Weekly Neuroscience Update

A) Illustration of the experimental design. B) Averaged power spectra and time–frequency representations (TFR) were extracted from two regions of interest. Credit: Imaging Neuroscience (2025)

Using a custom-built tool to analyze the electrical activity from neurons, researchers have identified a brain-based biomarker that could be used to predict whether mild cognitive impairment will develop into Alzheimer’s disease.

New research reveals neurocognitive correlates of testosterone in young men that shape generosity and self-worth.

By understanding differences in how people’s brains are wired, clinicians may be able to predict who would benefit from a self-guided anxiety care app, according to a new analysis from a clinical trial led by Weill Cornell Medicine and NewYork-Presbyterian investigators.

Novel imaging research indicates that young adults with a higher genetic risk for depression showed less brain activity in several areas when responding to rewards and punishments.

A new study reveals that long-term adaptive cycling can measurably reshape brain signals in people with Parkinson’s Disease, offering clues into how exercise relieves motor symptoms. Researchers used deep brain stimulation (DBS) implants to track neural activity before and after 12 sessions of dynamic cycling.

Scientists bring us closer to understanding how the body detects different sensations such as pain, itch, and touch.

A recent genetic study has identified neurological mechanisms as key drivers of chronic cough. The findings significantly advance our biological understanding of the condition, shedding light on potential avenues for new treatments.

A large-scale analysis of health records reveals that subtle signs of multiple sclerosis (MS) may appear more than a decade before diagnosis.

In a discovery that could guide the development of next-generation antidepressants and antipsychotic medications, researchers have developed new insights into how a critical brain receptor works at the molecular level and why that matters for mental health treatments.

Finally, this week, new research has found stress-controlling brain cells switch on and off in a steady rhythm about once every hour—even when nothing stressful is happening.

Weekly Neuroscience Update

Researchers at King’s College London have found that exposure to higher levels of air pollution during midlife is associated with slower processing speed, lower scores on a cognitive screening tool, and differences in brain structure later in life.

People who use psychedelic substances may think about themselves in a different way — not just psychologically, but also neurologically.

A large Danish study shows that most mental illnesses—like schizophrenia, bipolar disorder, and depression—occur in people with no close family history of the condition. Analyzing data from over 3 million individuals, researchers found that while heredity increases risk, most diagnosed individuals do not have affected relatives.

Living through the Covid-19 pandemic may have accelerated brain ageing, even in people who were never infected, a new study finds.

Scientists developed a computational “aging clock” that measures the biological age of brain cells and identifies compounds with rejuvenating potential. By analyzing gene activity from healthy and neurodegenerative brain tissue, they pinpointed 453 interventions predicted to reverse cellular aging.

Adolescents who use e-cigarettes or conventional tobacco products are significantly more likely to report symptoms of depression and anxiety than non-users, according to a recent study.

For the first time, researchers have identified what happens in neural networks deep within the brain during obsessive thoughts and compulsive behaviours. Using electrodes implanted in the brain, they observed how specific brain waves became active. These brain waves serve as a biomarker for obsessive-compulsive disorder (OCD) and are an important step towards more targeted treatments.

In a breakthrough that reimagines the way the gut and brain communicate, scientists have uncovered what they call a “neurobiotic sense.”

A new study reveals that a brain circuit driving negative emotions during cocaine withdrawal plays a key role in relapse. Researchers found that this “anti-reward” network becomes hyperactive during abstinence, amplifying distress and pushing users back toward the drug.

Researchers have made a significant breakthrough in understanding how the human brain forms, stores and recalls visual memories.

A new study finds that inflammation affects how cannabis impacts anxiety and sleep quality. Researchers observed no significant changes in inflammation levels after 4 weeks of cannabis use, but initial inflammation influenced the results.

Finally, this week, Alzheimer’s disease spreads unevenly through the brain, and novel mathematical modelling may help explain why.

Weekly Neuroscience Update

Experimental design, ripple detection, and ripple properties. Credit: Nature Communications (2025)

A research team has identified, for the first time in humans a key neurophysiological mechanism in memory formation: ripple-type brain waves—high-frequency electrical oscillations that mark and organize the different episodes or fragments of information that the brain stores as memories.

