressing the cognitive challenges faced by older adults, particularly in the context of prospective memory, which is the ability to remember to perform an intended action at the right moment, like taking medication or attending appointme

Medical xPress 24 October at 11.29 AM

Unlock lucid dreams: Proven training methods unveiled by scientists

Lucid dreaming apps are gaining in popularity as interest grows in optimizing sleep for self-improvement and better health. If you ever experience a dream while knowing that you are dreaming—that's what's called a lucid dream.

Medical xPress 24 October at 11.10 AM

Stroke disrupts neuron formation from stem cells: Research reveals underlying mechanisms

In healthy rodent brains, newborn neurons are constantly generated in the stem cell niche, known as the subventricular zone (SVZ). These cells might help to repair a brain that has been damaged by disorders of the central nervous system.

Medical xPress 24 October at 10.55 AM

Hippocampus study shows chronic pain can be predicted within three days of whiplash injury

After only one to three days of a whiplash injury, scientists can predict which patients will develop chronic pain based on the extent of cross "talk" between two regions of the brain, and the person's anxiety level after the injury, according to a new Northwestern Medicine study.

Medical xPress 24 October at 10.52 AM

Scientists highlight negative impacts of sleep disruption on early brain development

Sleep deprivation in adults has long been proven to cause long-term mental and physical health issues, including, but not limited to, weakened immune systems, weight gain, depression, and increased risk of dementia.

Medical xPress 23 October at 05.18 PM

Brain organoids reveal autism biology and potential treatments

Using stem cells generated from patients with a rare and severe form of autism spectrum disorder and intellectual disability, Scripps Research scientists have grown personalized "mini-brains" (or organoids) to study the disorder in new detail.

Medical xPress 23 October at 04.28 PM

Decoding the hidden signals of aggression and arousal in the brain

A series of three papers from neuroscientist David J. Anderson's laboratory, two in the journal Nature and one in the journal Cell, reveal new insights into the neural signals underlying internal emotional states, including aggression and sexual arousal. The studies show that the state of aggression in male mice and the state of arousal in female mice are both encoded by a common type of signal in

Medical xPress 23 October at 04.00 PM

Study links poor sleep in middle age to signs of brain aging

People in early middle age who have poor sleep quality, including having difficulty falling or staying asleep, have more signs of poor brain health in late middle age, according to a study published in the October 23, 2024, online issue of Neurology. The study does not prove that poor sleep accelerates brain aging. It only shows an association between poor sleep quality and signs of brain aging.

Medical xPress 23 October at 02.02 PM

The decision to eat may come down to these three neurons

Speaking, singing, coughing, laughing, yelling, yawning, chewing—we use our jaws for many purposes. Each action requires a complex coordination of muscles whose activity is managed by neurons in the brain. But it turns out that the neural circuit behind the jaw movement most essential to survival—eating—is surprisingly simple, as researchers from Rockefeller University recently described in a new

Medical xPress 23 October at 01.10 PM

Antibiotics and antifungals may slightly affect Parkinson's risk, study finds

A Rutgers Health study has found that people who took multiple courses of penicillin antibiotics had a modestly lower risk of developing Parkinson's disease, a surprising finding that researchers say highlights the complex relationship between bacteria in the digestive tract and brain health.

Medical xPress 23 October at 12.50 PM

Brain pathways that control dopamine release may influence motor control

Within the human brain, movement is coordinated by a brain region called the striatum, which sends instructions to motor neurons in the brain. Those instructions are conveyed by two pathways, one that initiates movement ("go") and one that suppresses it ("no-go").

Medical xPress 23 October at 11.28 AM

Sleep deprivation may affect learning temporarily

Soon we will once again switch to winter time, that is, we set the clocks back an hour. Switching to winter time is considered the easier of the two annual clock transitions, as we gain an hour of sleep. Some people may find the one-hour change challenging, as our sleep patterns can be momentarily disturbed.

Medical xPress 23 October at 10.00 AM

Cannabis use in adolescence has visible effects on brain structure

Cannabis use may lead to thinning of the cerebral cortex in adolescents, according to a recent study led by Graciela Pineyro and Tomas Paus, researchers at CHU Sainte-Justine and professors at the Université de Montréal Faculty of Medicine. The work is published in The Journal of Neuroscience.

Medical xPress 23 October at 06.00 AM

New concussion sign could identify up to 33% of undiagnosed concussions

Concussion researchers have recognized a new concussion sign that could identify up to 33% of undiagnosed concussions. After a hit to the head, individuals sometimes quickly shake their head back and forth. Although it has been depicted in movies, television, and even cartoons for decades, this motion has never been studied, named, and does not appear on any medical or sports organization's list o

Medical xPress 22 October at 12.50 PM

Bilingualism may maintain protection against Alzheimer's, neuroimaging study finds

Bilingualism has long been known to have cognitive benefits for older adults. Research shows it helps delay the onset of Alzheimer's disease by up to five years compared to monolingual adults. This is one of several lifestyle factors that may contribute to brain resilience as we age.

Medical xPress 22 October at 12.31 PM

Study highlights complexity of menopausal hormone therapy's impact on brain health

A study suggests that menopausal hormone therapy (MHT) might have moderate effects on brain health, but this depends on past surgical history, the duration of treatment, and a woman's age at last use.

Medical xPress 22 October at 11.06 AM

Experimental study in rats and humans show cognitive effort whets the appetite for reward

Mental fatigue may make rewards more desirable, according to a study in rats and humans. Exerting cognitive effort has been linked with making unhealthy choices. In the past, the link has been explained via a weakening of inhibitory control or will power.

Medical xPress 22 October at 11.00 AM

'Visual clutter' alters information flow in the brain, study shows

Whether we're staring at our phones, the page of a book, or the person across the table, the objects of our focus never stand in isolation; there are always other objects or people in our field of vision. How that visual "clutter" affects visual processing in the brain, however, is not well understood.

Medical xPress 22 October at 09.19 AM

Could 'zombie cells' in the skin be aging your brain too?

Mayo Clinic researchers have found that senescent cells—non-dividing "zombie" cells—accumulate in the skin as people age and may influence aging in other parts of the body.

Medical xPress 22 October at 07.10 AM

New review suggests evaluating Tibetan medicinal herb as potential treatment for mild cognitive impairment

Within Tibetan medicine, the medicinal herb Terminalia chebula (T. chebula) is well-known for its extensive therapeutic properties. Its usefulness against bacteria, viruses, oxidation, inflammation, glycemia, and tumors has been elucidated in classic texts as well as in modern research, and it is prescribed for numerous physical conditions.

Medical xPress 21 October at 11.20 AM

Human study provides evidence that theta phase precession supports memory formation and retrieval

Past neuroscience research has pinpointed many of the neural processes through which the human brain forms, stores and retrieves important information, such as domain-specific knowledge and memories. One dimension of human memory is the ability to link various aspects of experience to specific life events.

Medical xPress 21 October at 11.00 AM

Computational model can predict epilepsy after rare stroke

Researchers from 15 countries, led by Amsterdam UMC, have developed a way to predict which patients are at risk of epilepsy after a cerebral venous sinus thrombosis (CVT).

Medical xPress 18 October at 01.03 PM

Can pain be measured objectively, based on science?

When Northeastern professor Yingzi Lin visited her father after his hip replacement, doctors asked him to measure his level of pain on the standard score of zero to 10.

Medical xPress 18 October at 10.53 AM

Researchers identify molecular mechanism that could help design future therapies to treat Alzheimer's disease

A research team at the Institute of Neurosciences of the University of Barcelona (UBneuro) has led a study describing a new molecular mechanism that affects RNA processing and alters the process of protein synthesis in the brains of Alzheimer's patients.

Medical xPress 18 October at 10.30 AM

Solving a 50-year-old mystery could lead to neurodegenerative disease treatments

Scientists have gained a deeper understanding of a molecule that regulates lipid levels in the brain. This breakthrough could eventually lead to treatments for diseases like frontotemporal dementia and Alzheimer's disease. The findings are published in the journal Cell.

Medical xPress 17 October at 04.48 PM

How neural networks help the brain predict future events

On 17 October 2024, Martina Lamberti publicly defended her Ph.D. thesis, "Know the Past to See the Future: Memory and Prediction in In-Vitro Cortical Neurons," at the University of Twente. Her research sheds light on how the brain predicts future events and forms memories. These findings could open new doors in understanding neurological conditions like dementia.

Medical xPress 17 October at 03.30 PM

Retinal neuroaxonal loss detectable with epilepsy

In people with epilepsy, progression of retinal neuroaxonal loss is detectable at short-term follow-up, according to a study published online Oct. 9 in Epilepsia.

Medical xPress 17 October at 03.20 PM

Tenecteplase has similar safety to tissue plasminogen activator for acute ischemic stroke

For patients with acute ischemic stroke (AIS), tenecteplase (TNK) has improved functional outcome and reduced disability and similar safety to alteplase (tissue plasminogen activator [TPA]), according to a study published online Oct. 16 in Neurology.

Medical xPress 17 October at 02.48 PM

A new era of treating neurological diseases at the blood-brain-immune interface

The question of what causes complex neurological diseases such as Alzheimer's or multiple sclerosis continues to confound scientists and doctors, with the unknowns standing in the way of early diagnoses and effective treatments.

Medical xPress 17 October at 01.07 PM

Singling out distinct brain regions and mechanisms involved in our ability to pay attention

The human brain is a complex organ with over 80 billion neurons. But it can still trip up when it comes to multitasking. Trying to send an email at the same time as talking to someone can almost be enough to short-circuit our synapses, leaving us distracted and prone to making mistakes.

Medical xPress 17 October at 12.49 PM

Imaging study reveals microglia's crucial role in preventing axonal degeneration following spinal cord injury

A collaborative effort between engineers and biologists at the Hong Kong University of Science and Technology (HKUST) has uncovered a neuroprotective mechanism in spinal cord injury (SCI), shedding new light on therapeutic approaches to potentially benefit millions of patients worldwide.

Medical xPress 17 October at 11.20 AM

Neuroscientists discover a mechanism that can reactivate dormant neural stem cells

An international team of neuroscientists, led by Duke-NUS Medical School, have uncovered a mechanism that controls the reactivation of neural stem cells, which are crucial for repairing and regenerating brain cells.

Medical xPress 17 October at 09.49 AM

Controlling prosthetic hands more precisely with the power of thought

Researchers at the German Primate Center—Leibniz Institute for Primate Research in Göttingen have developed a novel training protocol for brain-computer interfaces in a study with rhesus monkeys. The method enables precise control of prosthetic hands using signals from the brain alone.

Medical xPress 16 October at 06.30 PM

Multiple sclerosis trial suggests medication and cognitive behavioral therapy can reduce fatigue

In a study of commonly used treatments for people with multiple sclerosis, both medical and behavioral interventions, and a combination of the two, resulted in meaningful improvements in fatigue, a University of Michigan-led study finds.

Medical xPress 16 October at 04.10 PM

Gut flora differs in patients with epilepsy and cognitive dysfunction

There is an imbalance in the gut flora of patients with epilepsy compared with healthy controls, according to a study published online Sept. 28 in the Journal of Health, Population and Nutrition.

Medical xPress 16 October at 03.18 PM

Putting pressure on mini-brains helps to model compression injuries

For nearly a decade, Brown University researcher Diane Hoffman-Kim and her laboratory team have made cortical spheroids, which are basically functional miniature brains. The three-dimensional cell cultures are versatile models that allow for the study of everything from brain injuries to stroke to glioblastoma. Most recently, Hoffman-Kim's team found a way to use the mini-brains to study the effec

Medical xPress 16 October at 02.45 PM

Brain imaging of neuromelanin may be key to understanding extensive substance use

has shown that this type of MRI signal was increased in regions of the midbrain in young adults ages 20 to 24 who had an extensive alcohol and drug use history.

Medical xPress 16 October at 02.43 PM

Challenging current understanding, study reveals rapid release of dopamine not needed for initiating movement

The chemical messenger dopamine is an essential catalyst that fuels activities and behaviors ranging from movement to cognition and learning. However, neuroscientists have long debated whether these functions rely on rapid bursts of dopamine or on the neurochemical's slower action.

Medical xPress 16 October at 02.00 PM

Researchers develop a device called e-Flower that records neuronal activity with electronic petals

3D clusters of brain cells are emerging as essential tools for understanding neural networks and studying neurological diseases in the lab. EPFL's e-Flower, a flower-shaped 3D microelectrode array (MEA), allows researchers to monitor the electrical activity of these spheroids in a way that was previously impossible.

Medical xPress 16 October at 12.45 PM

A new brain-based measure of sleepiness may provide a diagnosis in just two minutes

At some point, many of us have experienced the post-lunch sleepy hour, struggling to stay alert mid-afternoon, and reaching for the water bottle to rehydrate a tired body.

Medical xPress 16 October at 11.28 AM

Study explores how traumatic brain injury may be linked to Alzheimer's disease

Each year, about 2.5 million people suffer from traumatic brain injuries (TBI), which often increases their risk of developing Alzheimer's disease later in life.

Medical xPress 16 October at 11.00 AM

People with aphantasia also have reduced brain activity in response to sounds, finds study

People with aphantasia—individuals who report experiencing no visual imagery at all—also showed reduced activation of the brain's visual cortex in response to sounds, according to a new study.

Medical xPress 16 October at 09.48 AM

For people with Parkinson's, moving is a mental challenge as well as a physical one

It's well known that Parkinson's disease can impair a person's ability to perform movements like grabbing a coffee cup, with one side of the body often more affected. But a recent study published in Brain and Cognition by University of Alberta researchers shows that the disease also affects how people perform movements mentally, something called motor imagery.

Medical xPress 16 October at 09.46 AM

Identifying focal cortical dysplasia lesion from magnetic resonance images

Epilepsy is a neurological condition marked by seizures. Focal cortical dysplasia (FCD) is a leading cause of drug-resistant epilepsy. Surgical removal of FCD lesions is the most effective treatment, which is heavily dependent on their precise localization and delineation.

Medical xPress 15 October at 04.33 PM

Active navigation and immersive technologies can strengthen memory and treat neurodegenerative diseases, finds study

Just like a time machine, episodic memory enables us to travel to the past in our minds and relive personal experiences with full clarity, as if we were going through them all over again. These can range from remembering where we left the car keys last night to the last time we saw a relative that we haven't seen in years. This ability to record daily experiences starts to deteriorate early in peo

Medical xPress 15 October at 03.39 PM

Study helps understand pain associated with viral infection

A study published in the journal Brain, Behavior, and Immunity reports the findings of a study by researchers based in Brazil, the United States and South Korea who set out to understand how viral infections cause pain and to contribute to the search for novel ways of relieving it.

Medical xPress 15 October at 12.50 PM

Music and dementia: Researchers are still making discoveries about how songs can help sufferers

Music is woven into the fabric of our everyday lives. Whether it's lifting our spirits, pushing us to run faster or soothing us to sleep, we can all recognize its power. So it's no wonder it is increasingly being used in medical treatment.

Medical xPress 15 October at 12.33 PM

Innovative tactile technology helps hearing-impaired individuals by enhancing external spatial positions and movement

A team of researchers from the Ivcher Institute for Brain, Cognition, and Technology (BCT Institute) at Reichman University (Herzliya, Israel) has identified a significant deficit in auditory spatial perception among hearing aid users and cochlear implant recipients and introduced an innovative multisensory solution that leads to notable improvements in this ability.

Medical xPress 15 October at 11.54 AM

Bursts of exercise boost cognitive function, neuroscientists find

Decades of exercise research data support the common view that steady workouts over the long haul produce not only physical benefits but also improved brain function. But what about single bursts of exercise? A team of scientists at UC Santa Barbara has taken a closer look.

Medical xPress 15 October at 11.49 AM

Dance experience detectable in spectators' brain activity

University of Helsinki researchers measured the brain activity of people watching a live dance performance in a real-world setting. They invited spectators with extensive experience of either dance or music as well as novices with no particular background in either of these areas.

Medical xPress 15 October at 11.46 AM

Neural circuitry for REM sleep identified, disorder cause explored

Researchers from University of Tsukuba have elucidated the neural circuit that induces rapid eye movement (REM) sleep, a stage during which we actively dream. They also discovered that abnormalities in the neurons constituting this circuit lead to REM sleep behavior disorder, a condition in which the body moves based on dreams during REM sleep.

Medical xPress 15 October at 11.25 AM

New study traces Alzheimer's 'pathology clock' at unprecedented cellular resolution

Researchers at the Allen Institute for Brain Science, UW Medicine, and Kaiser Permanente Washington Health Research Institute have created the most detailed picture yet of how Alzheimer's disease (AD) progresses at the cellular level.

