Tag: memory

Weekly Neuroscience Update

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Cerebral networks and reciprocal connectivity between the cerebellum and cerebrum, supporting social and emotional learning. Credit: Nature Reviews Neuroscience (2024).

A recent publication in Nature Reviews Neuroscience sheds light on the often-overlooked role of the cerebellum in both motor and social-cognitive processes.

New research has shown that Alzheimer’s disease impacts the brain in two primary phases: an early, gradual phase that damages select cell types and a late phase marked by rapid, widespread damage as symptoms emerge.

Playing video games may boost your cognitive abilities and exercise can improve your mental health, but not the other way around, a large-scale study has found.

A large meta-analysis of over 600,000 people shows that experiencing loneliness significantly raises the risk of developing dementia by 31%. Researchers found that loneliness is a key factor in cognitive decline, contributing to conditions like Alzheimer’s disease, regardless of age or sex.

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.

A new study reveals that visual clutter alters how information flows between neurons in the brain’s primary visual cortex, but not the order in which it’s processed. Researchers found that the efficiency of information transfer changes depending on the location of clutter in the visual field.

An innovative study, published in Nature Communications, reveals the mechanism behind two seemingly contradictory effects of fear memories: the inability to forget yet the difficulty to recall.

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.

Women who began an aerobic exercise program during chemotherapy for breast cancer reported improved cognitive function and quality of life compared to those who received standard care. 

A new study 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 appointments.

Concussion researchers have recognized a new concussion sign that could identify up to 33% of undiagnosed concussions. 

In a study published in the journal Bilingualism: Language and Cognition, Concordia researchers use neuroimaging methods to examine brain resilience in regions of the brain linked to language and aging. They found that the hippocampus in bilinguals with Alzheimer’s disease was noticeably larger than those who were monolingual when matched for age, education, cognitive function and memory.

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 recent study.

New research shows that prolonged mental exertion weakens connectivity between the brain’s frontal and parietal lobes, impacting cognitive efficiency. However, the brain has built-in compensatory mechanisms that adjust neural connections to preserve function under fatigue.

Finally this week, cannabis use may lead to thinning of the cerebral cortex in adolescents, according to a recent study published in The Journal of Neuroscience.


Weekly Neuroscience Update

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Credit: The Journal of Physiology (2024). 

The team that first recorded vagus nerve signals in humans has now isolated the electrical activity of individual neurons responsible for cardiovascular regulation. Published in the Journal of Physiology, the Monash University-led discovery paves the way for more research into how and why cardiovascular disease develops.

New research reveals that dopamine is not directly responsible for the formation of placebo analgesia, contrary to previous beliefs.

Scientists have developed a new brain-mapping tool called START, which combines transcriptomics and viral tracing to map the connections between specific neuronal subtypes with unprecedented detail. This technology allows researchers to identify distinct patterns of connectivity in inhibitory neurons within the cerebral cortex, providing a blueprint of the brain’s circuits.

A new study has demonstrated that emotion enhances memory for contextual details, challenging the view that emotion impairs the ability to remember such information.

Researchers compared the diagnostic accuracy of GPT-4 based ChatGPT and radiologists using 150 brain tumor MRI reports. ChatGPT achieved 73% accuracy, slightly outperforming neuroradiologists (72%) and general radiologists (68%).

Deep brain stimulation may provide immediate improvement in arm and hand strength and function weakened by traumatic brain injury or stroke.

People with Parkinson’s disease (PD) who experience visual hallucinations have reduced brain responses to unexpected visual changes, a marker known as visual mismatch negativity (vMMN). Using EEG, researchers compared brain activity in PD patients with and without hallucinations and discovered that those with hallucinations showed weaker vMMN signals

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

New research has found that frequent consumption of fizzy drinks and fruit juice significantly increases the risk of stroke. The study, which analyzed data from nearly 27,000 participants across 27 countries, showed a 22% increased risk of stroke from drinking fizzy drinks, with the risk rising further with multiple servings per day. Additionally, drinking more than four cups of coffee daily raised stroke risk by 37%, while tea consumption was associated with a reduced stroke risk. 

New research shows that even pollution levels that are below government air-quality standards are associated with differences in children’s brains.

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.