Scientists have discovered how a key protein helps maintain strong connections between brain cells that are crucial for learning and memory.

New research shows that signs of Alzheimer’s disease can already be detected in the blood of people as young as their 40s. Finnish scientists found elevated Alzheimer’s-related biomarkers in middle-aged adults, especially among those with maternal history or kidney disease.

A new study questions whether playing youth football leads to harmful protein buildup in the brain.

Receiving six or more prescriptions of the drug gabapentin for low back pain is associated with significantly increased risks of developing dementia and mild cognitive impairment, finds a large medical records study.

A large genetic study reveals that cannabis use disorder is strongly linked to increased risk for multiple psychiatric disorders, including depression, PTSD, ADHD, and schizophrenia.

A common sugar substitute, erythritol, widely used in “sugar-free” and low-carb products, may increase stroke risk by damaging brain blood vessel cells. A new study found that erythritol exposure reduced nitric oxide, increased vessel constrictors, impaired clot-busting abilities, and boosted free radical production in these cells.

Finally, this week, neuroscientists have discovered a signature ‘wave’ of activity as the brain awakens from sleep.

Weekly Neuroscience Update

Credit: Biological Psychiatry / Hannon et al.

A novel study aimed at disentangling the neurological underpinnings of depression shows that multiple brain profiles may manifest as the same clinical symptoms, providing evidence to support the presence of both one-to-one and many-to-one heterogeneity in depression. The findings of the study in Biological Psychiatry, highlight the layered and complex interactions between clinical symptoms and neurobiological sources of variation.

New research shows that babies as young as eight months can flexibly adapt their learning strategies to changing environments.

Brain networks responsible for sensing, understanding, and responding emotionally to pain develop at different rates in infants, with the conscious understanding of pain not fully developed until after birth, finds a new study.

People living with autoimmune diseases face nearly twice the risk of developing persistent mental health disorders like depression, anxiety, and bipolar disorder, according to a massive UK-based study.

New research shows that individuals with higher cognitive ability have stronger, more flexible synchronization of brain rhythms—specifically theta waves—in the midfrontal region during mentally demanding tasks. These neural signals coordinate dynamically, especially during moments of decision-making, allowing people to maintain focus and adapt more quickly to changing rules. 

A recent study leveraged machine learning to identify the key lifestyle and health factors influencing cognitive performance throughout life.

New research reveals that autism and congenital heart disease may share a common biological basis—tiny cellular structures called cilia. Scientists found that mutations in genes affecting cilia formation disrupt both brain and heart development, helping explain why the two conditions often co-occur.

Researchers have identified a novel gene associated with neurodevelopmental disorders and epilepsy.

A first-of-its-kind clinical trial shows that ketamine treatment for severe, treatment-resistant depression is significantly more effective when paired with psychotherapy and supportive environments. Patients who underwent this combined treatment reported a 30% drop in depression symptoms, with reduced anxiety and suicidal thoughts lasting at least eight weeks.

A crucial link between the brain’s cleaning system and deterioration of neurons associated with Alzheimer’s disease has been discovered.

In a study published in Science Advances, researchers reveal that our bodies respond to acute (short‑term) and chronic (long‑lasting) pain in surprisingly different ways at the cellular level. Their discovery sheds new light on how pain becomes chronic—and opens the door to better‑targeted treatments.

A paper published in the Cochrane Database of Systematic Reviews has found that virtual reality (VR), when used in addition to standard therapy, can help stroke survivors regain arm movement.

Researchers investigating post-traumatic stress disorder (PTSD) at the single-cell level, aiming to understand how cellular communication may be disrupted in affected brains. They found impaired signaling in inhibitory neurons in PTSD, potentially explaining hyperarousal symptoms, and opposing patterns of microglial activity in PTSD versus depression. Vascular endothelial cells in PTSD brains also showed signs of dysfunction, possibly increasing stress hormone exposure.

A recent study shows that individual neurons in the hippocampus can respond to both slow and fast brain waves at the same time by switching between different firing modes.

For the first time, scientists using cryo-electron microscopy have discovered the structure and shape of key receptors connecting neurons in the brain’s cerebellum, which is located behind the brainstem and plays a critical role in functions such as coordinating movement, balance and cognition.