Medical xPress 15 October at 10.15 AM

Sensory immunity study reveals how parasitic worms have found a way to evade the mammalian urge to scratch an itch

Ever had an itchy nose or, worse, an unreachable spot on your back that drives you mad? Now imagine an itch that refuses to go away, no matter how hard or long you scratch. That persistent itch, or pruritus, may actually be one of the skin's first lines of defense against harmful invaders, according to neuroimmunologist Juan Inclan-Rico of the University of Pennsylvania.

Medical xPress 15 October at 10.11 AM

Scientists reveal neural circuit linked to sexual behavior in female mice

Researchers at the University of Tsukuba investigated the neural mechanisms underlying the behavioral transition from the sexually receptive estrus stage to the non-receptive phase, as part of the hormone-dependent behavioral changes during the estrous cycle in female mice. Their study uncovered a neural circuit that causes a rapid decline in sexually receptive behavior at the end of the estrus pe

Medical xPress 14 October at 12.31 PM

PET imaging reveals link between synapses and social, communicative differences in autistic adults

New research published in Molecular Psychiatry looks at the differences in social interaction and communication observed in autistic and non-autistic adults, using positron emission tomography (PET), a type of brain imaging. In the study, PET was used to directly measure the connections between brain cells (synapses).

Medical xPress 14 October at 12.08 PM

Toxic protein may contribute to amyotrophic lateral sclerosis development

A toxic version of a certain protein may affect brain, spinal cord and skeletal muscle tissues differently, leading to the complex development and progression of amyotrophic lateral sclerosis (ALS), according to a new study by a team of researchers from Penn State College of Medicine.

Medical xPress 14 October at 11.54 AM

How do you remember how to ride a bike? Long-term memory research points to the cerebellum

Do you remember the name of your second-grade teacher or what you ate for lunch today? Those memories may be separated by decades, but both are considered long-term memories.

Medical xPress 14 October at 11.00 AM

Humans can distinguish odors with millisecond precision, study shows

When we inhale, airborne chemicals enter our nose, creating the "odor" we detect. These chemicals are then expelled when we exhale. Each breath lasts 3–5 seconds, which seems to limit how quickly we can perceive odors. Chemical changes that occur within a single breath appear to be combined into one odor. Because of this, our sense of smell, or olfaction, is often considered a slow sense.

Medical xPress 14 October at 10.08 AM

Vagus nerve stimulation enhances perceptual learning in mice, study suggests

Recent neuroscience studies have been investigating how the stimulation of some nerves, particularly the vagus nerve, using electrical pulses affects neural activity in the mammalian brain. The vagus nerve, the longest cranial nerve in the human body, is known to play a key role in the regulation of heart rate, digestion, stress and other physiological processes.

Medical xPress 12 October at 07.40 AM

Targeting hippocampal neurons to unlock existing Alzheimer's drugs

A team of researchers at Kobe Gakuin University in Japan have genetically engineered insulin-fused proteins capable of targeting hippocampal neurons. The innovative technique capitalizes on insulin's natural tendency to accumulate in the hippocampal neuronal tissue. This new approach could unlock existing treatments for neurodegenerative disorders such as Alzheimer's disease by allowing existing d

Medical xPress 11 October at 02.15 PM

Evidence builds for near infrared light treatment in traumatic brain injury

Birmingham scientists have shown light therapy delivered transcranially (through the skull) can aid tissue repair after mild traumatic brain injury (mTBI).

Medical xPress 11 October at 01.27 PM

Clinical trial finds multidisciplinary approach improves quality of life for movement disorder patients

A research team has published a randomized clinical trial demonstrating for the first time that a multidisciplinary approach integrating specific physiotherapy and cognitive-behavioral therapy is effective in improving the symptoms and physical aspects of the quality of life of patients with functional movement disorders.

Medical xPress 01 October at 07.30 AM

Neurons in mouse piriform cortex aid in recurrent circuit development, study finds

The activity of neurons in the mammalian brain is known to contribute to the development of the brain at the early stages of development. While past neuroscientific studies have gathered evidence supporting this notion, the extent to which early neuronal activity regulates the maturation of neural circuits has not yet been fully determined.

Medical xPress 01 October at 05.00 AM

Deep brain stimulation shows immediate improvement in arm and hand function post-brain injury, study finds

Deep brain stimulation may provide immediate improvement in arm and hand strength and function weakened by traumatic brain injury or stroke, University of Pittsburgh School of Medicine researchers report today in Nature Communications.

Medical xPress 30 September at 04.24 PM

Spinal cord organoids could unlock safer treatment for pregnant women with epilepsy

University of Queensland researchers have made a significant step towards enabling women with epilepsy safer access to a common and highly effective anti-seizure medication.

Medical xPress 30 September at 02.51 PM

New brain-mapping tool may be the 'START' of next-generation therapeutics

Scientists at the Salk Institute are unveiling a new brain-mapping neurotechnology called Single Transcriptome Assisted Rabies Tracing (START). The cutting-edge tool combines two advanced technologies—monosynaptic rabies virus tracing and single-cell transcriptomics—to map the brain's intricate neuronal connections with unparalleled precision.

Medical xPress 30 September at 12.55 PM

Lower attention ability in adolescence predicts substance use in later life

Lower attention ability in adolescence can predict cigarette and cannabis use in young adulthood, according to new research from Trinity College Dublin.

Medical xPress 30 September at 11.48 AM

Neanderthoids and space brains: Stem cell researcher pushes the boundaries of neuroscience

In an interview published in Brain Medicine, Dr. Alysson Muotri—Professor in the Department of Pediatrics and Cellular and Molecular Medicine at the UC San Diego School of Medicine and director of the Sanford Stem Cell Institute's Sanford Integrated Space Stem Cell Orbital Research Center—reveals the fascinating journey that led him to become a pioneer in human brain organoid research.

Medical xPress 30 September at 10.22 AM

Certain immune cells play an important role in the early stages of multiple sclerosis, twin study shows

Multiple sclerosis (MS) is a chronic inflammatory disease in which the immune system attacks the central nervous system. This impairs the transmission of signals between the brain and body and can lead to deficits in vision, motor control, sensation, and cognitive impairment. The causes of MS are still incompletely understood.

Medical xPress 30 September at 10.22 AM

Autophagy pathway in astrocytes raises possibility of Alzheimer's disease treatment

A research team has uncovered a new mechanism involving astrocytes for treating Alzheimer's disease (AD) and proposed a novel therapeutic target.

Medical xPress 30 September at 10.02 AM

How pronouns are processed in the memory-region of the human brain

A new study shows how individual brain cells in the hippocampus respond to pronouns. "This may help us unravel how we remember what we read," say the authors. Their research is published in the journal Science.

Medical xPress 28 September at 02.00 PM

Resiliency and concussion: Why do some athletes develop neurodegeneration and others don't?

Ontario's Minister of Sport, 71-year-old Neil Lumsden, recently announced his decision to donate his brain to the Concussion Legacy Foundation Canada to support research on brain injuries.

Medical xPress 27 September at 10.56 AM

Synaptic strength found regulate sleep quantity and quality

Sleep deprivation typically results in longer and deeper sleep, thereby maintaining overall sleep quantity and quality through homeostatic regulation. However, the specific mechanisms by which the brain monitors and controls sleep homeostasis remain unclear.

Medical xPress 26 September at 06.30 PM

Examining advances in endovascular therapy for stroke patients

Stroke related to large vessel occlusion (LVO) is a leading cause of disability and death worldwide. Endovascular therapy (minimally invasive procedures like catheterization done inside the blood vessels) has transformed the management of these patients.

Medical xPress 26 September at 06.00 PM

New research confirms link between perceived stress and psoriasis relapse

Innovative research has provided compelling evidence that perceived stress can directly trigger the relapse of psoriatic skin lesions. The study, presented at the European Academy of Dermatology and Venereology (EADV) Congress 2024, is the first to scientifically validate this connection in vivo.

Medical xPress 26 September at 05.00 PM

Anti-CD20 therapy shows no effect on disability progression in MS

For patients with primary progressive multiple sclerosis (PPMS), the time to confirmed disability progression (CDP) does not differ for those who are anti-CD20-treated and untreated, according to a study published online Sept. 25 in Neurology.

Medical xPress 26 September at 04.28 PM

Researchers uncover unexpected role of hippocampus in skilled movement control

Researchers at the University of Birmingham have uncovered a surprising role of the hippocampus—linking this part of the brain to the control of skilled actions such as handwriting, typing, and playing music.

Medical xPress 26 September at 04.05 PM

Right-side deep brain stimulation may preserve verbal fluency in Parkinson's patients

Deep brain stimulation is an effective treatment for motor symptoms in patients with movement disorders such as Parkinson's disease. While ultimately regarded as safe, DBS can yield noticeable declines in verbal fluency, which affects how fast words can be retrieved and generated.

Medical xPress 26 September at 02.45 PM

How are stretch reflexes modulated during voluntary movement?

How did the bodies of animals, including ours, become such fine-tuned movement machines? How vertebrates coordinate the eternal tug-o-war between involuntary reflexes and seamless voluntary movements is a mystery that Francisco Valero-Cuevas' Lab in USC Alfred E. Mann Department of Biomedical Engineering, set out to understand.

Medical xPress 26 September at 11.47 AM

Cognitive deficits from meth and PCP use are generated by a common neurotransmitter switch, neurobiologists show

The effects of sustained drug abuse can manifest in many ways. Loss of memory and reduced cognitive functions are some of the effects that can persist for years. Neurobiologists at the University of California San Diego have now identified a mechanism in the brain that generates drug-induced cognitive impairments.

Medical xPress 25 September at 11.44 AM

Air pollution exposure during early life can have lasting effects on the brain's white matter

Exposure to certain pollutants, like fine particles (PM2.5) and nitrogen oxides (NOx), during pregnancy and childhood is associated with differences in the microstructure of the brain's white matter, and some of these effects persist throughout adolescence.

Medical xPress 25 September at 11.33 AM

Baby chicks study sheds light on the brain's innate ability to recognize faces

Is the brain of animals and humans naturally wired to recognize faces? Is there an innate biological mechanism that explains this ability? Questions like these have been fueling a debate that involves, on the opposite side, those who believe that face recognition is a skill that can be learned through experience and exposure to faces and those who believe that it is innately predisposed in the bra

Medical xPress 25 September at 11.00 AM

Encoding human experience: Study reveals how brain cells compute the flow of time

A study led by UCLA Health has begun to unravel one of the fundamental mysteries in neuroscience—how the human brain encodes and makes sense of the flow of time and experiences.

Medical xPress 25 September at 08.45 AM

Guidelines provided for diagnosis of pediatric, late-onset multiple sclerosis

In a clinical review conducted by an international committee of multiple sclerosis (MS) experts in pediatric and adult MS and published online Sept. 16 in JAMA Neurology, consensus guidance is provided for diagnosing pediatric and late-onset MS.

Medical xPress 24 September at 03.39 PM

Soccer headers briefly slow brain activity, study shows

Using the head to pass, shoot or clear a ball is routine in soccer and does not typically lead to concussions. However, a new study from the University of British Columbia reveals that even mild heading has some measurable effects on the brain.

Medical xPress 24 September at 02.00 PM

Randomized trial investigates the neurochemical underpinnings of the placebo effect

New findings argue against a direct causal role for dopamine during the experience of a treatment effect in the establishment of positive treatment expectations and placebo analgesia in healthy volunteers, according to a study published September 24 in the open-access journal PLOS Biology by Ulrike Bingel from University Hospital Essen, Germany, and colleagues.

Medical xPress 24 September at 11.43 AM

A risky business: Why do some Parkinson's disease treatments affect decision making?

Parkinson's disease (PD), also known simply as Parkinson's, is a disorder of the nervous system that affects millions of people worldwide. The nerve cell damage associated with Parkinson's can cause tremors, slowed movements, problems with balance, and many other symptoms which worsen gradually over time.

Medical xPress 24 September at 10.30 AM

60-second heartbeat recordings offer window into autonomic health after severe brain trauma

For the over 1 million Americans who survive severe traumatic brain injuries each year, the road to recovery is often long and challenging. Disruption of the autonomic nervous system, which controls involuntary functions like heart rate, is a common yet poorly understood consequence of TBI.

Medical xPress 23 September at 08.00 PM

Inexpensive drug can prevent cerebral palsy in premature babies, new review says

Giving women at risk of premature birth a simple magnesium sulfate infusion (or 'drip') can prevent their babies from developing cerebral palsy, a recent review has confirmed. The drug itself costs approximately £5 (~$6.50) per dose in England, and requires hospital admission with experienced staff to administer the drug safely to the mother.

Medical xPress 23 September at 04.03 PM

Study reveals link between microbiome and aggression in mice

A new study led by Prof. Omry Koren and graduate student Atara Uzan-Yuzari from the Azrieli Faculty of Medicine at Bar-Ilan University has unveiled significant evidence connecting the gut microbiome to aggressive behavior in mice.

Medical xPress 23 September at 03.00 PM

New models quantify how 'nociception' could help improve management of surgical pain

The degree to which a surgical patient's subconscious processing of pain, or "nociception," is properly managed by their anesthesiologist will directly affect the degree of post-operative drug side effects they'll experience and the need for further pain management they'll require. But pain is a subjective feeling to measure, even when patients are awake, much less when they are unconscious.

Medical xPress 23 September at 11.00 AM

Study of former NFL players finds 1 in 3 believe they have chronic traumatic encephalopathy

A new study of nearly 2,000 former NFL players shows that about one-third believe they have chronic traumatic encephalopathy (CTE), a neuropathological condition linked to repeated head trauma that can only be diagnosed through a post-mortem exam of the brain.

Medical xPress 23 September at 10.28 AM

New study reveals how the brain integrates pain prediction and stimuli

A study has uncovered new insights into how the brain processes and integrates pain information. The research goes beyond identifying brain areas that respond to pain, revealing the mechanisms behind the brain's integration of pain-related information. Using functional magnetic resonance imaging (fMRI), they formalized how the brain combines pain expectations with the actual intensity of painful s

Medical xPress 20 September at 02.30 PM

Study reveals no link between high-density lipoprotein cholesterol and movement disorders

There is no correlation between high-density lipoprotein cholesterol (HDL-C) levels and a patient's risk for developing movement disorders while taking an antipsychotic, according to a study published in the April-June issue of Innovations in Clinical Neuroscience.

Medical xPress 20 September at 11.50 AM

Revealing the neuronal pathways involved in adaptive decision-making in primates

In a constantly changing world, animals, including humans, need to quickly adapt to their environment and learn to make decisions that lead to the best possible outcomes. In most cases, this type of learning happens through direct experience; when faced with a choice between two particular items or events, animals resort to previous experience involving the same options.

Medical xPress 20 September at 11.12 AM

Harnessing the power of eye tracking in brain-machine interfaces

In recent years, eye tracking technology has advanced rapidly, suggesting that our eyes deserve greater attention within the evolving brain-machine interface (BMI) landscape. One particularly intriguing area is the connection between eye movements and internal brain states—a link that is becoming increasingly difficult to ignore.

Medical xPress 20 September at 09.11 AM

No concussion? A blow to the head can still be dangerous, says study

In a football game, an athlete takes a bad hit to the head. He doesn't feel dazed or confused: he seems to have escaped a concussion. However, despite the lack of concussive symptoms, the impact has disrupted the chemical balance in his brain, and this imbalance has consequences.

Medical xPress 20 September at 05.00 AM

Study finds brain intervenes in walking only after discoordination exceeds a certain threshold

Walking is an activity that is often taken for granted. Most people usually think they can multitask by "walking and chewing gum" simultaneously with hardly any taxation of their mental effort. Indeed, each leg can move rhythmically independently of the other, controlled by its side of the spinal cord.

Medical xPress 19 September at 02.50 PM

'Exercise is medicine' for people with Parkinson's

Exercise, whether moderate- or high-intensity, can help ease Parkinson's symptoms, including fatigue, new research shows.

Medical xPress 19 September at 10.00 AM

Adhesive cortical device enables artifact-free neuromodulation for closed-loop epilepsy treatment

A team of researchers has developed a soft cortical device that could revolutionize the treatment of epilepsy and other neurological disorders.

Medical xPress 19 September at 09.16 AM

Teen brains are wired to take risks, but that can be a good thing, says expert

From movies to TV and parental anecdotes, teenagers are often characterized as risk-taking and impulsive with poor decision-making skills.