A new study shows that brain synchronization between a neurotypical person and someone with autism is weaker compared to two neurotypical individuals interacting. Using EEG hyperscanning, researchers observed reduced inter-brain synchrony during hand movement imitation between mixed pairs, with autistic individuals more likely to follow than lead.

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

New evidence from the Centre for Healthy Brain Ageing indicates that older adults who experience a stroke for the first time will have substantial immediate and accelerated long term-cognitive decline. The new research, published in JAMA Network Open, looked at finding out exactly how a stroke impacts a person’s cognitive abilities.

A new study shows how individual brain cells in the hippocampus respond to pronouns.

Scientists are examining the brains of individuals with asymptomatic Alzheimer’s disease who, despite having amyloid plaque and tau buildup—the primary indicators of Alzheimer’s—did not show diagnosable dementia symptoms while alive. They’ve identified crucial mechanisms that may safeguard against cognitive decline in Alzheimer’s disease.

Finally this week, In a first-of-its-kind study, University of South Florida researchers are finding that music can help boost cognition in patients undergoing chemotherapy. 

Weekly Neuroscience Update

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Pupillary light reflex (PLR) assessment in open-eye and closed-eye conditions. Credit: Communications Medicine (2024).

A new technological advancement now enables researchers to observe changes in pupil size and gaze direction behind closed eyelids for the first time, using non-contact infrared imaging. This capability is expected to aid in identifying wakefulness states during sleep, anesthesia, and intensive care by monitoring pupil size variations. It could also be instrumental in gauging sedation levels, detecting seizures and nightmares, and acknowledging pain or responsiveness following trauma or within intensive care settings.

Neuroscientists have uncovered serotonin’s role in resilience.

A recent study using artificial intelligence has yielded a new understanding of how the brain anticipates future occurrences and processes data. It was found that the brain’s inherent activity, even in the absence of external stimuli, is crucial to our cognitive and emotional processes.

New research shows that varied cognitive training, rather than repetitive tasks, helps older adults improve working memory.

Scientists have mapped how propofol, a widely used anesthetic, alters brain connectivity to induce unconsciousness. Using fMRI, they found that propofol disrupts connections in the thalamus, reducing complex information processing and limiting sensory integration.

Research on older individuals indicates that vision impairment may be responsible for one in five dementia cases.

A new technology that 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.

Heat waves can worsen abnormal excitability of the brain in people with epilepsy, finds a new small-scale patient study.

Scientists 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.

New research identifies potential therapeutic target for amyotrophic lateral sclerosis (ALS).

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.

Researchers have published a novel study exploring the effects of delayed feedback on learning in individuals with moderate-to-severe traumatic brain injury (TBI).

A breakthrough in medical imaging is making it possible for researchers to observe brain activity during movement and pick up the early signs of disorders that affect brain-to-body coordination, such as Parkinson’s disease.

A new study investigated the origin of ataxia in the brain of patients with stroke and found a significant number of the stroke lesions in the patients were located outside the cerebellum.

Researchers 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.

Robotic ‘coaches’ aiding upper limb rehabilitation for stroke and brain injury survivors have been successfully trialed in Vienna, Austria.

Scientists have created a dynamic technique to monitor swift changes in brain activity, particularly those associated with cravings. This method differs from conventional neuroimaging by offering a continuous perspective on the variations in craving intensity. The research revealed that individuals with intense cravings tend to remain longer in brain states that intensify these cravings and do not activate the brain networks that could diminish them.

A recent study highlights the interaction between brain structure and social context, suggesting that some children are more vulnerable to social stressors than others.

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.

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

Researchers have investigated the correlations between outdoor nighttime light pollution and Alzheimer’s disease, finding that excessive light pollution may elevate the risk of Alzheimer’s, particularly in younger individuals.

Finally this week, 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. 

Weekly Neuroscience Update

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Credit: Frontiers in Human Neuroscience (2024)

Scientists have determined that more than 60% of people who contracted COVID-19 have neurological symptoms that impact their cognitive function and quality of life, even two and three years after COVID-19.

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

Exercising is healthy, but not always appealing. Now research 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.

Researchers have demonstrated that a simple blood test that reflects brain health can predict which people are most at risk of suffering a stroke.

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

A newly developed brain-computer interface translates brain signals into speech with up to 97% accuracy, making it the most precise system of its kind.