In a paper published in the journal Nature Communications, biomedical engineers have shown how two brain regions quickly adapt to shift focus from one planned destination to another.

A new neuroimaging study has identified distinct structural brain differences in individuals with psychopathy, particularly those with high antisocial traits. Reduced volumes were found in subcortical and cortical areas involved in emotion, decision-making, and social behavior.

Groundbreaking research has identified a new brain protein involved in the development of Parkinson’s disease and a way to modify it, paving the way for future treatments for the disease.

Living in disadvantaged neighborhoods may increase the risk of Alzheimer’s disease by elevating biomarkers associated with inflammation and neurodegeneration. A long-term study of 334 older adults found higher levels of tau and YKL-40, biomarkers linked to Alzheimer’s and brain inflammation, in people from less advantaged areas.

Psychosis may start not with hallucinations, but with subtle motor changes like reduced grip strength according to a new study.

In experiments with healthy volunteers undergoing functional MRI imaging, scientists have found increased activity in two areas of the brain that work together to react to, and possibly regulate, the brain when it’s “feeling” tired and either quits or continues exerting mental effort.

Finally, this week, newborn babies and patients with Alzheimer’s disease share an unexpected biological trait: elevated levels of a well-known biomarker for Alzheimer’s, as shown in a recent study.

Weekly Neuroscience Update

Overview of experimental paradigm and analysis. Credit: Science Advances

A recent study has shown that the hippocampus sends signals to the visual cortex to predict what we are about to see.

Researchers have achieved a significant milestone in the treatment of depression, demonstrating the effectiveness of personalized transcranial magnetic stimulation (TMS) therapy offering a new treatment option for people who have had little success with other therapies.

A large study suggests that following the MIND diet—rich in leafy greens, berries, nuts, and olive oil—significantly reduces the risk of Alzheimer’s and related dementias.

New research finds that patients with insomnia often retain accurate sleep-wake perception and intact regulatory systems, despite feeling as though they sleep poorly. Using serial awakenings during sleep lab monitoring, researchers found no significant difference in sleep perception between healthy individuals and those with insomnia.

A recent study has found that physical exercise helps maintain brain size as we age, regardless of body mass.

Emerging research indicates that psychedelics such as psilocybin don’t just change brain activity; they also modify the communication network between the brain and the immune system. Scientists have pinpointed a mechanism where persistent stress interferes with signals from the amygdala, setting off immune reactions that amplify feelings of fear and anxiety.

A large study suggests that following the MIND diet—rich in leafy greens, berries, nuts, and olive oil—significantly reduces the risk of Alzheimer’s and related dementias. 

By pinpointing hospitalized patients at high risk for delirium, an artificial intelligence (AI) model has quadrupled the rate at which the condition is both detected and treated. The model’s alerts prompt a dedicated team to assess these patients and implement a treatment plan if needed, leading to significantly better outcomes.

Areas of the brain that help a person differentiate between what is real and what is imaginary have been uncovered in a recent study.

A new predictive model combining genetics with developmental milestones may help forecast which autistic children are at risk of developing intellectual disabilities. In a large study of over 5,600 children, researchers were able to correctly predict 10% of such cases and differentiate between low and high-risk groups twice as well as current methods.

New research finds that elevated cortisol levels in midlife are linked to increased brain amyloid deposition—a key marker of Alzheimer’s disease—specifically in post-menopausal women

Scientists explored the associations between telomere length—which decreases as a person ages or is exposed to unhealthy environments—and the risk for age-related brain diseases and found evidence suggesting that healthier lifestyle choices could mitigate telomere length-associated risks.

Finally this week, greater symptoms of depression are linked to less microbial diversity in the mouth, according to a recent study.

Weekly Neuroscience Update

A new study that is the first to compare inflammation and brain stress responses in long COVID-19 patients with individuals who have fully recovered shows that those with continued brain fog and other cognitive issues have a lower ability to adapt to stress and higher levels of inflammation in their brains.

Researchers have identified a remarkably small but critical piece of genetic code that helps determine how brain cells connect, communicate, and function. 