Medical xPress 19 September at 05.00 AM

Brain region that controls eye movements found to also play important role in higher cognitive functions

The superior colliculus is a midbrain region that is traditionally thought to help animals orient themselves toward important locations in space, like directing their eyes and head toward a bright flash of light. New research from the University of Chicago shows that this part of the brain also plays a role in complex cognitive tasks like visual categorization and decision making.

Medical xPress 18 September at 08.10 PM

Not just a normal part of aging: Dizziness in older adults is linked to higher risk of future falls

The first meta-analysis of its kind has shown a conclusive link between older adults experiencing spells of dizziness and a dramatically elevated risk of falling.

Medical xPress 18 September at 06.30 PM

Analysis suggests air pollution, high temperatures and metabolic risk factors drive global increases in stroke

Although stroke is highly preventable and treatable, there has been a rapid rise in the global stroke burden between 1990 and 2021, due to both population growth and the rise of aging populations worldwide, as well as a substantial increase in people's exposure to environmental and behavioral risk factors.

Medical xPress 18 September at 04.50 PM

Acute myocardial infarction increased in people with epilepsy between 2008 and 2017, finds study

The prevalence of acute myocardial infarction (AMI) in people with epilepsy increased from 2008 to 2017, according to a study published online Aug. 4 in Frontiers in Neurology.

Medical xPress 18 September at 04.11 PM

Exploring the effect of low sodium concentrations on brain microglial cells

Low serum sodium concentrations in the blood are called hyponatremia, a prevalent clinical electrolyte disorder. In contrast to acute hyponatremia, chronic hyponatremia has been previously considered asymptomatic because the brain can successfully adapt to hyponatremia. If not treated, chronic hyponatremia can lead to complications such as fractures, falls, memory impairment, and other mental issu

Medical xPress 18 September at 04.04 PM

Researchers reveal neural mechanism of impaired tactile processing in autism-associated Shank3 mutant dogs

Mutations in SHANK3, a gene encoding a synaptic scaffolding protein, have been repeatedly identified in individuals with autism spectrum disorder (ASD).

Medical xPress 18 September at 03.40 PM

Erenumab effective for nonopioid medication overuse headache in chronic migraine

Monthly use of erenumab injections (140 mg) is safe and effective in achieving medication overuse headache (MOH) remission in patients with nonopioid chronic migraine (CM) and MOH, according to a study published online Sept. 16 in JAMA Neurology.

Medical xPress 18 September at 03.11 PM

New tool reveals details of the microscopic brain structures between neurons

Between and around the billions of neurons in the human brain is an equally vital scaffold, the extracellular matrix (ECM). An interlinked net of proteins and sugars that surrounds brain cells, the ECM is more than simple structural support; changes in the ECM can regulate complex brain functions including memory, learning, and behavior. But studies of the brain's ECM have been limited by the lack

Medical xPress 18 September at 12.57 PM

Preparing for widespread use of biomarkers to diagnose Alzheimer's disease

For years, many people with Alzheimer's disease have been diagnosed clinically and confirmed at autopsy. Now Alzheimer's disease pathology can be identified with relatively high accuracy via a blood test that has the potential for widespread use in practice.

Medical xPress 18 September at 11.00 AM

First academic study on slap fighting highlights risks to participants' neurological health

University of Pittsburgh School of Medicine experts analyzed visible signs of concussion in individuals participating in professional slap fighting competitions and reported the results in a paper published in JAMA Surgery.

Medical xPress 18 September at 10.32 AM

What numbers do you see? A new bistable perceptual phenomenon on symbolic numbers

Perceptual recognition of numerical characters, like Arabic numerals, is indispensable for our daily activities in modern society. Studying the perceptual and neural mechanisms that endow us with the ability to understand those characters is an important scientific topic.

Medical xPress 18 September at 05.00 AM

Understanding changes in pre-clinical Alzheimer's disease: Study finds two proteins impact brain activity differently

Amyloid-beta and tau proteins have long been associated with Alzheimer's disease. The pathological buildup of these proteins leads to cognitive decline in people with the disease. How it does that, though, remains poorly understood.

Medical xPress 17 September at 06.10 PM

Early treatment significantly reduces long-term disability in children with multiple sclerosis, new study finds

New research presented today at European Committee for Treatment and Research in Multiple Sclerosis 2024 reveals that initiating monoclonal antibody therapy during childhood, rather than delaying treatment until early adulthood, significantly reduces long-term disability in multiple sclerosis (MS) patients. The work is published in Sclerosis.

Medical xPress 17 September at 04.10 PM

Brain vasculature changes important for predicting cognitive impairment

University of Oklahoma researchers have recently published a study showing that several measurements of the brain, including blood flow and the brain's ability to compensate for the lack of it, are better predictors of mild cognitive impairment than risk factors like hypertension and high cholesterol.

Medical xPress 17 September at 01.09 PM

Q&A: Out with the old, in with the new—the science behind memory clutter and aging

Ever feel like those catchy song lyrics or random pieces of trivia won't leave your head, and it's affecting your memory? Boston University associate professor of psychological & brain sciences Dr. Rob Reinhart, along with his postdoctoral associate, Dr. Wen Wen, dive into this issue in their new PLOS Biology study. Together with their research collaborators, they explore how mental clutter—the st

Medical xPress 17 September at 11.56 AM

Repetitive head injuries may cause degenerative brain disease CTE, but causation is not yet established

Concerns about the long-term impacts of concussion and head injury have become prominent in recent years, particularly among participants and stakeholders of contact and collision sports.

Medical xPress 17 September at 11.46 AM

Study shows the brain divides a meal into different phases

The process of food intake appears to be organized at the cellular level like a relay race: during eating, the baton is passed between different teams of neurons until we have consumed the appropriate amount of energy. This is the conclusion of a recent study by researchers at the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU).

Medical xPress 17 September at 10.19 AM

Researchers develop new screening tool to help stroke survivors

University of Queensland researchers have developed a fast cognitive screening tool that can detect often-missed rehabilitation needs for people who have experienced a stroke.

Medical xPress 16 September at 04.36 PM

Brain implant lets man control Amazon's Alexa with thought

A patient with a degenerative disease was able to command Amazon's Alexa digital assistant with his mind, the company behind the technological innovation announced Monday, letting him stream shows and control devices with only his thoughts.

Medical xPress 16 September at 04.30 PM

Research suggests neurons protect and preserve certain information through a dedicated zone of stable synapses

One of the brain's most celebrated qualities is its adaptability. Changes to neural circuits, whose connections are continually adjusted as we experience and interact with the world, are key to how we learn. But to keep knowledge and memories intact, some parts of the circuitry must be resistant to this constant change.

Medical xPress 16 September at 02.21 PM

Navigating space: Dual maps discovered in the brain

In the brain's secondary motor cortex, researchers have discovered two distinct maps that play a crucial role in spatial planning and navigation. The research, led by Dr. Jeffrey Erlich, Group Leader at the Sainsbury Wellcome Centre at UCL, provides a new approach to studying spatial planning in rodents, and could have implications for understanding neurological conditions that affect spatial atte

Medical xPress 16 September at 01.42 PM

Questioning the evidence for repetitive head impacts and chronic traumatic encephalopathy

A new study by Dr. Lauren Fortington from Edith Cowan University (ECU) in Perth, Australia, questions the existing evidence in relation to a novel condition termed chronic traumatic encephalopathy neuropathological change (CTE-NC).

Medical xPress 16 September at 12.49 PM

Epilepsy surgery found to reverse cognitive decline in children

There is a significant improvement in the cognition of children who have undergone brain surgery for epilepsy, finds a new study by UCL researchers.

Medical xPress 16 September at 11.38 AM

Heart healthy indicators and behaviors in adolescents linked to better cognitive function

Cardiovascular health behaviors and overall cardiovascular health were directly associated with adolescent brain development and cognitive function, according to UTHealth Houston research published recently in the journal Mental Health and Physical Activity.

Medical xPress 16 September at 11.00 AM

New study reveals changes in the brain throughout pregnancy

Pregnancy is a transformative time in a person's life where the body undergoes rapid physiological adaptations to prepare for motherhood—that we all know. What has remained something of a mystery is what the sweeping hormonal shifts brought on by pregnancy are doing to the brain. Researchers in Professor Emily Jacobs' lab at UC Santa Barbara have shed light on this understudied area with the first

Medical xPress 16 September at 10.57 AM

Innovative technology may enable early diagnosis of Parkinson's disease

Researchers at Tel Aviv University cooperated with three major Israeli medical centers to develop a new method for detecting protein aggregation in cells—a hallmark of Parkinson's disease. The technology can enable diagnosis up to 20 years before the first motor symptoms appear, facilitating treatment or even prevention of the severe disease which is currently incurable.

Medical xPress 16 September at 10.56 AM

Study reveals competition-integration mechanism of space-time encoding in hippocampal neurons

Recently, a research team reported a competition-integration mechanism of space-time encoding in individual hippocampal neurons. This discovery provides an essential neural basis for understanding episodic memory representation within spatiotemporal contexts.

Medical xPress 16 September at 10.05 AM

Study shows people think in many dimensions at a time

Traditionally, the dominant view in research has been that a central goal of human perception is to recognize objects and assign them to different categories—for example, this observed object is a dog and dogs belong to the category of animals.

Medical xPress 16 September at 09.50 AM

The brain's state of attention is shaped by a handful of neurons, study shows

What enables the brain to go from intense concentration to a heightened state of alertness? A study carried out by neuroscientists at the University of Geneva (UNIGE), in collaboration with ETH Zurich, shows that a brain region called locus coeruleus (LC) and the neurotransmitter noradrenaline act as conductors, reorganizing brain functions according to the mental demands of the moment.

Medical xPress 16 September at 05.00 AM

Scientists discover key features of language sites that could help preserve function after brain surgery

When surgeons perform brain surgery on people with brain tumors or epilepsy, they need to remove the tumor or abnormal tissue while preserving parts of the brain that control language and movement.

Medical xPress 13 September at 01.12 PM

Scientists call for ethics guidance in portable neuroimaging development

Imagine gathering brain data in classrooms as students take a test or traveling to remote communities across the globe to study brain structure. Such possibilities are becoming more realistic as smaller, cheaper and more portable neuroimaging technologies allow researchers to acquire brain data in the field in real-world conditions.

Medical xPress 13 September at 11.00 AM

New therapy that targets and destroys tau tangles: A promising Alzheimer's disease treatment

Scientists have developed new potential therapies that selectively remove aggregated tau proteins, which are associated with Alzheimer's disease, and improve symptoms of neurodegeneration in mice.

Medical xPress 13 September at 10.11 AM

Swallowing triggers a release of serotonin, research reveals

Researchers at the University of Bonn and the University of Cambridge have identified an important control circuit involved in the eating process. The study has revealed that fly larvae have special sensors, or receptors, in their esophagus that are triggered as soon as the animal swallows something. If the larva has swallowed food, they tell the brain to release serotonin. This messenger substanc

Medical xPress 12 September at 04.38 PM

Mouse study finds sex-based differences in how brains handle threats

A new study has uncovered significant differences in how male and female mice process threats, even as they exhibit similar behavioral responses.

Medical xPress 12 September at 03.20 PM

A new biomarker makes it easier to distinguish between Alzheimer's and primary tauopathy

Patients regularly show up at university hospitals with diseases so rare and specific as to be scarcely known to physicians in private practice. Primary 4-repeat tauopathies are a good example. These are diseases which are primarily associated with movement disorders, but with symptoms that can often resemble those of Alzheimer's disease, making precise diagnosis difficult.

Medical xPress 12 September at 09.10 AM

Study reveals how, when and where non-invasive brain stimulation influences neuronal activity and cognition

Brain stimulation using electrodes placed on the head has a great potential to be used in clinical practice to treat depression, anxiety and even addiction. Yet despite its widespread use in clinics and online availability for home use to improve mood and performance in various tasks, it is not clear how the therapy actually works to exert its modulatory effects on various cognitive functions.

Medical xPress 12 September at 08.15 AM

Decade of silence: Science behind James Earl Jones' life with stuttering

James Earl Jones, the iconic voice of Darth Vader, has died. Creative collaborators and famous fans alike, from Mark Hamill to Denzel Washington, have been coming forward to publicly mourn the late actor.

Medical xPress 11 September at 04.23 PM

Study finds brain waves can be manipulated during REM sleep

Brain waves can be manipulated while in rapid eye movement (REM) sleep, a sleep stage associated with memory and cognition, a new study from the University of Surrey finds. Novel technology, using sound stimulation, allows scientists to speed up brain activity which becomes slower in patients with dementia during this sleep stage.

Medical xPress 11 September at 04.00 PM

Can having a stroke change your sleep?

People who have had a stroke may be more likely to sleep too much or too little compared to those without prior stroke, according to a study published in the September 11, 2024, online issue of Neurology. The study does not prove that stroke causes abnormal sleep; it only shows an association.

Medical xPress 11 September at 11.55 AM

Researchers clarify the function of highly specialized nerve cells in memory

Specialized nerve cells in the temporal lobe react highly selectively to images and names of a single person or specific objects. Researchers at the University Hospital Bonn (UKB) and the University of Bonn have provided direct evidence for the first time that the so-called concept neurons are indeed the building blocks of our memory for experiences. Their results have now been published in Nature

Medical xPress 11 September at 11.02 AM

New research provides insights into how the brain regenerates lost myelin

The neurons of the brain are protected by an insulating layer called myelin. In certain diseases like multiple sclerosis, this protective layer is damaged and lost, leading to death of neurons and disability. New research published in The FEBS Journal reveals the importance of a protein called C1QL1 for promoting the replacement of the specialized cells that produce myelin.

Medical xPress 11 September at 11.00 AM

Combining the power of AI and the connectome to predict brain cell activity

With maps of the connections between neurons and artificial intelligence methods, researchers can now do what they never thought possible: predict the activity of individual neurons without making a single measurement in a living brain.

Medical xPress 11 September at 11.00 AM

Neuroscientists map how the brain transforms sensation into action

Neuroscientists have revealed how sensory input is transformed into motor action across multiple brain regions in mice. The research, conducted at the Sainsbury Wellcome Center at UCL, shows that decision-making is a global process across the brain that is coordinated by learning. The findings could aid artificial intelligence research by providing insights into how to design more distributed neur

Medical xPress 11 September at 10.49 AM

How human and dog interactions affect the brain

During social interactions, the activity of the brain's neurons becomes synchronized between the individuals involved. New research published in Advanced Science reveals that such synchronization occurs between humans and dogs, with mutual gazing causing synchronization in the brain's frontal region and petting causing synchronization in the parietal region. Both regions are associated with attent

Medical xPress 11 September at 10.49 AM

Exploring the frontiers of synaptic research with genetically encoded fluorescent tools

A review highlighting recent advances in genetically encoded fluorescent tools for labeling and selectively manipulating synapses has been published in Nature Reviews Neuroscience.

Medical xPress 11 September at 10.31 AM

Harnessing the power of placebo for pain relief: Study investigates neural circuits linked to effect

Placebos are inert treatments, generally not expected to impact biological pathways or improve a person's physical health. But time and again, some patients report that they feel better after taking a placebo. Increasingly, doctors and scientists are recognizing that rather than dismissing placebos as mere trickery, they may be able to help patients by harnessing their power.

Medical xPress 11 September at 10.09 AM

Study suggests that attention networks support changes in cortical organization and cognition during childhood

Past neuroscience studies have consistently highlighted the profound changes that the human brain undergoes throughout childhood and adolescence. These efforts have uncovered various stages of development, during which the brain's organization evolves to support increasingly complex cognitive functions, gradually shifting from a focus on somatosensory/motor and visual processing to more advanced m

Medical xPress 11 September at 06.50 AM

Hippocampal study unveils distinct protein machineries for calcium channel clustering and vesicle priming

In neuroscience, the term 'active zone' is used to refer to a specialized area in the presynaptic membrane of synapses (i.e., the connections via which neurons transmit electric nerve signals to each other or to other cells). The active zone is the site where neurotransmitters are released at synapses, thus it plays a central role in neuron-neuron communication.

Medical xPress 10 September at 07.10 PM

Wearable brain imaging device shines a light on how babies respond in real-world situations

A new technology which uses harmless light waves to measure activity in babies' brains has provided the most complete picture to date of brain functions like hearing, vision and cognitive processing outside a conventional, restrictive brain scanner, in a new study led by researchers at UCL and Birkbeck.

Medical xPress 10 September at 02.50 PM

Hallucinations from flickering lights: What happens in our brain?

A new study from the Netherlands Institute for Neuroscience shows how flickering light can cause hallucinations in our brain: it produces "standing waves" of brain activity.