Researchers have discovered that spontaneous brain activity during early development drives neural wiring before sensory experiences shape the brain. This spontaneous activity in neurons strengthens connections, following Hebb’s rule, where “cells that fire together wire together.”

According to new research, cognitive impairments in psychotic disorders, such as schizophrenia and bipolar disorder, are linked to brain network organization. 

A recently published study has unveiled significant findings that could enhance brain-computer interface (BCI) technologies, marking a crucial step towards more intuitive neuroprosthetic control and advanced rehabilitation therapies.

Researchers have discovered that the hippocampus stores multiple copies of a single memory, each within different neuron groups that develop at different stages.

Scientists have developed a promising preventative therapeutic approach against Alzheimer’s disease, targeting the amyloid beta biomolecule that typically triggers nerve cell hyperactivity in the early stages of the brain disease.

A new study finds that COVID-19 proteins left in the brain may lower cortisol levels, leading to heightened inflammation and an exaggerated response to stressors.

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, 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.

A new machine learning model, AutMedAI, can predict autism in children under two with nearly 80% accuracy, offering a promising tool for early detection and intervention.

Researchers 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.

Contrary to previous research, a new study of female participants finds no link between migraine and the risk of developing Parkinson’s disease.

Children who have persistently raised inflammation are at a higher risk of experiencing serious mental health disorders including psychosis and depression in early adulthood, according to a study published today in JAMA Psychiatry.

Researchers have identified a link between brain overgrowth and the severity of social and communication symptoms in children with autism spectrum disorder. 

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. The discovery suggests a new avenue of research through which to seek Alzheimer’s treatment.

Scientists have discovered a new method to regulate the receptors responsible for the sense of touch, potentially leading to more effective treatments for chronic pain.

Researchers have found that nondeceptive placebos—placebos given with the full knowledge that they are placebos—can effectively manage stress, even when administered remotely. In a two-week randomized controlled trial, participants experiencing prolonged stress were divided into two groups: one group received nondeceptive placebos, while the other served as a control.

Return to work two years after a breast cancer diagnosis is associated with higher cognitive speed performance before and after treatment, according to a study published in JAMA Network Open.

Researchers have discovered a mutation in the SARS-CoV-2 spike protein that enhances its ability to infect the central nervous system, potentially explaining neurological symptoms and long COVID. The mutation was found to allow the virus to better infiltrate the brain, with implications for future treatments targeting COVID-19’s effects on the brain. 

Finally, this week, while everyone knows that a good night’s sleep restores energy, a new study finds it resets another vital function: memory.

Weekly Neuroscience Update

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Distribution of cholesterol in the human brain. Credit: Maria Osetrova

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.

Researchers have shown how glial cells are reprogrammed into neurons via epigenetic modifications.

Young adults who have higher levels of inflammation, which is associated with obesity, physical inactivity, chronic illness, stress and smoking, may experience reduced cognitive function in midlife, a new study has found.

A paper recently published in Nature Communications advances our understanding of how the brain responds to emotionally charged objects and scenes.

A new study finds that higher inflammation in young adulthood is associated with reduced cognitive function in midlife. Inflammation due to factors like obesity and smoking can impact memory and processing speed. This link, previously noted in older adults, now extends to early adulthood, suggesting long-term brain health effects. Reducing inflammation through lifestyle changes may help prevent cognitive decline.

Researchers have discovered why migraines are often one-sided, revealing that proteins released during aura are carried to pain-signaling nerves via cerebrospinal fluid.

A recent study has pinpointed brain regions associated with mood fluctuations and pleasure responses in bipolar disorder. The findings revealed that people with bipolar disorder show heightened activity in the ventral striatum during rewards, explaining extreme mood shifts.

In groundbreaking research, scientists have determined the structure of molecules within a human brain affected by Alzheimer’s disease. 

A global research team has discovered a gene whose variants potentially cause neurodevelopmental disorders (NDDs) in hundreds of thousands of people across the world. The findings published in Nature, are an exciting first step towards the development of future treatments for the disorders which have devastating impacts on learning, behavior, speech, and movement.

A longitudinal study has found that high-intensity interval exercise improves brain function in older adults for up to five years.

A new research collaboration has harnessed a powerful machine learning model to predict concussion status in patients.