Conditions such as Tourette syndrome (TS), schizophrenia, and attention-deficit/hyperactivity disorder (ADHD) have sex differences with unknown mechanisms. These sex-specific mechanisms may inform the development of more effective treatments.

A new study reveals that type 2 diabetes is associated with thinning of the brain’s cortex in older adults, particularly in regions responsible for memory and cognition. 

Specific cannabinoids produced by the human body may help to quell excessive fear responses in people with post-traumatic stress disorder and anxiety, according to a Northwestern Medicine-led study published in the Journal of Clinical Investigation.

People taking antidepressants for more than two years are more likely to experience withdrawal symptoms compared to short-term users when they come off the medication, finds a new study.

Researchers have identified nine blood-based microRNAs that are elevated in teens diagnosed with depression, offering a potential biomarker for early detection. These molecules, absent in adult depression, may signal unique biological processes in adolescents.

People who have obstructive sleep apnea may have an increased risk of dementia if left untreated, according to a new study of UK electronic health care records.

New research reveals that acute stress can impair key brain functions involved in emotion regulation, particularly in individuals with distress-related disorders like depression, anxiety, and borderline personality disorder. The study found that executive functions—such as working memory, impulse control, and cognitive flexibility—are more likely to be disrupted in these individuals during high-stress moments.

A large-scale study of over 2,500 toddlers found no significant clinical differences in autistic traits between males and females at the time of early diagnosis.

A research team has uncovered the cause and molecular mechanism of chronic brain inflammation that results in repetitive behavioural disorders. The research team demonstrated that an inflammatory response by immune cells in the brain induces overactivity in certain receptors, which may, in turn, lead to the meaningless repetitive behaviours observed in people with autism spectrum disorder (ASD) and obsessive-compulsive disorder (OCD).

Measuring the interaction of brain networks could help identify teens at risk for dangerous drinking, according to a novel study that explored how brain signals relate to future drinking behaviour.

In a demographically diverse sample of healthy people, researchers found dramatic changes over the human lifespan in the brain’s “blue spot”—a tiny region involved in cognition and believed to be the first affected by neurodegenerative conditions including Alzheimer’s disease.

Researchers at Karolinska Institutet have identified three types of nerve cells connected to the intestinal villi, suggesting that previously unknown neural networks regulate fluid balance in the gut.

A study in rural China found that intensively lowering blood pressure significantly reduces the risk of dementia and cognitive decline in people with hypertension. Over 48 months, patients who received targeted care saw a 15% reduction in dementia and a 16% drop in cognitive impairment risk.

A new adaptive brain modeling framework offers fresh hope for objective diagnosis of neuropsychiatric disorders, which currently lack reliable neuroimaging biomarkers. 

People who naturally stay up late, are more likely to experience faster cognitive decline than those who are early risers, according to a long-term study. Researchers found that unhealthy behaviors common in the evening, such as poor sleep, smoking, and drinking, may explain part of this risk.

A comprehensive new analysis reveals that depression significantly increases the risk of developing dementia, whether it begins in midlife or later in life.

Researchers have discovered how an ion channel in the brain’s neurons has a kind of “molecular memory,” which contributes to the formation and preservation of lifelong memories. The researchers have identified a specific part of the ion channel at which new drugs for certain genetic diseases could be targeted. The study, led by Linköping University in Sweden, has been published in Nature Communications.

A decade-long brain health study has released its full dataset, offering rare longitudinal insights into how cognition and brain structure change across adulthood.

Neuroscientists have discovered that the brain uses a dual system for learning through trial and error. This is the first time a second learning system has been identified, which could help explain how habits are formed and provide a scientific basis for new strategies to address conditions related to habitual learning, such as addictions and compulsions.

Finally, this week, parental education may protect offspring’s cognitive health later in life, according to a study published online May 30 in JAMA Network Open.

Weekly Neuroscience Update

A new study that is the first to compare inflammation and brain stress responses in long COVID-19 patients with individuals who have fully recovered shows that those with continued brain fog and other cognitive issues have a lower ability to adapt to stress and higher levels of inflammation in their brains.

Researchers have identified a remarkably small but critical piece of genetic code that helps determine how brain cells connect, communicate, and function. 