Medical xPress 10 September at 02.48 PM

AI reveals new insights into human brain activity

In a pioneering study, Dr. Patrick Krauss and Dr. Achim Schilling from the Cognitive Computational Neuroscience Group at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have used artificial intelligence to gain major insights into how our brains work, which may substantially change our understanding of human thought processes and emotions.

Medical xPress 10 September at 10.54 AM

AI algorithm can identify brain patterns related to specific behavior

Maryam Shanechi, the Sawchuk Chair in Electrical and Computer Engineering and founding director of the USC Center for Neurotechnology, and her team have developed a new AI algorithm that can separate brain patterns related to a particular behavior. This work, which can improve brain-computer interfaces and discover new brain patterns, has been published in the journal Nature Neuroscience.

Medical xPress 10 September at 10.29 AM

Pressure sensing by muscles provides a promising new target for treatments

A new study from Umeå University, Sweden, shows that the body's muscles sense mechanical pressure. This new discovery has important implications for movement neuroscience and may improve the design of training and rehabilitation to relieve stiff muscles. The work is published in Cell Reports.

Medical xPress 09 September at 03.46 PM

Advanced fMRI techniques reveal the brain's dynamic architecture

Researchers have developed an innovative approach to studying brain connections using functional magnetic resonance imaging (fMRI). Recently published in Cell Systems, this work introduces a new way of understanding brain architecture through dynamic functional networks, challenging the traditional static approach.

Medical xPress 09 September at 03.14 PM

Designing a normative neuroimaging library to support diagnosis of traumatic brain injury

With recent advances in neuroimaging, moving from qualitative to quantitative outputs, an understanding is needed of what normal data look like to be able to apply these advances to diagnosis and outcomes prediction in traumatic brain injury (TBI).

Medical xPress 09 September at 03.00 PM

COVID-19 lockdowns prematurely aged teenage brains, study finds

During the COVID-19 pandemic, governments around the world implemented restrictive measures—such as stay-at-home orders and school closures—to mitigate the spread of the respiratory illness. It's been well-documented that this disruption of daily routines and social activities had a negative impact on the mental health of adolescents.

Medical xPress 09 September at 02.40 PM

Closed-eye imaging can track wakefulness, awareness and pain in unresponsive conditions

A new technological development allows researchers, for the first time, to monitor changes in pupil size and gaze direction behind closed eyes using touchless infrared imaging. In the future, tracking changes in pupil size will help identify a state of wakefulness in sleep, anesthesia, and intensive care and help track the depth of sedation, detect seizures and nightmares, and recognize pain or re

Medical xPress 09 September at 02.33 PM

Integrating MRI and OCT for new insights into brain microstructure

In a new study, researchers compared the orientations of nerve fibers in a human brainstem using two advanced imaging techniques: diffusion magnetic resonance imaging (dMRI)-based tractography and polarization sensitive optical coherence tomography (PS-OCT). The findings could aid in combining these techniques, which each offer unique advantages, to advance our understanding of the brain's microst

Medical xPress 06 September at 01.08 PM

Noninvasive focused ultrasound show potential for combating chronic pain

Chronic pain impacts an estimated 20% of the world population and persists as a frustrating symptom for innumerable health issues, from sickle-cell disease to arthritis.

Medical xPress 06 September at 12.36 PM

Study uncovers critical biomarker differences, advocates for more inclusive Alzheimer's diagnostics

The Emory Goizueta Brain Health Institute (GBHI) has prioritized involving African American volunteers in its research, working to create more inclusive tools for diagnosing Alzheimer's disease and related disorders. Today, about half of the Institute's new volunteers are African American.

Medical xPress 06 September at 12.24 PM

Research team successfully maps the brain-spinal cord connection in humans

The brain and spinal cord are the central pillars of the human central nervous system (CNS), orchestrating everything from movement to sensation. Despite significant advances in neuroscience, our understanding of how these two crucial components of the CNS interact remains limited.

Medical xPress 06 September at 12.00 AM

Excessive light pollution may increase risk of Alzheimer's, especially in younger people

In some places around the globe, the lights never go off. Streetlights, roadway lighting, and illuminated signs can deter crime, make roads safer, and enhance landscaping. Undisrupted light, however, comes with ecological, behavioral, and health consequences.

Medical xPress 05 September at 05.03 PM

Researchers develop rapid test to detect dopamine

Dopamine, a neurotransmitter in our brains, not only regulates our emotions but also serves as a biomarker for the screening of certain cancers and other neurological conditions.

Medical xPress 05 September at 03.49 PM

AI-driven tool could improve brain pressure monitoring in intensive care patients

Researchers at the Icahn School of Medicine at Mount Sinai have developed a noninvasive technique that could dramatically improve the way doctors monitor intracranial hypertension, a condition where increased pressure in the brain can lead to severe outcomes like strokes and hemorrhages.

Medical xPress 05 September at 03.34 PM

New study reveals the signals in your brain that initiate spontaneous actions

A new study published in Nature Communications examines how the brain initiates spontaneous actions. In addition to demonstrating how spontaneous action emerges without environmental input, this research has implications for the origins of slow ramping of neural activity before movement onset—a commonly-observed but poorly understood phenomenon.

Medical xPress 05 September at 03.27 PM

Anesthesia study unlocks clues about the nature of consciousness

For decades, one of the most fundamental and vexing questions in neuroscience has been: What is the physical basis of consciousness in the brain? Most researchers favor classical models, based on classical physics, while a minority have argued that consciousness must be quantum in nature, and that its brain basis is a collective quantum vibration of "microtubule" proteins inside neurons.

Medical xPress 05 September at 02.46 PM

Mouse study reveals new central action target of weight loss drug GLP-1R agonists

A research group led by Prof. Zhu Yingjie from the Shenzhen Institute of Advanced Technology (SIAT) of the Chinese Academy of Sciences has revealed the essential role of lateral septum (LS) neurons in mediating anorectic and weight-lowering effects of the anti-obesity drug, liraglutide, in mice. The study was published in Journal of Clinical Investigation.

Medical xPress 05 September at 01.49 PM

Robots help guide self-managed rehabilitation for stroke and brain injury survivors

Robotic 'coaches' aiding upper limb rehabilitation for stroke and brain injury survivors have been successfully trialed in Vienna, Austria. This international pilot study was led by researchers from Heriot-Watt University's National Robotarium.

Medical xPress 05 September at 11.22 AM

Nature vs. nurture: Depression amplified in difficult environments for youth with a larger left hippocampus, study finds

While the mental health crisis has touched the lives of young people across a broad age spectrum, new Northwestern University research has found that the presence of difficult social environments and the absence of positive social environments predicted greater increases in depressive symptoms in youth, aged 9–11, over a two-year period.

Medical xPress 05 September at 11.03 AM

Discovery sheds light on a key step in nervous system control over gut motility

Wu Tsai Neurosciences Institute researchers have uncovered a previously unknown pattern of intestinal contractions in developing mouse embryos. The new findings shed light on the earliest development of the nervous system that controls our digestive tract and could have implications for understanding and treating gastrointestinal (GI) disorders in premature infants.

Medical xPress 05 September at 09.42 AM

Researchers discover new insights into the neurobiological origins of ataxia

A new study by the University of Turku and Turku University Hospital in Finland investigated the origin of ataxia in the brain of patients with stroke. A significant number of the stroke lesions in the patients were located outside the cerebellum. The study is published in the journal Neurology.

Medical xPress 05 September at 09.20 AM

Study looks at hearing, balance in adolescent Meniere disease

Adolescent Meniere disease (MD) has a higher pure-tone average threshold, lower speech discrimination score, and lower otoacoustic emission pass rates than recurrent vertigo of childhood (RVC), according to a study published in the August issue of Laryngoscope: Investigative Otolaryngology.

Medical xPress 04 September at 04.47 PM

Microglial responses to hypernatremia: New insights into brain health

Microglia are the brain's immune cells known to play a vital role in maintaining neural function and responding to potential threats. However, when the brain is subjected to hyperosmotic stress—a condition characterized by elevated extracellular sodium levels, the microglial response can become exaggerated, leading to potentially harmful effects. Understanding the mechanisms behind this heightened

Medical xPress 04 September at 03.22 PM

Anesthesia overrides carbon dioxide in regulating cerebrospinal fluid flow, finds study

A recent study on the effects of commonly used anesthetic and sedative drugs on cerebrospinal fluid flow and volume has uncovered significant findings regarding their impact on the brain's vital glymphatic system. These findings may affect neuroanesthesia practices.

Medical xPress 04 September at 11.00 AM

Engineered immune cell therapy protects damaged neurons, mouse study shows

Severe injuries to the spinal cord damage nerve cells, disrupt communication with the brain and rest of the body, and lead to lasting disabilities for millions of people worldwide. The injury itself accounts for only a fraction of the overall damage inflicted on the spinal cord, tissue that runs from the brain stem to the lower back. Most of the damage is due to subsequent degenerative processes a

Medical xPress 04 September at 10.45 AM

Neurological symptoms are common—and similar—in severely ill children with different conditions, finds study

In low and middle-income countries (LMICs), severely ill children often present neurological manifestations prior to death, which are linked to a variety of diseases that can be treated. Lumbar punctures, which can help to identify the causes of these neurological symptoms and prevent deaths, are seldom used. These are the main conclusions of a study led by the Barcelona Institute for Global Healt

Medical xPress 04 September at 08.31 AM

Flexible tentacle electrodes precisely record brain activity

Neurostimulators, also known as brain pacemakers, send electrical impulses to specific areas of the brain via special electrodes. It is estimated that some 200,000 people worldwide are now benefiting from this technology, including those who suffer from Parkinson's disease or from pathological muscle spasms.

Medical xPress 04 September at 08.28 AM

Optimizing electrical stimulation therapies with machine learning

Like a pacemaker for the heart, nerve stimulation devices are implanted to send pulses of electricity to evoke activity in nerves throughout the body. These electrical stimulation devices have been used to treat and control many disorders, including heart disease, epilepsy, depression, and rheumatoid arthritis.

Medical xPress 04 September at 01.00 AM

Impact of concussion while playing sports is different in those who don't play professionally, study suggests

Sports-related concussions (SRC) may not be associated with long-term cognitive risks for non-professional athletes, a study led by a UNSW medical researcher suggests. In fact, study participants who had experienced an SRC had better cognitive performance in some areas than those who had never suffered a concussion, pointing to potential protective effects of sports participation.

Medical xPress 03 September at 04.41 PM

Decoding the aging brain: Changes in gene activity detected in different cell types

Aging is a complex biological process that also takes place in the brain. Researchers have discovered that the gene activity changes in different cell types in the brain. A certain type of neuron is particularly affected. In the long term, the findings could provide starting points for slowing down the aging process and delaying neurodegenerative diseases such as Alzheimer's-type dementia.

Medical xPress 03 September at 03.09 PM

Scientists publish protocol for combining aerobic exercise and cognitive rehabilitation in multiple sclerosis

Researchers at Kessler Foundation have published a new clinical protocol examining the combination of aerobic exercise and cognitive rehabilitation to improve learning and memory in individuals with multiple sclerosis (MS) who have mobility disability.

Medical xPress 02 September at 12.00 PM

Study reveals how neighboring synapses coordinate their response to plasticity signals

Researchers from Bonn and Japan have clarified how neighboring synapses coordinate their response to plasticity signals: Nerve cells in the brain receive thousands of synaptic signals via their "antenna," the so-called dendritic branch. Permanent changes in synaptic strength correlate with changes in the size of dendritic spines. However, it was previously unclear how the neurons implement these c

Medical xPress 01 September at 08.40 AM

How hunger influences aversive learning in fruit flies

Internal states that animals experience while they are thirsty, hungry, sleepy or aggressive have been found to be linked with the combined activity of various neuromodulators and neurotransmitters. These chemical messengers can drastically change the excitability and functional connectivity of neurons, which in turn plays a role in shaping the animals' behavior.

Medical xPress 30 August at 01.56 PM

Not just a 'bad guy': Researchers discover neuroprotective function of Tau protein

A study by researchers at Baylor College of Medicine and the Jan and Dan Duncan Neurological Research Institute (Duncan NRI) at Texas Children's Hospital, reveals that the protein Tau—a key player implicated in several neurodegenerative conditions including Alzheimer's disease—also plays a positive role in the brain. Tau mitigates neuronal damage caused by excessive reactive oxygen species (ROS) o

Medical xPress 30 August at 07.50 AM

Neuron populations in the medial prefrontal cortex shown to code the learning of avoidant behaviors

Over the course of their lives, animals form associations between sensory stimuli and predicted threats or rewards. These associations can, in turn, shape the behaviors of animals, prompting them to engage in avoidant behaviors (e.g., avoiding specific stimuli and situations) or conversely, to engage with their surroundings in various ways.

Medical xPress 29 August at 03.53 PM

Case study showcases effectiveness of multimodality approaches for diagnosing hydrocephalus

A recent case report published in Cyborg Bionic Systems details the diagnosis of idiopathic normal pressure hydrocephalus (iNPH) using multimodality diagnostic approaches, highlighting significant advancements in medical diagnostics and patient care. The study conducted by a team of researchers from Tianjin Medical University General Hospital, Tianjin, China, presents a comprehensive case study of

Medical xPress 29 August at 03.17 PM

Insights on brain-spinal communication in opioid withdrawal lead to a clinical trial

A deeper understanding of the communication inside the body when someone is going through opioid withdrawal has led to a new clinical trial at the University of Calgary.

Medical xPress 29 August at 02.00 PM

Mechanisms of how morphine relieves pain mapped out

In a study published in Science, researchers at Karolinska Institutet describe the neural processes behind how morphine relieves pain. This is valuable knowledge because the drug has such serious side effects.

Medical xPress 29 August at 10.20 AM

Brain study suggests regions that grew the most during evolution are most susceptible to aging

An international team of neuroscientists and anthropologists has found that the parts of the brain that grew the most during human evolution are the parts that are now the most susceptible to aging.

Medical xPress 28 August at 04.20 PM

Study finds inflammatory markers elevated in cluster headache patients

When analyzing inflammatory markers in blood and cerebrospinal fluid, researchers at Karolinska Institutet found signs of inflammation in tissue from patients with cluster headache, specifically in the samples from the nervous system. The study was recently published in The Journal of Headache and Pain.

Medical xPress 28 August at 11.00 AM

Prioritizing the unexpected: New brain mechanism uncovered

Researchers have discovered how two brain areas, the neocortex and the thalamus, work together to detect discrepancies between what animals expect from their environment and actual events. These prediction errors are implemented by selective boosting of unexpected sensory information. These findings enhance our understanding of predictive processing in the brain and could offer insights into how b

Medical xPress 28 August at 10.27 AM

Researchers develop new implant to power healing after spinal cord injury

A research team at RCSI University of Medicine and Health Sciences has developed a new implant that conveys electrical signals and may have the potential to encourage nerve cell (neuron) repair after spinal cord injury.

Medical xPress 28 August at 10.11 AM

How humble cells in a little-known organ manage brain inflammation

Deep in the brain, sheets of tissue known as the choroid plexus produce cerebrospinal fluid (CSF) and act as a protective barrier between the brain and CSF. But the lab of Maria Lehtinen, Ph.D., at Boston Children's Hospital has shown that the little-known choroid plexus does much more. For example, it secretes factors that promote the health of the brain and CSF and influence the brain as it deve

Medical xPress 27 August at 04.01 PM

Novel algorithm improves intracranial EEG accuracy to enhance future patient care

Published in the Journal of Neural Engineering, a research team led by the University of Minnesota Medical School has evaluated the reliability of human experts in comparison to an automated algorithm in assessing the quality of intracranial electroencephalography (iEEG) data. This research hopes to pave the way for more accurate and efficient seizure detection and localization, ultimately improvi

Medical xPress 27 August at 12.44 PM

Finding epilepsy hotspots before surgery: A faster, non-invasive approach

Neurosurgery for patients with drug-resistant epilepsy requires locating the precise brain areas that are generating the seizures. Typically, patients undergo seven to 10 days of invasive intracranial EEG monitoring, with electrodes surgically implanted inside the brain through one or more skull openings to capture seizure activity as it happens.

Medical xPress 27 August at 11.44 AM

Tuning into transitions: How our brains cross musical boundaries

What happens in the brain when one musical phrase ends and another begins? The answer lies in musical boundaries—the invisible lines shaping our listening experience.

Medical xPress 27 August at 07.25 AM

Risk for dementia found to be similar with SGLT2 inhibitors, dulaglutide in type 2 diabetes

For older adults with type 2 diabetes, the risk for dementia seems similar with sodium-glucose cotransporter 2 (SGLT2) inhibitors and the glucagon-like peptide 1 receptor agonist (GLP-1 RA) dulaglutide, according to a study published online Aug. 27 in the Annals of Internal Medicine.