A new study shows that human biases in handedness and visual field processing have social and cognitive implications. Researchers found that people with a reversed bias (left hand, right visual) are more likely to have social difficulties and conditions like autism or ADHD.

A recent study sheds light on how the brain adapts hearing in different listening situations.

Finally this week, 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.

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Credit: Science Translational Medicine (2024).

A large team of neuroscientists, biochemists and Alzheimer’s specialists affiliated with institutions in the U.S. and Iceland has created a protein map to look for patterns in cerebrospinal fluid that may serve as markers for the onset of Alzheimer’s disease decades before diagnosis.

How much trust should we put in our memories? New research shows we have a good awareness of when we are recalling events accurately—and when our brain is filling in gaps with general knowledge.

Researchers at the Perron Institute and The University of Western Australia have discovered a new set of cells that can protect blood vessel structure in the central nervous system (CNS) known as the blood-brain barrier. Their findings have been published in the journal Science Advances.

As temperatures rise, so do chances for migraine attacks, according to a new study.

Researchers have discovered how the brain prioritizes immediate and distant goals. Their study found that the hippocampus processes urgent goals faster and differently than future goals. This insight could help understand psychiatric disorders like depression, which affect goal-setting abilities. The findings reveal crucial differences in brain activity and behavior related to goal prioritization.

A new study has found multiple doses of anesthetics do not compromise brain function in young children. The research paper was published in The Lancet Respiratory Medicine.

A new slow-release ketamine tablet has shown potential in treating severe depression, offering a convenient and safe at-home alternative to existing treatments. In a randomized-controlled trial, patients on the highest dose of ketamine saw significant reductions in depression symptoms compared to placebo.

A pilot study shows promise for a new treatment option for individuals with memory impairments caused by multiple sclerosis (MS).

A new study reveals that mindfulness helps improve sleep quality and reduce stress by focusing on the present and minimizing negative thoughts. The study tracked 144 nurses over two weeks, highlighting how mindfulness influences emotion regulation and overall well-being.

Finally this week, scientists have identified a gene which, when missing or impaired, can cause obesity, behavioural problems and, in mothers, postnatal depression.

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Reading Pleasure and Pain from the Brain

Functional brain networks that are connected to the affective intensity and valence information. Left: The affective valence information is connected to the limbic and default mode networks, and the affective intensity information is connected to the ventral attention network. Right: The probability that the affective intensity and valence is connected to each of seven functional brain networks. Credit: Proceedings of the National Academy of Sciences (2024).

A team of researchers has revealed how the brain processes emotional information of sustained pain and pleasure.

Scientists have uncovered the inner relay of a molecular switch that protects the brain against the development of Parkinson’s disease. The research provides new potential strategies to develop drugs that may benefit patients with Parkinson’s.

Brain-to-brain technology boosts brain-computer interface performance, a new study demonstrates.

Researchers have identified, for the first time, disease-specific reduction in emotional expressivity in Lewy body dementia by quantifying vocal expression of emotions using deep neural network techniques. This reduction in vocal emotional expressions was associated with cognitive impairment and specific brain region atrophy and could serve as a distinguishing factor for individuals with Lewy body dementia.

A new study finds the timing of brain waves shapes the words we hear.

New research has given a precise picture of young children’s developing brains, using a wearable brain scanner to map electrical brain activity. The work opens up new possibilities for tracking how critical developmental milestones, like walking and talking, are underpinned by changing brain function, and how neurodevelopmental conditions like autism emerge.

A new AI technique can identify seizure types, including rare forms of epilepsy.

A new study reveals that a poor quality diet may lead to brain changes associated with depression and anxiety. Researchers found that unhealthy eating habits reduce grey matter and alter neurotransmitter levels in the brain.

Research sheds new light on the contribution of dopamine to reinforcement learning.

A new study uncovered neural mechanisms used in planning, revealing an interplay between the prefrontal cortex and hippocampus. The study shows how the brain imagines future outcomes to guide decisions.

Losing the ability to smell properly—a common sensory deficit as people age—may help predict or even contribute to the development of heart failure, new research suggests.

A new study reveals that the main psychoactive component in cannabis or marijuana disrupts the normal connections and activity of the brain’s prefrontal cortex, a region that is crucial for decision-making and self-control.