Conditions such as Tourette syndrome (TS), schizophrenia, and attention-deficit/hyperactivity disorder (ADHD) have sex differences with unknown mechanisms. These sex-specific mechanisms may inform the development of more effective treatments.

A new study reveals that type 2 diabetes is associated with thinning of the brain’s cortex in older adults, particularly in regions responsible for memory and cognition. 

Specific cannabinoids produced by the human body may help to quell excessive fear responses in people with post-traumatic stress disorder and anxiety, according to a Northwestern Medicine-led study published in the Journal of Clinical Investigation.

People taking antidepressants for more than two years are more likely to experience withdrawal symptoms compared to short-term users when they come off the medication, finds a new study.

Researchers have identified nine blood-based microRNAs that are elevated in teens diagnosed with depression, offering a potential biomarker for early detection. These molecules, absent in adult depression, may signal unique biological processes in adolescents.

People who have obstructive sleep apnea may have an increased risk of dementia if left untreated, according to a new study of UK electronic health care records.

New research reveals that acute stress can impair key brain functions involved in emotion regulation, particularly in individuals with distress-related disorders like depression, anxiety, and borderline personality disorder. The study found that executive functions—such as working memory, impulse control, and cognitive flexibility—are more likely to be disrupted in these individuals during high-stress moments.

A large-scale study of over 2,500 toddlers found no significant clinical differences in autistic traits between males and females at the time of early diagnosis.

A research team has uncovered the cause and molecular mechanism of chronic brain inflammation that results in repetitive behavioural disorders. The research team demonstrated that an inflammatory response by immune cells in the brain induces overactivity in certain receptors, which may, in turn, lead to the meaningless repetitive behaviours observed in people with autism spectrum disorder (ASD) and obsessive-compulsive disorder (OCD).

Measuring the interaction of brain networks could help identify teens at risk for dangerous drinking, according to a novel study that explored how brain signals relate to future drinking behaviour.

In a demographically diverse sample of healthy people, researchers found dramatic changes over the human lifespan in the brain’s “blue spot”—a tiny region involved in cognition and believed to be the first affected by neurodegenerative conditions including Alzheimer’s disease.

Researchers at Karolinska Institutet have identified three types of nerve cells connected to the intestinal villi, suggesting that previously unknown neural networks regulate fluid balance in the gut.

A study in rural China found that intensively lowering blood pressure significantly reduces the risk of dementia and cognitive decline in people with hypertension. Over 48 months, patients who received targeted care saw a 15% reduction in dementia and a 16% drop in cognitive impairment risk.

A new adaptive brain modeling framework offers fresh hope for objective diagnosis of neuropsychiatric disorders, which currently lack reliable neuroimaging biomarkers. 

People who naturally stay up late, are more likely to experience faster cognitive decline than those who are early risers, according to a long-term study. Researchers found that unhealthy behaviors common in the evening, such as poor sleep, smoking, and drinking, may explain part of this risk.

A comprehensive new analysis reveals that depression significantly increases the risk of developing dementia, whether it begins in midlife or later in life.

Researchers have discovered how an ion channel in the brain’s neurons has a kind of “molecular memory,” which contributes to the formation and preservation of lifelong memories. The researchers have identified a specific part of the ion channel at which new drugs for certain genetic diseases could be targeted. The study, led by Linköping University in Sweden, has been published in Nature Communications.

A decade-long brain health study has released its full dataset, offering rare longitudinal insights into how cognition and brain structure change across adulthood.

Neuroscientists have discovered that the brain uses a dual system for learning through trial and error. This is the first time a second learning system has been identified, which could help explain how habits are formed and provide a scientific basis for new strategies to address conditions related to habitual learning, such as addictions and compulsions.

Finally, this week, parental education may protect offspring’s cognitive health later in life, according to a study published online May 30 in JAMA Network Open.

Weekly Neuroscience Update

The analysis pipeline of the study, with select figures created using BioRender. Credit: Nature Communications (2025)

Scientists have developed a novel, detailed map at the subcellular level of a brain region frequently impacted by Alzheimer’s disease. This groundbreaking achievement represents a significant advancement in understanding the mechanisms underlying the development of this neurodegenerative condition.