Medical xPress 26 August at 12.43 PM

Piecing the puzzle together: How different brain regions contribute to visual object memory

Visual object memory refers to our brain's ability to store, recognize, and recall visual information about objects we perceive. This capability is essential for interacting with the world, influencing learning, problem-solving, navigation, and social interactions. Without effective visual object memory, these activities would be nearly impossible. Consequently, many neuroscientists have been maki

Medical xPress 26 August at 11.13 AM

Brain shows changes in regions associated with anxiety after quitting alcohol, finds study

Certain regions of the brain show changes during the early stages after quitting drinking that may contribute to increased anxiety and relapse rates in people attempting recovery from alcohol use disorder, according to a study published in Alcohol: Clinical and Experimental Research.

Medical xPress 26 August at 10.52 AM

The orchid and dandelion phenomenon in brain aging: Personalizing cognitive health approaches for older adults

As the global population ages, understanding the variability in cognitive aging becomes increasingly important. Why do some individuals remain cognitively sharp while others experience significant decline?

Medical xPress 26 August at 10.27 AM

Research reveals environmental and disease factors can speed up the brain's biological age

The pace at which the brain ages can vary significantly among individuals, leading to a gap between the estimated biological age of the brain and the chronological age (the actual number of years a person has lived).

Medical xPress 26 August at 10.25 AM

Mechanisms of postoperative pain reveal a path for localized and targeted therapy

An international research group led by MedUni Vienna and IMBA—Institute of Molecular Biotechnology, Vienna, has made significant progress in understanding the mechanisms that influence the sensation of pain after surgery.

Medical xPress 26 August at 10.20 AM

Scientists uncover the role of dopamine in mediating short-term and long-term memory dynamics

In a recent study published in Nature, researchers from Stanford University and Yale University have explored the interplay between short-term and long-term memory in animals.

Medical xPress 26 August at 10.13 AM

Scientists find neurons that process language on different timescales

Using functional magnetic resonance imaging (fMRI), neuroscientists have identified several regions of the brain that are responsible for processing language.

Medical xPress 26 August at 07.39 AM

Insurance coverage could impact survival of patients after spinal cord injury

The care of people seriously harmed by spinal cord injury can cost hundreds of thousands of dollars, and a new analysis suggests that ability to pay influences how long a patient remains on life support.

Medical xPress 25 August at 07.30 AM

Self-deployable, biodegradable electrode offers minimally invasive brain signal monitoring

Sensors that can be easily and safely introduced in the brain could have important medical applications and could also contribute to the development of brain-interfacing devices. While significant progress has been made toward the development of these sensors, most existing devices can only be deployed via invasive surgical procedures that can have numerous complications.

Medical xPress 23 August at 01.48 PM

Gut dysbiosis found to impair intestinal renewal and lipid absorption in Scarb2 deficiency-associated neurodegeneration

A study published in the journal Protein & Cell details the connection between SCARB2 deficiency and gastrointestinal dysfunction, revealing that the loss of SCARB2 leads to alterations in bile acid metabolism and dysbiosis in the gut microbiome. This disruption affects the signaling pathway involving FXR, which normally regulates bile acid synthesis and intestinal lipid absorption.

Medical xPress 23 August at 01.36 PM

Multiple sclerosis appears to protect against Alzheimer's disease

People with multiple sclerosis (MS) are far less likely than those without the condition to have the molecular hallmarks of Alzheimer's disease, according to new research from Washington University School of Medicine in St. Louis.

Medical xPress 23 August at 10.30 AM

Study suggests even mild concussions can have lifelong brain impacts

A team of neuroscientists, brain specialists and psychiatrists, led by a group at Cambridge University, in the U.K, has found evidence suggesting that minor brain injuries that occur early in life, may have health impacts later on.

Medical xPress 23 August at 10.28 AM

Scientists uncover new mechanism of 'forgetting' in brain neurons that could inform Parkinson's treatment

Northwestern Medicine investigators have uncovered a new way in which neurons in the brain "forget" associations that help guide behavior and habits, according to a study published in Cell Reports.

Medical xPress 23 August at 09.54 AM

Low-dose carbon monoxide may explain the paradoxical reduced risk of Parkinson's disease among smokers

Paradoxically, previous research has shown that despite its inherent health risks, cigarette smoking is linked with a reduced risk of Parkinson's disease (PD). Until now, however, it was not clear how.

Medical xPress 23 August at 08.30 AM

GnRH neurons in the mouse olfactory bulb shown to translate socially relevant odors into male reproductive behavior

Animal reproduction is supported by the integration of various external and internal processes. These processes include a combination of perceived sensory cues, behaviors and hormone secretion.

Medical xPress 22 August at 04.45 PM

A new screening method for measuring blood-brain barrier permeability

Scientists at Southwest Research Institute have developed a new screening method to identify drug formulations that can penetrate the blood-brain barrier (BBB), to facilitate treatment of brain diseases and conditions.

Medical xPress 22 August at 04.43 PM

Researchers discover brain circuit that controls ability to recall information and memories

Daily, we encounter new people, situations, and things that require our attention. Fortunately, there is an area in the brain that contributes to consciousness and awareness. This area is called the "Claustrum complex" and is located deep within the brain in each hemisphere.

Medical xPress 22 August at 04.42 PM

Autism spectrum disorders linked to neurotransmitter switching in the brain

Autism spectrum disorders (ASD) involve mild to severe impairment of social, behavioral and communication abilities. These disorders can significantly impact performance at school, in employment and in other areas of life. However, researchers lack knowledge about how these disorders emerge at early stages of development.

Medical xPress 22 August at 11.54 AM

Researchers map brain circuits that signal immediate danger and create memories to help avoid threats

An article published in the journal Current Biology describes experiments that mapped a brain circuit responsible for instantly detecting threats and forming memories of fear.

Medical xPress 22 August at 11.00 AM

Thyroid hormone fuels the drive to explore by rewiring brain circuits, new study suggests

Thyroid hormone plays a key role in regulating a range of physiologic functions, including metabolism, temperature, heart rate, and growth. It accomplishes this impressive array of activities by interacting with almost every organ system in the body. Yet despite a long history of research on how thyroid hormone influences different organs, its effects on arguably the most crucial organ—the brain—h

Medical xPress 22 August at 10.36 AM

New study reveals dopamine analog CA140 mitigates Alzheimer's disease pathology

The small molecule dopamine analog (DA) CA140, which binds to Amyloid-β (Aβ), presents new possibilities for the treatment of degenerative brain diseases.

Medical xPress 22 August at 05.00 AM

Macaque study investigates role of interhemispheric pathways in spinal cord injury recovery

Stroke and spinal cord injuries can severely impair motor functions, and understanding how to promote recovery is a critical challenge. While damaged neurons in the brain and spinal cord have limited ability to regenerate, the brain can form or strengthen alternative neural pathways involving uninjured parts of the brain, enabling functional recovery. Such reorganization of pathways in the brain i

Medical xPress 22 August at 05.00 AM

Will EEG be able to read your dreams? The future of the brain activity measure as it marks 100 years

One hundred years after the human brain's electrical activity was first recorded, experts are celebrating the legacy of its discovery and sharing their predictions and priorities for its future.

Medical xPress 21 August at 04.08 PM

Wearable device improves gait ability in spinal and bulbar muscular atrophy patients, study finds

Spinal and bulbar muscular atrophy (SBMA) is a rare X-linked neuromuscular disorder that results from an abnormal expansion of gene sequences in the androgen receptor gene. SBMA has an adult onset and is a slowly progressive disease that usually presents with muscle weakness in the limbs, predominantly in the proximal regions.

Medical xPress 21 August at 04.00 PM

Study finds no link between migraine and Parkinson's disease

Contrary to previous research, a new study of female participants finds no link between migraine and the risk of developing Parkinson's disease. The study is published in the August 21, 2024 online issue of Neurology.

Medical xPress 21 August at 02.00 PM

The role of an energy-producing enzyme in treating Parkinson's disease

An enzyme called PGK1 has an unexpectedly critical role in the production of chemical energy in brain cells, according to a preclinical study led by researchers at Weill Cornell Medicine. The investigators found that boosting its activity may help the brain resist the energy deficits that can lead to Parkinson's disease.

Medical xPress 21 August at 12.59 PM

Discovery of 'item memory' brain cells offers new Alzheimer's treatment target

Researchers from the University of California, Irvine have discovered the neurons responsible for "item memory," deepening our understanding of how the brain stores and retrieves the details of "what" happened and offering a new target for treating Alzheimer's disease.

Medical xPress 21 August at 12.17 PM

Low-dose THC reverses brain aging and enhances cognition in mice, research suggests

Bonn researchers have clarified the influence of treatment with tetrahydrocannabinol on the metabolic switch mTOR: A low-dose long-term administration of cannabis can not only reverse aging processes in the brain, but also has an anti-aging effect.

Medical xPress 21 August at 11.39 AM

Scientists investigate effects of robotic postural stand training combined with spinal cord epidural stimulation

Kessler Foundation researchers have published a new clinical study investigating the effects of robotic postural stand training combined with spinal cord epidural stimulation (Stand-scES) on trunk control in individuals with high-level spinal cord injury (SCI).

Medical xPress 20 August at 05.17 PM

Novel method for treating cerebral ischemic stroke modulates molecular transportation in brain extracellular space

Ischemic stroke is the second leading cause of death globally and the primary cause of death in China. Over the past two decades, Prof. Hongbin Han's team has been committed to advancing diagnosis and treatment of major brain disorders by investigating the brain extracellular space (ECS). Brain ECS occupies 15%–20% of the total brain volume, significantly more than the 3%–5% occupied by cerebral b

Medical xPress 20 August at 04.45 PM

Memory can be strengthened by unrelated experiences, study finds

There is a legend that many hundreds of years ago—long before printing presses, computers, or telephones existed—a special method was used to remember significant events, such as land transfers, crucial agreements, or weddings. According to the legend, a child was chosen to witness the event and immediately thrown into a river. This extreme combination of events was believed to ensure that the chi

Medical xPress 20 August at 03.28 PM

Enhancing brain-computer interface performance through tactile and motor imagery

In a study recently published in the journal Cyborg and Bionic Systems, researchers from Zhejiang University have unveiled significant findings that could enhance brain-computer interface (BCI) technologies, marking a crucial step towards more intuitive neuroprosthetic control and advanced rehabilitation therapies.

Medical xPress 20 August at 03.22 PM

A compound in rosemary extract can reduce cocaine sensitivity

A team of researchers led by the University of California, Irvine has discovered that an antioxidant found in rosemary extract can reduce volitional intakes of cocaine by moderating the brain's reward response, offering a new therapeutic target for treating addiction.

Medical xPress 20 August at 02.49 PM

Aceneuramic acid is the first approved drug for GNE myopathy treatment

In order to treat an underserved population of patients with a rare condition whose muscles gradually become weaker until they can no longer walk, a team of researchers across Japan have completed a clinical study to confirm the safety of long-term administration of a therapeutic drug.

Medical xPress 20 August at 10.30 AM

Babies and animals can't tell us if they have consciousness—but philosophers, scientists are finding answers

Consciousness is a subjective, personal thing, so scientists who study it usually rely on people to tell them what they are conscious of. The problem is that infants are presumably conscious but, without speech, they can't let us know. Animals like dogs, cats, octopuses and maybe insects might also be conscious, but they can't tell us that either.

Medical xPress 20 August at 09.13 AM

Large-scale brain imaging study reveals five patterns of age-related degeneration

Through a large-scale brain imaging study, an international research team has identified five patterns of age-related degeneration in older people experiencing mental decline. In their study, published in the journal Nature Medicine, the team conducted the multi-year study of thousands of MRI scans using machine learning applications to find patterns in brain degeneration as people age.

Medical xPress 16 August at 01.22 PM

Lip reading activates brain regions similar to real speech, researchers show

Lip-read words can be decoded from the brain's auditory regions similarly to heard speech, according to a new University of Michigan report that looked at how vision supports verbal perception.

Medical xPress 16 August at 09.29 AM

New approach enables a closer look at microglial organelles

Microglia are the immune system's front-line enforcers in the brain. They are cells that patrol the brain and destroy anything harmful that they encounter, from invading bacteria to cellular debris. They also remove plaques and prune dysfunctional synapses between neurons.

Medical xPress 15 August at 03.06 PM

New study uncovers how brain cells form precise circuits before experience is able to shape wiring

In humans, the process of learning is driven by different groups of cells in the brain firing together. For instance, when the neurons associated with the process of recognizing a dog begin to fire in a coordinated manner in response to the cells that encode the features of a dog—four legs, fur, a tail, etc.—a young child will eventually be able to identify dogs going forward. But brain wiring beg

Medical xPress 15 August at 03.00 PM

The brain creates parallel copies for a single memory, new study reveals

A new study now published in Science reveals that the memory for a specific experience is stored in multiple parallel "copies." These are preserved for varying durations, modified to certain degrees, and sometimes deleted over time, report researchers at the University of Basel.

Medical xPress 15 August at 02.00 PM

Sleep resets neurons for new memories the next day, study finds

While everyone knows that a good night's sleep restores energy, a new Cornell University study finds it resets another vital function: memory.

Medical xPress 15 August at 02.00 PM

Navigating the future: Brain cells that plan where to go

Researchers from the RIKEN Center for Brain Science (CBS) in Japan have discovered a region of the brain that encodes where an animal is planning to be in the near future. Linked to internal maps of spatial locations and past movements, activity in the newly discovered grid cells accurately predicts future locations as an animal travels around its environment.

Medical xPress 15 August at 10.29 AM

'Silent' neurons in the sensory cortex can be recruited to enhance sensory processing

The somatosensory cortex is a region of the mammalian brain known to play a crucial role in the processing of sensory information, including tactile sensations, temperature and pain. While this brain region has been the focus of numerous neuroscience studies, its unique contributions to perception-related decision-making remain poorly understood.

Medical xPress 15 August at 05.00 AM

Cleaning up the aging brain: Scientists restore brain's waste removal system

Alzheimer's, Parkinson's, and other neurological disorders can be seen as "dirty brain" diseases, where the brain struggles to clear out harmful waste. Aging is a key risk factor because, as we grow older, our brain's ability to remove toxic buildup slows down. However, new research in mice demonstrates that it's possible to reverse age-related effects and restore the brain's waste-clearing proces

Medical xPress 14 August at 05.00 PM

New brain-computer interface allows man with ALS to 'speak' again

A new brain-computer interface (BCI) developed at UC Davis Health translates brain signals into speech with up to 97% accuracy—the most accurate system of its kind.

Medical xPress 14 August at 05.00 PM

International study detects consciousness in unresponsive patients with severe brain injury

New research co-led by experts at Mass General Brigham found that brain scans can detect consciousness in some patients with brain injury who are unresponsive.

Medical xPress 14 August at 03.55 PM

New insights into brain's reward circuitry could aid addiction treatment

A research team—co-led by Penn Nursing—has made a significant breakthrough in understanding the complex neural circuitry underlying reward and addiction by identifying 34 distinct subtypes of medium spiny neurons (MSNs) in the nucleus accumbens (NAc), a key brain region involved in pleasure and motivation. The findings, published in the journal Scientific Reports, offer insights into the diversity

Medical xPress 14 August at 03.25 PM

New open-source tool helps to detangle the brain

In late 2023, the first drug with potential to slow the progression of Alzheimer's disease was approved by the U.S. Federal Drug Administration. Alzheimer's is one of many debilitating neurological disorders that together affect one-eighth of the world's population, and while the new drug is a step in the right direction, there is still a long journey ahead to fully understanding it, and other suc

Medical xPress 14 August at 02.00 PM

Researchers discover 'switch' for the desire to engage in physical activity

Exercising is healthy, but not always appealing. Research led by Guadalupe Sabio from the National Cancer Research Center (CNIO) may have found a "switch" that activates the desire to get moving, as it shows that during exercise the muscle activates proteins which encourage further activity. The paper is published in Science Advances.

Medical xPress 14 August at 01.35 PM

Promising new screening tool may help manage neurobehavioral difficulties in children with Duchenne muscular dystrophy

A pilot study using a new screening tool shows promise for assessing neurobehavioral difficulties in children with Duchenne muscular dystrophy (DMD) and improving quality of life for patients and their families. Results appear in the Journal of Neuromuscular Diseases.

Medical xPress 14 August at 11.54 AM

Scientists target amyloid beta molecule in search for preventive treatment strategy for Alzheimer's

In the fight against Alzheimer's, researchers at the Technical University of Munich (TUM) have developed a promising, preventative therapeutic approach. They specifically targeted the amyloid beta biomolecule, which triggers the hyperactivity of nerve cells typical of the brain disease in its early stages.