Finally this week, people tend to underutilize their visual working memory rather than maxing out its capabilities according to new research.

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 Credit: Radiological Society of North America

Low-level light therapy appears to affect healing in the brains of people who suffered significant brain injuries, according to a study published in Radiology.

An international team of clinicians and neuroscientists has published a new perspective on the process of neurodegeneration. Their findings review evidence for a mechanism upstream of amyloid including the key neurochemical driving this process.

A new study reveals the brain mechanisms behind speech impairment in Parkinson’s disease.

Researchers designed and implanted a transparent window in the skull of a patient, then used functional ultrasound imaging to collect high-resolution brain imaging data through the window. Their preliminary findings, published in Science Translational Medicine, suggest that this sensitive, non-invasive approach could open new avenues for patient monitoring and clinical research, as well as broader studies of how the brain functions.

New research finds that reports of cognitive decline from patients and their partners are linked to the accumulation of tau tangles, a hallmark of Alzheimer’s disease.

A new study finds a link between a diet high in ultra-processed foods and an increased risk of cognitive impairment and stroke. This association was particularly pronounced among Black participants. While more research is needed, the findings highlight the potential impact of food processing on brain health.

New research has found a distinct relationship between sleep duration, social media usage, and brain activation across brain regions that are key for executive control and reward processing.

For patients with chronic migraine, nerve decompression surgery effectively reduces the number of headache days—the outcome measure preferred by neurologists—along with other measures including the frequency and intensity of migraine attacks, reports a study in the June issue of Plastic and Reconstructive Surgery.

A new study uncovers a key biological process targeted by SSRIs, suggesting new clinical applications.

Researchers have reported that patients with Parkinson’s disease exhibiting sympathetic denervation in the major salivary glands and the heart tend to have more advanced non-motor symptoms as they age, suggesting that age plays an important role in disease progression.

An international study, published in Nature Communications, may facilitate the creation of new personalized treatments for people diagnosed with schizophrenia. 

A World Health Organization-commissioned systematic review finds that radio wave exposure from mobile phones does not affect learning, memory, attention span and other cognitive functions like coordination.

Researchers have leveraged the power of artificial intelligence analytical models to match a patient’s medical history to the most effective antidepressant, allowing patients to find symptom relief sooner.

A new study finds a strong association between teen cannabis use and a significantly increased risk of developing psychotic disorders. This risk appears to be age-dependent, with adolescents being particularly vulnerable to the effects of cannabis on their developing brains. While further research is needed, these findings raise concerns about early cannabis use and highlight the importance of prevention strategies.

Does sleep clear more toxins from the brain than when we’re awake? The latest research casts doubt on the theory.

A new study finds that urolithin A, a substance found in pomegranates, can improve memory and may help treat Alzheimer’s disease. This natural compound works by removing damaged mitochondria from the brain, similar to the effects of NAD supplements. While dosage is still being determined, this discovery offers promising potential for treating and preventing neurodegenerative diseases.

Finally this week, our willingness to help others is governed by a specific brain region pinpointed by researchers in a study of patients with brain damage to that region.

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Credit: Nature Neuroscience(2024).

Researchers at University of Cambridge and other institutes worldwide recently carried out a study that linked gene expression in healthy brains to the imaging, transcriptomics and genetics of autism spectrum disorder and schizophrenia. Their paper, published in Nature Neuroscience, unveiled three distinct spatial patterns of cortical gene expression each with specific associations to autism and schizophrenia

A study published in the Journal of the American College of Cardiology suggests that physical activity may reduce cardiovascular disease risk by lowering stress-related brain activity.

A team of researchers at Baylor College of Medicine and Yale University incorporated generative artificial intelligence (AI) to create a foundational model for brain activity. The Brain Language Model (BrainLM) was developed to model the brain in silico and to determine how brain activities are related to human behavior and brain diseases.

Using MRI, engineers have found a way to detect light deep in the brain.

Stressful life events, such as the death of a loved one or divorce, put a person at greater risk of developing dementia in later life, a recent study has found. But only if the stressful event happened in childhood or midlife.

Our brains process odours differently depending on the names assigned to them, according to new research. 

People with neurological disease have a greater chance of death after contracting COVID-19, according to a new study. The research also confirms a higher risk of developing new neurological disorders after COVID infection.