Medical xPress 14 August at 11.00 AM

Scientists discover method to activate dormant stem cells in the brain

Scientists from Duke-NUS Medical School and the Mechanobiology Institute (MBI) at the National University of Singapore (NUS) have discovered a novel pathway to wake up dormant neural stem cells, offering potential new therapies for neurodevelopmental disorders such as autism, learning disabilities, and cerebral palsy.

Medical xPress 14 August at 11.00 AM

Scientists capture glimpse of how brain cells embody thought

The coordinated activity of brain cells, like birds flying in formation, helps us behave intelligently in new situations, according to a study led by Cedars-Sinai investigators. The work, published in Nature, is the first to illuminate the neurological processes known as abstraction and inference in the human brain.

Medical xPress 13 August at 04.21 PM

Lipid accumulation drives cellular senescence in dopaminergic neurons

A new research perspective titled Lipid accumulation drives cellular senescence in dopaminergic neurons has been published in Aging.

Medical xPress 13 August at 12.30 PM

Study: A new type of degenerative brain disease underlying dementia is very common among the oldest old

A new type of degenerative brain disease, limbic-predominant age-related TDP-43 encephalopathy (LATE), was recognized just a decade or so ago, and remains relatively unknown.

Medical xPress 13 August at 12.25 PM

Natural grass may pose greater risk for football concussions than artificial turf

Young football players who sustained a head-to-ground concussion practicing or playing games on natural grass experienced more symptoms—and significantly higher severity—than those who suffered concussions on artificial turf, researchers at UT Southwestern Medical Center found.

Medical xPress 13 August at 10.50 AM

Study elucidates mechanisms of longer and deeper sleep after an all-nighter

Professor Hiroki R. Ueda , Dr. Kazuhiro Kon and their colleagues at Graduate School of Medicine, The University of Tokyo, have published a study in Nature Communications on the importance of proper regulation of the activity of parvalbumin (PV)-expressing neurons, the major inhibitory neurons in the cerebral cortex, in the long, deep sleep (rebound sleep) that occurs after prolonged wakefulness.

Medical xPress 13 August at 10.20 AM

'Origami-inspired' folding electrodes could reduce surgery needed to treat brain conditions

A research team led by the University of Oxford and the University of Cambridge have created new 'origami-inspired' brain electrodes that can fold up to a fraction of their full size. This advance could significantly reduce the amount of surgery needed to treat conditions such as epilepsy, or to install brain-computer interfaces.

Medical xPress 12 August at 04.29 PM

Brain biomarker in blood sample predicts stroke, researchers demonstrate

Researchers at Uppsala University Hospital and Uppsala University have demonstrated that a simple blood test that reflects brain health can predict which people are most at risk of suffering a stroke. The discovery could contribute to more individualized treatment of patients with atrial fibrillation. The study has been published in the journal Circulation.

Medical xPress 12 August at 01.19 PM

New findings suggest alternative mechanisms behind Alzheimer's disease

New findings out of Emory University are challenging existing theories about the origins of Alzheimer's, the leading cause of dementia in the elderly worldwide. A team led by researchers at the Goizueta Brain Health Institute has found strong evidence supporting a new understanding of the mechanism behind Alzheimer's disease.

Medical xPress 12 August at 01.15 PM

Hooked on a feeling: Opioids evoke positive feelings through a newly identified brain region

Opioids, like the commonly prescribed pain reliever oxycodone, are known for being highly addictive. In 2022, nearly 85,000 people died from an opioid overdose in the U.S., according to the Centers for Disease Control. Yet opioids are still being prescribed at alarming rates, particularly in Southern states, because of the lack of effective alternatives.

Medical xPress 12 August at 12.35 PM

Researchers urge Medicare coverage of driving assessments for at-risk, older adults

In 2020, approximately 48 million licensed drivers were older than 65 years. Within this age group, car crashes led to 7,480 deaths and 149,881 non-fatal injuries. Moreover, 17% of people older than 65 years (approximately 8.2 million) experience mild cognitive impairment and are at increased risk for crashes. Accurate assessment of driving skills in these individuals cannot be done in a doctor's

Medical xPress 12 August at 11.00 AM

How experience shapes neural connectivity in the brain

Our brain interprets visual information by combining what we see with what we already know. A study published in the journal Neuron, by researchers at the Champalimaud Foundation, reveals a mechanism for learning and storing this existing knowledge about the world.

Medical xPress 12 August at 10.52 AM

Biodegradable electronic tent technology offers less invasive brain disease diagnosis

A team from The College of Engineering at Seoul National University has developed a biodegradable electronic tent technology that enables brain disease diagnosis using a needle.

Medical xPress 12 August at 10.20 AM

State-of-the-art brain recordings reveal how neurons resonate

For decades, scientists have focused on how the brain processes information in a hierarchical manner, with different brain areas specialized for different tasks. However, how these areas communicate and integrate information to form a coherent whole has remained a mystery.

Medical xPress 12 August at 07.00 AM

Drug protects against air pollution-related Alzheimer's signs in mice

A study led by the USC Leonard Davis School of Gerontology shows how feeding mice a drug called GSM-15606 provides protection against air pollution-related increases in proteins linked to Alzheimer's disease.

Medical xPress 09 August at 01.46 PM

Memory problems in old age linked to a key enzyme, study in mice finds

Everyone has moments of forgetfulness from time to time, especially as we get older. But older adults don't just have difficulty remembering new information. They also have a harder time modifying those memories when new details emerge. Yet, little is known about the mechanisms behind memory updating and how those mechanisms go awry with age.

Medical xPress 09 August at 01.45 PM

Key factor found in drug-context links, relapse

Most people wouldn't think twice after seeing sugar spilled on a counter. But for someone with a history of cocaine use, this visual cue could trigger powerful associations with their past drug use and a compulsive urge to seek the drug.

Medical xPress 09 August at 08.11 AM

Alzheimer's disease: It's not only neurons—glial cells also produce harmful proteins

Memory loss, confusion, speech problems—Alzheimer's disease is the most common cause of dementia, affecting about 35 million people worldwide, and the number is growing.

Medical xPress 09 August at 08.11 AM

Serotonin changes how people learn and respond to negative information

Increasing serotonin can change how people learn from negative information, as well as improving how they respond to it, according to a new study published in the journal Nature Communications.

Medical xPress 09 August at 07.30 AM

Sequence of the day: Exploring how the mammalian brain represents multiple sequential experiences during sleep

Sleep is among the most fascinating phenomena observed in both humans and animals, known to be characterized by different cycles and types of brain activity. Past neuroscience studies have found that during sleep, groups of neurons in the hippocampus replay past experiences and forecast potential future experiences.

Medical xPress 09 August at 05.43 AM

How does traumatic brain injury progress to Alzheimer's disease?

A traumatic brain injury, or TBI, is caused by a contusion to the head that may result in injury to the brain. This type of injury combined with the inherited genetic risk factors can result in the accelerated development of Alzheimer's disease and related dementia, or ADRD.

Medical xPress 09 August at 05.35 AM

Study shows new, more precise way to deliver medicine to the brain

Houston Methodist researchers have discovered a more accurate and timely way to deliver life-saving drug therapies to the brain, laying the groundwork for more effective treatment of brain tumors and other neurological diseases.

Medical xPress 08 August at 03.02 PM

Study reveals ways in which 40Hz sensory stimulation may preserve brain's 'white matter'

Early-stage trials in Alzheimer's disease patients and studies in mouse models of the disease have suggested positive impacts on pathology and symptoms from exposure to light and sound presented at the gamma band frequency of 40 Hz.

Medical xPress 08 August at 02.58 PM

Eating for necessity or pleasure? There is a brain circuit for that

People eat either because they are hungry or for pleasure, even in the absence of hunger. While hunger-driven eating is fundamental for survival, pleasure-driven feeding may accelerate the onset of obesity and associated metabolic disorders.

Medical xPress 08 August at 12.50 PM

Why elite athletes are harnessing their own brain waves for sporting success

The Olympic and Paralympic Games represent the pinnacle of athletic achievement, where the world's sporting elite showcase their prowess. Modern athletes benefit from top-notch coaching, optimized nutrition and recovery strategies. Yet, some are turning to more unique methods for the competitive edge—training the brain.

Medical xPress 08 August at 07.40 AM

Molecule restores cognition, memory in Alzheimer's disease model mice

In a study, published in the journal The Proceedings of the National Academy of Sciences, a molecule identified and synthesized by UCLA Health researchers was shown to restore cognitive functions in mice with symptoms of Alzheimer's disease by effectively jump-starting the brain's memory circuitry.

Medical xPress 07 August at 01.13 PM

Better understanding cerebral palsy pain types could lead to better treatment

Pain management is an important component of caring for adults with cerebral palsy. However, it's the least understood comorbidity in the adult cerebral palsy population.

Medical xPress 07 August at 12.59 PM

Dream discovery: Melatonin's key role in REM sleep revealed

A significant breakthrough in the understanding of sleep mechanism opens new promise for treating sleep disorders and associated neuropsychiatric conditions: Scientists have pinpointed the melatonin receptor MT1 as a crucial regulator of REM (Rapid Eye Movement) sleep.

Medical xPress 07 August at 12.45 PM

Walking the walk, researchers develop motion compatible brain scanner

An upright neuroimaging device developed by West Virginia University neuroscientists, physicists and engineers that allows patients to move around while undergoing a brain scan could help set priorities for the evolution of imaging tools.

Medical xPress 07 August at 11.47 AM

If you yawn, I yawn too: New mechanisms behind imitative behavior revealed

An international team of researchers, led by scientists from the University of Bologna has investigated the neural mechanisms underlying imitative behavior: a phenomenon that facilitates interaction and social cohesion and allows people to engage spontaneously with others.

Medical xPress 07 August at 11.47 AM

Cocaine discovery could pave way for treatment for substance abuse

You have probably heard of dopamine. The substance also known as the "feel-good hormone."

Medical xPress 07 August at 10.29 AM

Shedding light on alcohol's impact on brain activity in social drinkers

Researchers at Neuroscience Research Australia (NeuRA) and UNSW Science have conducted a study examining the impact of alcohol on the electrical conductivity of the brain, highlighting its sedative effects.

Medical xPress 07 August at 07.15 AM

Skin-to-skin 'kangaroo care' found to boost neurodevelopment in preemies

Skin-to-skin cuddling with a parent has lasting cognitive benefits for premature babies, according to a new Stanford Medicine study. Preemies who received more skin-to-skin contact, also known as kangaroo care, while hospitalized as newborns were less likely to be developmentally delayed at 1 year of age, the study found.

Medical xPress 06 August at 02.00 PM

Dopamine treatment found to alleviate symptoms in Alzheimer's disease

A new way to combat Alzheimer's disease has been discovered by Takaomi Saido and his team at the RIKEN Center for Brain Science (CBS) in Japan. Using a mouse model, the researchers found that treatment with dopamine could alleviate physical symptoms in the brain as well as improve memory.

Medical xPress 06 August at 01.12 PM

What happens to your brain when you drink with friends?

Grab a drink with friends at happy hour and you're likely to feel chatty, friendly and upbeat. But grab a drink alone and you may experience feelings of depression. Researchers think they now know why this happens.

Medical xPress 06 August at 12.00 PM

Why are migraines worse during your period? Study points to progesterone, offering a new treatment target

Migraines are throbbing headaches often accompanied by nausea and increased sensitivity to light, sound and touch. Nearly 30 million Americans suffer from migraines, and almost 1 in 4 of them have at least four severe attacks each month. Three times as many women suffer from migraine headaches as men, and this disparity is even more pronounced during reproductive years.

Medical xPress 06 August at 11.35 AM

Racism and discrimination lead to faster aging through brain network changes, new study finds

Racism steals time from people's lives—possibly because of the space it occupies in the mind. In a new study published in the journal JAMA Network Open, our team showed that the toll of racism on the brain was linked to advanced aging, observed on a cellular level.

Medical xPress 06 August at 11.00 AM

Study links premature development of human neurons to brain developmental disorders

The mechanisms underlying intellectual disabilities or autism remain largely unknown. Researchers in the labs of Prof. Pierre Vanderhaeghen and Prof. Vincent Bonin at the VIB-KU Leuven Center for Brain & Disease Research and NERF have discovered that mutations in a gene called SYNGAP1 disrupt the prolonged development of human neurons, which is thought to be essential for normal cognitive function

Medical xPress 06 August at 10.00 AM

Increased risk of dying during pregnancy for women with epilepsy calls for improved care

Women with epilepsy are four times more likely to die during pregnancy and their babies are 50% more likely to suffer illness or death. These are the findings of a major new study led by Karolinska Institutet and published in JAMA Neurology. The researchers believe that better care of women before, during and after pregnancy can reduce the risks.

Medical xPress 06 August at 05.00 AM

Exercise or snack? How our brain decides

Should I go and exercise, or would I rather go to the café and enjoy a delectable strawberry milkshake? Until now, what exactly happens in our brain when we make this decision has been a mystery to science, but researchers at ETH Zurich have found the solution. They have deciphered which brain chemical and which nerve cells mediate this decision: the messenger substance orexin and the neurons that

Medical xPress 05 August at 02.16 PM

New method tracks how psychedelics affect neurons in minutes

Researchers at the University of California, Davis have developed a rapid, noninvasive tool to track the neurons and biomolecules activated in the brain by psychedelic drugs. The protein-based tool, which is called Ca2+-activated Split-TurboID, or CaST, is described in research published in Nature Methods.

Medical xPress 05 August at 01.40 PM

Neuro/psych diagnoses prevalent in children with medical complexity

Children with medical complexity (CMC) often have neurodevelopmental and mental health diagnoses, which are associated with increased health care utilization, according to a study published online Aug 5 in Pediatrics.

Medical xPress 05 August at 01.30 PM

Vestibular neurectomy effective for Meniere disease

For patients with Meniere disease (MD), vestibular neurectomy is effective, resolving vertigo episodes and resulting in hydrops regression, according to a study published online July 30 in Acta Neurologica Belgica.

Medical xPress 05 August at 10.40 AM

Sleep deprivation in mice found to reduce brain synapse diversity

A multi-disciplinary team has found that depriving lab mice of sleep can lead to a reduction in synapse diversity in the brain. In their study, published on the open-access site Current Biology, the group compared the brains of mice that were allowed normal amounts of sleep with others who were kept awake for an extra six hours.

Medical xPress 05 August at 09.10 AM

Dopamine physiology in the brain unveiled through brain engineering

DGIST Department of Brain Sciences Professor Lee Kwang and his team have discovered a new correlation between neural signaling in the brain and dopamine signaling in the striatum. The human brain requires fast neural signal processing in a short period of less than a second.

Medical xPress 05 August at 09.08 AM

Exploring the impact of meta learning on post-stroke motor recovery

The variability in recovery performance among individuals who have suffered a stroke has puzzled clinicians. A research group from University of Tsukuba has discovered that meta-learning ability enhances motor skill recovery in these patients.

Medical xPress 02 August at 11.00 AM

Brain activity associated with specific words is mirrored between speaker and listener during a conversation, data show

When two people interact, their brain activity becomes synchronized, but it was unclear until now to what extent this "brain-to-brain coupling" is due to linguistic information or other factors, such as body language or tone of voice.

Medical xPress 01 August at 02.00 PM

With new technique, patient-derived neurons accurately model late-onset Alzheimer's disease

Researchers at Washington University School of Medicine in St. Louis have developed a way to capture the effects of aging in the development of Alzheimer's disease. They devised a method to study aged neurons in the lab without a brain biopsy, an advancement that could contribute to a better understanding of the disease and new treatment strategies.

Medical xPress 01 August at 09.10 AM

Researchers determine how the hippocampus generates and sustains oscillations

RIKEN neuroscientists have gained new insights into how the hippocampus generates and sustains oscillations, which will be helpful for informing models on how the brain region works.

Medical xPress 01 August at 09.06 AM

New insights into cellular processes after a stroke

Strokes lead to irreversible damage to the brain and are one of the most common causes of dependency or death. As the cellular reactions to a cerebral infarction are not yet fully understood, there are no current techniques to promote the regeneration of damaged nerve tissue in the brain.

Medical xPress 01 August at 07.25 AM

New insights into fruit fly cell regulation may offer clues for treating brain tumors

Peter Mac researchers have discovered new insights into neural stem cell development in fruit flies that may provide answers on how brain tumors grow in humans.

Medical xPress 31 July at 04.00 PM

Are cardiovascular risk factors linked to migraine?

Having high blood pressure, specifically high diastolic blood pressure, was linked to a slightly higher odds of ever having migraine in female participants, according to a new study published in the July 31, 2024, online issue of Neurology. Diastolic pressure is when the heart is resting between beats. However, the study did not find an increased risk between other cardiovascular risk factors and

Medical xPress 31 July at 06.27 AM

Study uncovers unique brain plasticity in people born blind

A study led by Georgetown University neuroscientists reveals that the part of the brain that receives and processes visual information in sighted people develops a unique connectivity pattern in people born blind. They say this pattern in the primary visual cortex is unique to each person—akin to a fingerprint.

Medical xPress 30 July at 03.52 PM

New work focuses on lack of TIMP-1 expression in the brains of MS patients

with a close family member living with multiple sclerosis Stephen J. Crocker, Ph.D., associate professor of neuroscience and immunology at UConn School of Medicine, takes his research personally.

Medical xPress 30 July at 12.23 PM

Spatial pattern of pathological changes in the brain can help identify dementia vulnerability early

Findings from a novel study in Biological Psychiatry: Cognitive Neuroscience and Neuroimaging, suggest that using a specialized diffusion weighted MRI scan to monitor the spatial pattern of individual cortical microstructural change in the brain may be a promising approach to characterize individuals who may be vulnerable to developing Alzheimer's disease (AD) prior to significant cognitive declin

Medical xPress 30 July at 10.00 AM

Bilateral focused ultrasound shown to be safe, effective for patients with lingering or severe essential tremor

In a study published in JAMA Neurology co-authored by Vibhor Krishna, MD, associate professor of neurosurgery at the UNC School of Medicine, researchers found that a staged bilateral focused ultrasound treatment for essential tremor is safe and effective. Essential tremor, a neurological condition that causes involuntary and rhythmic shaking, can be so profound that typical life tasks become diffi

Medical xPress 30 July at 06.43 AM

Neurons in the frontal cortex help macaque monkeys decode social interactions, study shows

By studying the brains of macaque monkeys during turn-taking exercises, researchers may be one step closer to understanding how individual neurons in the frontal cortex work together to analyze spatial locations of other individuals in social contexts.

Medical xPress 29 July at 06.30 PM

Inflammatory activity of rheumatoid arthritis linked to specific cognitive impairments

The inflammatory activity in the body caused by rheumatoid arthritis is linked to specific cognitive impairments, finds a small comparative study, published in the open access journal RMD Open.

Medical xPress 29 July at 04.01 PM

Video: The neuroscience of fencing

To make it to the Olympics, elite athletes spend countless hours preparing not only their bodies—but their brains, as well.

Medical xPress 29 July at 12.53 PM

Brain cell grafts in monkeys jump-start human trial for new Parkinson's treatment

People with Parkinson's disease are receiving a new treatment in a clinical trial started after University of Wisconsin–Madison scientists demonstrated the safety and feasibility of the therapeutic delivery method in a study of non-human primates.

Medical xPress 29 July at 11.00 AM

Advanced 'Parkinson's in a dish' model accelerates brain disease research

Researchers at Brigham and Women's Hospital, a founding member of the Mass General Brigham health care system, have developed a model that rapidly converts stem cells to brain cells with protein structures characteristic of Parkinson's disease (PD), enabling the study of the condition's unique and highly variable disease pathology in a petri dish.

Medical xPress 29 July at 10.58 AM

New research suggests deaf children interact with parents like their hearing peers

A new study led by a Keele University research team has found that deaf toddlers fitted with cochlear implants interact with their parents just as well as their hearing peers.

Medical xPress 29 July at 10.55 AM

Teen alcohol exposure impairs behavioral flexibility and learning, shows persistent effects on brain chemistry

Rats with alcohol exposure in adolescence are less able as adults to adapt their behavior in changing circumstances, according to a study that highlights the possible brain mechanisms involved. The findings may help us better understand ways that alcohol use during the teen years can lead to long-lasting cognitive and behavioral impairments.

Medical xPress 29 July at 05.00 AM

Non-invasive device uses magnetoneurography to record involuntary nervous system

A research team led by UC San Diego has, for the first time, shown that a wearable, non-invasive device can measure activity in human cervical nerves in clinical settings.

Medical xPress 26 July at 11.51 AM

Building bridges between cells for brain health: Research finds microglia rescue neurons through tunneling nanotubes

The brain contains many cell types, from the prominent neurons to the lesser-known microglia. The latter are integral to the brain's immune system and play a crucial role as the brain's cleanup crew. A recent study conducted by researchers from the University Hospital Bonn and the Luxembourg Centre for Systems Biomedicine (LCSB) at the University of Luxembourg, in collaboration with colleagues fr

Medical xPress 26 July at 10.08 AM

Mitochondria support immune response to central nervous system injuries, scientists discover

Northwestern Medicine scientists have discovered that mitochondria are not necessary for the proliferation of specialized immune cells in the central nervous system, but do help those cells respond to demyelinating injuries, according to a study published in Nature Metabolism.

Medical xPress 26 July at 09.44 AM

A new therapeutic target offers a promising pathway for multiple sclerosis treatment

Researchers from Kyushu University have identified a potential therapeutic target for the treatment of advanced multiple sclerosis (MS), a potentially disabling condition associated with the central nervous system.

Medical xPress 25 July at 05.03 PM

Researchers close in on new technology for objectively measuring pain

On a scale of one to ten, how much pain do you feel?

Medical xPress 25 July at 04.48 PM

Antisense oligonucleotide treatment shows promise in treating Parkinson's disease progression

Parkinson's disease (PD), as well as many other neurodegenerative disorders, has shown a link between the abnormal aggregation of a protein called α-synuclein (aSyn) and neuronal death. These aggregates, known as Lewy bodies and Lewy neurites depending on their subcellular localization, can spread by continuously causing normal endogenous aSyn to misfold.

Medical xPress 25 July at 02.00 PM

Machine learning shows potential for predicting multiple sclerosis progression

Machine learning models can reliably inform clinicians about the disability progression of multiple sclerosis, according to a study published in the open-access journal PLOS Digital Health by Edward De Brouwer of KU Leuven, Belgium, and colleagues.

Medical xPress 25 July at 10.50 AM

Chaotic dynamics in the brain may enable probabilistic thinking

Chaos may be behind the brain's ability to compute probabilities, according to a new analysis by two neuroscientists at RIKEN. The research is published in the Proceedings of the National Academy of Sciences.

Medical xPress 25 July at 10.11 AM

Scientists create novel anti-thrombogenic coatings to overcome endovascular therapy challenges

A researcher at AIST, in collaboration with the Japan Medical Startup Incubation Program (JMPR) and N.B. Medical Corporation, has developed a novel anti-thrombogenic coating for stents used in the treatment of intracranial aneurysms. The details of this technology were published in Scientific Reports on July 10, 2024.

Medical xPress 25 July at 09.19 AM

Cell aging discovery could help detect early warning signs for neurodegenerative diseases

A team from King's College London and collaborators have pinpointed how different areas of the neuron age differently, with a potential knock-on effect on healthy cell function and the development of neurodegenerative conditions. The paper is published in the journal Aging Cell.

Medical xPress 24 July at 05.24 PM

Daily rhythms depend on receptor density in biological clock, study shows

In humans and other animals, signals from a central circadian clock in the brain generate the seasonal and daily rhythms of life. They help the body to prepare for expected changes in the environment and also optimize when to sleep, eat and do other daily activities.

Medical xPress 24 July at 03.40 PM

New research offers insight on preventing brain damage in preterm babies

Mark Petersen, MD, has seen firsthand the devastating effects of brain bleeds in premature babies. It's an exceedingly common condition that affects up to 20% of infants born before 28 weeks of gestation, bringing an increased risk for developmental delays and autism.

Medical xPress 24 July at 01.22 PM

Researchers find changes in pathway strength for Parkinson's disease models

An interdisciplinary team of scientists has found changes in the strength of neural pathways in an area of the brain involved in reward processing and movement coordination when someone has Parkinson's disease.

Medical xPress 24 July at 12.37 PM

Study explores machine learning for classifying functional neurological disorder

In a study published in the Journal of Neurology, Neurosurgery & Psychiatry, David L. Perez, MD, MMSc, Founding Director of the Functional Neurological Disorder Unit at Massachusetts General Hospital and an associate professor of Neurology and Psychiatry at Harvard Medical School, and others, investigated whether structural brain MRI has the potential to be a clinically useful tool for diagnosing

Medical xPress 24 July at 11.10 AM

First long-term study shows use of socially assistive robot improves stroke rehabilitation

Using a socially assistive robot (SAR) in post-stroke rehabilitation improves outcomes, according to Ben-Gurion University of the Negev researchers. They conducted the first long-term study of robot use in physical therapy. The study opens a totally new method for rehabilitation exercises.

Medical xPress 24 July at 11.00 AM

Study across multiple brain regions discerns Alzheimer's vulnerability and resilience factors

An MIT study published in Nature provides new evidence for how specific cells and circuits become vulnerable in Alzheimer's disease, and hones in on other factors that may help some people show resilience to cognitive decline, even amid clear signs of disease pathology.

Medical xPress 24 July at 11.00 AM

Neuroscientists discover brain circuitry of placebo effect for pain relief

The placebo effect is very real. This we've known for decades, as seen in real-life observations and the best double-blinded randomized clinical trials researchers have devised for many diseases and conditions, especially pain. And yet, how and why the placebo effect occurs has remained a mystery. Now, neuroscientists have discovered a key piece of the placebo effect puzzle.

Medical xPress 23 July at 03.58 PM

Multiple sclerosis progression linked to immune response outside the brain

New research, led by the University of Southampton and University Hospital Southampton, shows that inflammation outside the brain, such as that caused by common infections such as colds and urine infections, is linked to the progression of multiple sclerosis (MS).

Medical xPress 23 July at 03.26 PM

How does the brain respond to sleep apnea? Researchers pinpoint two neurochemicals

Nearly 40 million adults in the U.S. have sleep apnea, and more than 30 million of them use a continuous positive airway pressure (CPAP) machine while sleeping. However, the machines tend to be expensive, clunky and uncomfortable—resulting in many users giving up on using them.

Medical xPress 23 July at 01.26 PM

AI could change the way we measure brain pressure in neurocritical patients

A Johns Hopkins University research team has developed an algorithm to non-invasively measure intracranial pressure (ICP) using vital sign data routinely checked in the ICU.

Medical xPress 22 July at 03.56 PM

Research reveals possible link between gastrointestinal syndromes and risk of brain aneurysm

There is a potential connection between a diagnosis of certain gastrointestinal (GI) syndromes and the formation and rupture of intracranial (brain) aneurysms, according to research presented today at the Society of NeuroInterventional Surgery's (SNIS) 21st Annual Meeting.

Medical xPress 22 July at 03.52 PM

New study shows updated stroke evaluation protocols increase patient access to lifesaving stroke treatment

Changing standard procedures for evaluating and treating patients with suspected stroke has led to improved access to lifesaving stroke surgery across the state of Delaware and should inform triage and treatment nationwide, according to research released today at the Society of NeuroInterventional Surgery's (SNIS) 21st Annual Meeting.

Medical xPress 22 July at 03.41 PM

Study finds non-medical factors, including proximity to a coal mine, may lead to worse recovery from stroke

Research presented at the Society of NeuroInterventional Surgery's (SNIS) 21st Annual Meeting highlights the role of socioeconomic variables and their role in successful recovery after stroke surgery, specifically the impact of living in a coal-mining county.

Medical xPress 22 July at 03.39 PM

Study reveals stroke care concerns for non-English language patients

Non-English-speaking patients are less likely to arrive by ambulance when experiencing stroke symptoms and less likely to receive thrombectomy, according to research released today at the Society of NeuroInterventional Surgery's (SNIS) 21st Annual Meeting.

Medical xPress 22 July at 01.25 PM

Neuroscientists use brain activity patterns to reveal thoughts of brain-injured patients

The very thought of being 'locked in' following a brain injury or even aware during general anesthesia induces fear because it awakens the classic terror trope of being buried alive. But what does it mean to be awake, but entirely unable to respond, and what can this tell us about consciousness itself?

Medical xPress 22 July at 09.50 AM

Study identifies new biomarkers of Alzheimer's disease

Recent advances in the study of proteomes (i.e., the entire range of proteins expressed by human cells and tissues) have opened new opportunities for identifying the biological markers of specific diseases or mental disorders. This could in turn inform the prevention, diagnosis and treatment of these medical conditions.

Medical xPress 19 July at 12.24 PM

Study finds people who lost sight early in life are less accurate at estimating auditory distances

New research has found that people who experience partial vision loss in early childhood find it more difficult to accurately judge the location of a sound than those who lose sight later in life.

Medical xPress 19 July at 09.10 AM

Lab-grown human neuron assembloids effectively model synaptic plasticity

The ability to study human neurological systems depends on having viable, accurate models of brain function. St. Jude researchers have now created a model for such research by combining thalamic cells and cortical cells derived from human induced pluripotent stem cells.

Medical xPress 19 July at 09.08 AM

Good timing: Study unravels how our brains track time

Ever hear the old adage that time flies when you're having fun? A new study by a team of UNLV researchers suggests that there's a lot of truth to the trope.

Medical xPress 18 July at 04.48 PM

Forecasting method may help people with epilepsy predict their seizures

A team of epilepsy specialists at UC San Francisco has developed a method to predict 24-hour seizure risk. The discovery, which may be scalable to large numbers of patients, could help to improve the quality of life for the 2.9 million Americans living with the daily uncertainties of epilepsy.

Medical xPress 18 July at 04.03 PM

Brain changes linked to obesity result in low sperm count, mouse study finds

Obesity is known to cause lower testosterone in men, impacting muscle mass and cognition, as well as reproductive function by diminishing sperm numbers and lowering libido. Just how obesity produces these changes, in addition to causing cardiovascular disease and type 2 diabetes, is not fully understood.

Medical xPress 18 July at 11.41 AM

Late bedtimes and not enough sleep can harm developing brains—and poorer kids are more at risk, say neuroscientists

Shorter sleep and later bedtimes are linked to potentially harmful functional changes to parts of the brain important for coping with stress and controlling negative emotions, our recently published research found. And children in families with low economic resources are particularly at risk.

Medical xPress 18 July at 11.30 AM

Exploring how astrocytes respond to spinal cord injury or stroke-induced tissue damage

Past neuroscience studies found that when the central nervous system (CNS) is damaged, for instance following a stroke or spinal cord injuries, the lesions become surrounded by borders of newly proliferated astrocytes.

Medical xPress 18 July at 11.15 AM

How different areas of the prefrontal cortex influence time variability in individual monkeys

Neuroscientists from RIKEN have discovered the effects that different areas in the prefrontal cortex of macaque monkeys have on the variability in the time it takes them to perform tasks involving quick decisions. This information could help to tailor rehabilitation for people with injuries to their prefrontal cortex.

Medical xPress 18 July at 10.35 AM

Analyzing internal world models of humans, animals and AI

A team of scientists led by Prof. Dr. Ilka Diester, Professor of Optophysiology and spokesperson of the BrainLinks-BrainTools research center at the University of Freiburg, has developed a formal description of internal world models and published it in the journal Neuron.

Medical xPress 18 July at 09.18 AM

Computational neuroscientists show how astrocytes increase flexible learning

Star-shaped glial cells, so-called astrocytes, are more than just a supporting cell of the brain. They are actively involved in learning processes and interact with nerve cells. But what exactly is it that astrocytes do?

Medical xPress 18 July at 06.24 AM

Study suggests disparities in post-acute stroke care depend on insurance status

Insurance-dependent racial and ethnic disparities and regional variations are seen in post-acute service utilization after stroke, according to a study published online July 17 in Neurology: Clinical Practice.

Medical xPress 18 July at 03.00 AM

Q&A: Research shows young infants use their mother's scent to perceive faces

Humans see the world through the five senses, but how and when the ability to integrate across the senses arises is debated. Research shows that humans combine sensory information together, particularly when one sense is not able to produce a sufficient response alone. Studies also show that infants may use multisensory cues to perceive their environments more efficiently.

Medical xPress 17 July at 05.13 PM

Training program facilitates home-based transcranial electrical stimulation

Traveling to and from a clinic or a laboratory for treatment can be difficult and expensive for older Americans. To address this, scientists developed and tested a new training and supervision program for older adults so they can receive Transcranial Electrical Stimulation (tES), a promising intervention for various clinical conditions, in their homes.