Children who experience chronic lack of sleep from infancy may be at increased risk of developing psychosis in early adulthood, new research shows. 

A team of brain specialists at the California Institute of Technology has developed a brain–computer interface approach to decode words “spoken” entirely in the brain by recording signals from individual neurons in real time.

A new study shows that the cerebellum is involved in processing emotions, with implications for ataxia care.

A research team has revealed the link between the frequency of sleep apnea events during the rapid-eye-movement stage and the severity of verbal memory impairment in older adults at risk for Alzheimer’s disease. Verbal memory refers to the cognitive ability to retain and recall information presented through spoken words or written text and is particularly vulnerable to Alzheimer’s.

Results from a recent neuroplasticity study show how singing rehabilitates speech production in post-stroke aphasia.

For the first time, researchers have succeeded in explaining the propagation of traveling waves of activity in the human brain using a computer simulation. Previous studies indicate that these waves are important for various cognitive functions such as memory.

A new publication in Scientific Reports unveils a promising non-opioid pain treatment.

Repeated blows to the heads of football players can damage the small blood vessels of the brain, according to research by scientists who believe this damage may contribute to brain dysfunction in some athletes years after play has ended.

New research has shed light in the complex interplay between cell proteins, and how they impact on neurons in neurodevelopmental disorders and Alzheimer’s disease.

Artificial intelligence (AI) computer programs that process MRI results show differences in how the brains of men and women are organized at a cellular level, a new study shows. These variations were spotted in white matter, tissue primarily located in the human brain’s innermost layer, which fosters communication between regions.

Finally, this week, climate change, and its effects on weather patterns and adverse weather events is likely to negatively affect the health of people with brain conditions.

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Variant definition, splitting and classification as border or ectopic. Credit: Nature Neuroscience (2024)

A new study has revealed brain differences that may explain why humans demonstrate a variety of cognitive abilities and behaviors. The research shows that two forms of individual differences may predict cognitive abilities, explain behavioral differences and even pinpoint biomarkers of brain disease.

A team of neuroscientists has found that so-called superagers maintain memory as they grow older because they do not experience a decline in the integrity of their white brain matter.

Researchers have developed an artificial intelligence technique that can effectively estimate an individual’s brain age based on electroencephalogram (EEG) brain scans. The technology could help to make early, regular screening for degenerative brain diseases more accessible.

A simple blood test could allow doctors to determine whether a person may be at higher risk for stroke or cognitive decline during their lifetime, according to a new study.

A brief episode of anger triggered by remembering past experiences may negatively impact the blood vessels’ ability to relax, which is essential for proper blood flow, according to new research published in the Journal of the American Heart Association.

Using neuroimaging, researchers have identified a brain network crucial to human consciousness. 

An individual’s experience of pain from medical treatment can be heightened by witnessing other people’s responses to the same treatment, with this negative experience subsequently spreading to others, scientists have discovered.

Listening to music benefits older adults’ cognitive health, even if it’s music they haven’t heard before or don’t enjoy very much, according to a new study.

Researchers have found a way to better control the preclinical generation of key neurons depleted in Parkinson’s disease, pointing toward a new approach for a disease with no cure and few effective treatments.

An international research team led by Karolinska Institutet has mapped the early genetic development of the brain and can now present an atlas of embryonic development between weeks 6 and 13.

Researchers have identified a key mechanism in brain stem cells that prevents identity conflicts during gene expression. This mechanism allows the cells to retain stemness while being primed for neuronal differentiation. The discovery includes finding that keeping neuronal gene messengers within the nucleus, while allowing stem cell gene messengers to be translated, avoids premature differentiation.

A new study demonstrates the potential of virtual reality in treating major depressive disorder.

Exercise prompts muscles to release molecular cargo that boosts brain cell function and connection, but the process is not well understood. Now new research has found that the nerves that tell muscles to move also prompt them to release more of the brain-boosting factors.

A pattern of brain activity that helps prevent us from getting lost has been identified in a new study, published in Nature Human Behaviour.

A new study highlights a novel mechanism of brain plasticity involving chondroitin sulfate clusters outside nerve cells. Researchers identified these cartilage-like structures as crucial for the brain’s ability to adapt and store information.

Finally this week, a new computer model may have cracked the code on helpful memory cues.