Medical xPress 17 July at 04.31 PM

Gut protein may protect brain cells in Parkinson's disease

Nearly 10 million people worldwide suffer from Parkinson's disease (PD), a condition causing muscle rigidity and tremors due to the loss of the chemical dopamine in the brain. One cause of PD is exposure to toxins. In a recent study, Thomas Jefferson University's Scott A. Waldman, MD, Ph.D., and his team discovered that a gut receptor protein called GUCY2C could prevent PD development by protectin

Medical xPress 17 July at 03.00 PM

New technique could help treat aggressive brain tumors

Tackling brain cancer is complicated, but recent research could help add another tool to the cancer-fighting arsenal. A team from Georgia Tech and Virginia Tech has published a paper in APL Bioengineering that explores a new option that could one day be used to target glioblastoma, a deadly and fast-growing brain tumor.

Medical xPress 17 July at 02.52 PM

Alzheimer's discovery holds potential to improve drugs

A significant discovery by Australian scientists has the potential to improve the effectiveness of drugs currently used to manage cognitive decline in patients with Alzheimer's disease.

Medical xPress 17 July at 01.50 PM

Brain changes seen in kids with conduct disorder

Defiance, tantrums, aggression: All signs of a condition called conduct disorder, which Mental Health America says affects up to 16% of boys and 9% of girls.

Medical xPress 17 July at 01.25 PM

How our brains learn new athletic skills fast: Investigating electrocortical activity and faster locomotor adaptation

You join a swing dance class, and at first you're all left feet. But—slowly, eyes glued to the teacher—you pick up a step or two and start to feel the rhythm of the big band beat. A good start. Then you look over and realize the couple next to you has picked up twice the steps in half the time. Why?

Medical xPress 17 July at 11.28 AM

Scientists define new type of memory loss in older adults

Researchers at Mayo Clinic have established new criteria for a memory-loss syndrome in older adults that specifically impacts the brain's limbic system. It can often be mistaken for Alzheimer's disease. The good news: Limbic-predominant Amnestic Neurodegenerative Syndrome, or LANS, progresses more slowly and has a better prognosis, and is now more clearly defined for doctors working to find answer

Medical xPress 17 July at 10.22 AM

New atlas aims to replace uniform traumatic brain injury treatment with precision medicine

Researchers at Phoenix's Barrow Neurological Institute and the University of Pittsburgh have created a vast interactive atlas that may eventually help doctors use precision medicine to target treatments for traumatic brain injury (TBI) patients—and could replace the existing uniform treatment model. The research is published in the journal Neuron.

Medical xPress 16 July at 07.10 PM

Multiple concussions in rugby players associated with higher levels of proteins linked to neurodegenerative disease

Retired rugby players who have suffered multiple concussions have higher levels of certain proteins in their blood, which may make them more prone to developing diseases such as motor neuron disease (MND), according to a new study.

Medical xPress 16 July at 04.27 PM

Scientists find small regions of the brain can take micro-naps while the rest of the brain is awake and vice versa

Sleep and wake: They're totally distinct states of being that define the boundaries of our daily lives. For years, scientists have measured the difference between these instinctual brain processes by observing brain waves, with sleep characteristically defined by slow, long-lasting waves measured in tenths of seconds that travel across the whole organ.

Medical xPress 16 July at 02.19 PM

New template of the human brain enhances neuroimaging data analysis

The human brain is responsible for critical functions, including perception, memory, language, thinking, consciousness, and emotions.

Medical xPress 16 July at 02.13 PM

Socioeconomic deprivation linked to higher risk of epilepsy related to traumatic brain injury

Socioeconomic deprivation increases the risk for sustaining a traumatic brain injury (TBI), and in some age groups, it may also increase the risk for epilepsy after a TBI, according to a research letter published in the July issue of Epilepsy & Behavior.

Medical xPress 16 July at 10.58 AM

US stroke survival is improving, but race still plays role

There's good news and bad for stroke survival in the United States: New research shows that Americans are now more likely to survive long-term, but that's more true for whites than for Black Americans.

Medical xPress 16 July at 10.55 AM

Understanding others: By age three, we can do this with mirror neurons

By the age of three, children are capable of understanding others, "mirroring" those they are with to imitate and anticipate their intentions. They are able to do it thanks to the sophisticated neurofunctional architecture that is necessary to understand others' intentions, the mirror neurons, that are already active at this age.

Medical xPress 15 July at 04.50 PM

Atomic force microscopy in the characterization and clinical evaluation of neurological disorders

Neurological disorders are becoming an increasingly significant societal burden, highlighting the critical need for improved diagnostic and therapeutic approaches. Atomic force microscopy (AFM), known for its nanometer-scale resolution and piconewton-scale force sensitivity, offers insights into the biomechanical properties of brain cells and tissues and their interactions within their microenviro

Medical xPress 15 July at 04.00 PM

Study finds long-term stroke survival improving, but racial disparities remain

Overall rates of long-term survival following stroke are improving, but Black individuals experience worse long-term outcomes compared to white individuals, according to University of Cincinnati research published online July 15 in Neurology.

Medical xPress 15 July at 03.50 PM

Hospital admissions for epilepsy change with climatic factors

Changes in climate are possible trigger factors for seizure-related hospitalizations in patients with epilepsy, according to a study published online June 11 in the Journal of Clinical Medicine.

Medical xPress 15 July at 03.35 PM

New study reveals immune protein's critical role in neuronal function and aging

A study conducted at the lab of Beth Stevens, Ph.D., at Boston Children's Hospital, has revealed that an immune protein impacts neuronal protein synthesis in the aging brain. Previous work from the Stevens lab had uncovered that immune cells in the central nervous system, microglia, help prune synapses in the developing brain by tagging synapses with the immune protein C1q.

Medical xPress 15 July at 03.11 PM

Scientists describe biomarkers associated with brain injury

In recent times, research on brain injury has garnered significant attention, particularly for understanding the cellular and molecular changes that are associated with neurological diseases. In this context, the study of different clinical biomarkers can shed light on the various pathological processes that lead to brain injury.

Medical xPress 15 July at 01.26 PM

Study reveals link between playing contact sports and parkinsonism in individuals with chronic traumatic encephalopathy

The largest study of CTE to date has found a new link between playing contact sports, chronic traumatic encephalopathy (CTE), and the development of a movement disorder known as parkinsonism.

Medical xPress 15 July at 12.27 PM

Accurate and continuous remote monitoring of step length can be sensitive marker for neurological diseases and aging

Researchers have used machine learning technologies to develop an algorithm that converts data from a small, lightweight, waterproof wearable sensor taped to the lower back into an accurate estimate of step length. The model is almost four times more accurate than the currently accepted biomechanical model.

Medical xPress 15 July at 11.00 AM

Study pinpoints origins of creativity in the brain

Have you ever had the solution for a tough problem suddenly hit you when you're thinking about something entirely different? Creative thought is a hallmark of humanity, but it's an ephemeral, almost paradoxical ability, striking unexpectedly when it's not sought out.

Medical xPress 15 July at 09.19 AM

Visualizing addiction: How new research could change the way we fight the opioid epidemic

New research from a Max Planck Florida Institute for Neuroscience researcher could transform how we understand the way opioids affect the brain. Despite significant discussion surrounding the ongoing opioid crisis, current understanding of how opioids function in the brain is quite limited. This is primarily due to challenges in observing and measuring opioid effects in the brain in real-time.

Medical xPress 12 July at 02.00 PM

Scientists identify possible way to block muscle fatigue in long COVID, other diseases

Infections and neurodegenerative diseases cause inflammation in the brain. But for unknown reasons, patients with brain inflammation often develop muscle problems that seem to be independent of the central nervous system. Now, researchers at Washington University School of Medicine in St. Louis have revealed how brain inflammation releases a specific protein that travels from the brain to the musc

Medical xPress 12 July at 12.50 PM

Possible link between parental smoking and increased risk for multiple sclerosis

Exposure to parental smoking (ParS) is associated with an increased risk for multiple sclerosis (MS) in later life in certain populations, according to a study presented at EAN 2024, the 10th Congress of the European Academy of Neurology, held from June 29 to July 2 in Helsinki.

Medical xPress 12 July at 12.13 PM

Study reveals witnessing violence harms brains of older teens, but 'transcendent thinking' may be an antidote

These latest findings from CANDLE (USC Center for Affective Neuroscience, Development, Learning and Education) researchers show that teens who think about social issues and violence in more reflective ways show greater resilience to the effects of violence exposure on their brain development.

Medical xPress 12 July at 10.59 AM

Alternative understanding of brain leads to new treatments for stroke patients

Since the early 20th century, researchers believed that movements on the right and left sides of the body were controlled by the opposite hemisphere of the brain and that handedness resulted from the dominant side doing a better job at controlling movements.

Medical xPress 11 July at 05.03 PM

Nanosized sensor could help advance treatment for spinal cord disease, injury

Implantable technologies have significantly improved our ability to study and even modulate the activity of neurons in the brain, but neurons in the spinal cord are harder to study in action.

Medical xPress 11 July at 04.41 PM

Ultrasound technology can be used to boost mindfulness, study finds

One of the intriguing abilities of the human mind is daydreaming, where the mind wanders off into spontaneous thoughts, fantasies and scenarios, often without conscious effort, allowing creativity and reflection to flow freely.

Medical xPress 11 July at 03.07 PM

Being a 'night owl' is associated with mental sharpness, study finds

A study investigating the effect of sleep on brain performance has found a link between an individual's preference for morning or evening activity and their brain function, suggesting that self-declared "night owls" generally tend to have higher cognitive scores.

Medical xPress 11 July at 01.40 PM

Electrodes implanted in brain pick up faint 'inner voice' signal by probing intersection of speech and movement: Study

Russian researchers from Skoltech, the Federal Center of Neurosurgery in Tyumen, Sechenov University, and Lomonosov Moscow State University have conducted a study of brain activity in two patients with electrodes implanted in their brains, while they performed speech-related and handwriting tasks.

Medical xPress 11 July at 01.13 PM

Study sheds light on how the brain adapts hearing in different listening situations

Have you ever noticed how you can suddenly hear your refrigerator humming in the background when you focus on it? Or how the sound of your name instantly catches your attention even in a noisy crowd?

Medical xPress 11 July at 12.50 PM

How AI might help in diagnosing mild concussions

Whether it's from a sports injury, whiplash, or a bump to the head, many patients with mild concussion don't even realize their minor injury can, if untreated, cause lifelong severe health issues. Even if a patient goes to the ER with their injury, it's estimated that 50%–90% of concussion cases go without a formal diagnosis, putting them at risk of dangerous complications such as brain bleeds and

Medical xPress 11 July at 11.47 AM

Cerebellum study identifies potential therapeutic target for management of thirst disorders

The cerebellum, often referred to as the "little brain," has captivated researchers for centuries due to its unique structure and cellular complexity, as one of the most ancient brain regions in evolutionary terms. It has traditionally been viewed only as a motor control center; however, recent studies have revealed its involvement in non-motor functions such as cognition, emotion, memory, autonom

Medical xPress 11 July at 11.02 AM

Visual brain areas switch their state as soon as the eyes are opened, study shows

A recent study conducted by researchers at Forschungszentrum Jülich (Germany) reveals insights into the functioning of the visual cortex of macaques. The findings, published in Cell Reports, demonstrate that the primary visual cortex, also called V1, in monkeys shows two different patterns of brain activity depending on whether their eyes are open or closed.

Medical xPress 11 July at 10.38 AM

New immune cell therapy benefits lab models of ALS and shows positive results in an individual with the disease

Immune system dysregulation and elevated inflammation contribute to the development of the fatal neurodegenerative condition amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease.

Medical xPress 11 July at 10.38 AM

Molecular insights into cognitive impairment: New research uncovers how Parkinson's affects the brain

Parkinson's is associated with a higher risk of cognitive impairment and dementia that can severely impact quality of life. Cognitive symptoms include deficits in attention and mental flexibility, among others, and can pre-date the tremors and rigidity used to diagnose the disease.

Medical xPress 11 July at 06.50 AM

Coordinated activity of mossy cells contributes to encoding of spatial and contextual memories, study finds

The hippocampus is a crucial region in the brain of mammals, which has been predominantly linked to the formation of memories. The retrieval of memories stored in the hippocampus at a later stage relies on a process known as "pattern separation," which entails the separate processing of and encoding of similar memories.

Medical xPress 10 July at 04.00 PM

Models show promise in predicting cognitive decline in early Alzheimer's

A new study, published in the July 10 online issue of Neurology, looks at predicting how quickly people with early Alzheimer's disease will experience cognitive decline. The study also looked at how the new drugs recently approved for the disease may reduce decline.

Medical xPress 10 July at 02.30 PM

New material derived from graphene improves the performance of neuroprostheses

After an amputation or a severe nerve injury, patients lose to a greater or lesser extent the ability to move and feel a lost limb, which limits their autonomy in activities of daily living. Currently, the only strategy that allows recovery of the lost functions consists of neuroprostheses: electrodes capable of stimulating the nerves to induce specific sensations, and of recording motor signals

Medical xPress 10 July at 01.46 PM

Cognitive skills in early toddlerhood: Study demonstrates importance of 16-months

Toddlers engage more regions of their brains around 16-months to help them develop important cognitive skills, enabling them to follow simple instructions and control impulses. Findings from the study, led by the Universities of Bristol and Oxford, and published in Imaging Neuroscience, suggests 16 months is a critical period for brain development.

Medical xPress 10 July at 12.56 PM

Brain region involved in oxycodone relapse identified

Even years after they have recovered, a person who once struggled with alcohol or opioid addiction can relapse—and that relapse is more likely to occur during particularly stressful times.

Medical xPress 10 July at 12.54 PM

Research reveals exercise brain boost can last for years

A longitudinal study by University of Queensland researchers has found high-intensity interval exercise improves brain function in older adults for up to five years.

Medical xPress 10 July at 11.00 AM

Discovery could help reduce adverse side effects of popular next-generation obesity medications

The next chapter in the story of headline-making popular obesity drugs may center on the physiological relationship between feeling satisfied after a meal versus the neurological control of nausea. By teasing apart the therapeutic benefits from the adverse effects of these medications, researchers from the Monell Chemical Senses Center found a population of neurons in the brain that controls food

Medical xPress 09 July at 10.51 AM

Brain-computer interface therapy enhances hand mobility for stroke survivors, finds study

A personalized brain-computer interface therapy, RehabSwift, significantly enhances hand mobility for stroke survivors. Strokes often lead to impaired hand function, presenting substantial challenges in daily activities. Sam Darvishi and colleagues developed and tested a brain-computer interface therapy that translates imagined hand movements into real actions using a personalized algorithm and bi

Medical xPress 09 July at 10.05 AM

Researchers identify cause of serious brain bleeding condition in premature newborns

A recent study by investigators from Massachusetts General Hospital reveals insights that could lead to new treatments for a serious brain bleeding condition that's common in newborns with very low birth weight. The findings are published in Brain.

Medical xPress 09 July at 09.36 AM

Brain neurotransmitter receptor antagonist found to prevent opioid addiction in mice

New research led by UCLA Health has found a drug that treats insomnia works to prevent the addictive effects of the morphine opioids in mice while still providing effective pain relief.

Medical xPress 09 July at 07.21 AM

Beyond PMS: A poorly understood disorder means periods of despair for some women

For decades, a lack of investment in women's health has created gaps in medicine. The problem is so prevalent that, this year, President Joe Biden signed an executive order to advance women's health research and innovation.

Medical xPress 08 July at 04.49 PM

Erasing 'bad memories' to improve long term Parkinson's disease treatment

Common treatments for Parkinson's disease can address short-term symptoms, but can also cause extensive problems for patients in the long run. Namely, treatments can cause dyskinesia, a form of uncontrollable movements and postures.

Medical xPress 08 July at 01.05 PM

Brain-imaging study reveals curiosity as it emerges

You look up into the clear blue sky and see something you can't quite identify. Is it a balloon? A plane? A UFO? You're curious, right? A research team based at Columbia's Zuckerman Institute has for the first time witnessed what is happening in the human brain when feelings of curiosity like this arise.

Medical xPress 05 July at 11.19 AM

Nanoscopic motor proteins in the brain build the physical structures of memory, study finds

The puzzle of memory has intrigued philosophers and intellects for a very long time. Plato and Aristotle believed that memory was found only in the realm of the soul and the mind, but there was nothing corporeal or physical about it. Memory is closely tied to our sense of self and subjective experiences, but there are physical processes that are associated with remembering.

Medical xPress 05 July at 10.51 AM

Scientists map the distribution of lipids in the human brain

Scientists have found that 93% of the lipids in brain tissue are distributed differently in the white and gray matter, the subcortex, the visual and motor cortices, and the prefrontal cortex, which is responsible for decision-making, social behavior, and other functions.