New research shows that AI can identify complex regional pain syndrome (CRPS) with over 90% accuracy by analyzing gut microbiome patterns. 

Mindfulness exercises paired with music were found to engage both neural and cardiac systems, potentially reducing symptoms of anxiety and depression. A recent study showed that live and virtual music mindfulness sessions lowered stress and altered states of consciousness, though only live sessions fostered social connection.

A long-term study shows that teenagers who maintain or increase physical activity levels are less likely to develop symptoms of depression.

Researchers have developed a brain-computer interface (BCI) that enables computer cursor control and clicking, using neural signals from the speech motor cortex. One participant with amyotrophic lateral sclerosis (ALS) used the interface for daily life activities, including independent control of a personal desktop computer and text entry.

New research shows that targeting emotional processing is key to treating and managing chronic pain.

In a first-of-its-kind clinical study, researchers have shown that patients with treatment-resistant PTSD were symptom-free up to six months after completing traditional therapy paired with vagus nerve stimulation (VNS).

Scientists using living human brain tissue have shown for the first time how a toxic form of a protein linked to Alzheimer’s can stick to and damage the connections between brain cells.

People whose biological age is higher than their chronological age may be more likely to develop dementia than people whose biological age matches or is lower than their chronological age, according to a study published online in Neurology. Biological age is based on biomarkers of aging such as lung function, blood pressure and cholesterol.

A recent study reveals that oxygen tension elevation during weeks four to six promotes neurogenesis in brain organoids, regulated by neuroglobin. The research is published in Science Advances.

Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain’s small blood vessels, according to a study published in Neurology.

A new theory suggests that psychedelics promote empathy, insight, and psychological flexibility by making the brain’s right hemisphere temporarily dominant over the left. 

A revolutionary microscopy method called LICONN enables scientists to reconstruct brain tissue and map synaptic connections using standard light microscopes. By embedding brain tissue in hydrogel, expanding it, and imaging at nanoscale resolution, researchers achieve a detailed view of neuronal architecture previously only possible with electron microscopy.

A new music therapy-based tool called MuSICCA may transform how healthcare teams assess consciousness in children with severe brain injuries. 

Research from Emory University has identified a biological connection between inflammation and deficits in motivation in individuals with schizophrenia, offering new hope for treating symptoms that have long been resistant to existing therapies.

A Yale-led study shows that the senses stimulate a region of the brain that controls consciousness—a finding that might inform treatment for disorders related to attention, arousal, and more.

Finally this week, a new study has debunked the common myth that autistic people are less effective communicators than non-autistic individuals. Researchers found no difference in how well information was shared between autistic-only, non-autistic-only, or mixed groups.

Weekly Neuroscience Update

Credit: Nature Mental Health (2025)

Pioneering research has identified the brain mechanisms that enable psychosis to remit. These findings could significantly inform the development of novel intervention strategies for patients with psychosis.

Contrary to fears of “digital dementia,” new research finds that using digital technology is linked to a reduced risk of cognitive decline in older adults. A large-scale meta-analysis of over 400,000 participants revealed that digital engagement correlates with a 58% lower risk of cognitive impairment.

A simple method of brain stimulation has been shown to change how people make decisions. These were the findings of a new study published in the Journal of Cognitive Neuroscience.

A team of researchers has identified the key brain regions that are essential for logical thinking and problem solving. The findings help to increase our understanding of how the human brain supports our ability to comprehend, draw conclusions, and deal with new and novel problems—otherwise known as reasoning skills.

Medial temporal lobectomy is effective in improving seizure outcomes among patients with drug-resistant temporal lobe epilepsy, according to a recent study.

New research links fatty, sugary diets to impaired brain function. The findings build on a growing body of evidence showing the negative impact of high-fat, high-sugar (HFHS) diets on cognitive ability, adding to their well-known physical effects.

A recent study reveals that the basolateral amygdala plays a key role in calibrating prosocial behavior based on emotional closeness.

New research reveals that gut imbalances in children with autism may influence brain activity and behaviour by disrupting the production of key neurotransmitters like serotonin. Scientists found that changes in gut-derived metabolites are linked to differences in brain structure and function in children with autism.

Chronic pain is closely intertwined with depression. Individuals living with pain’s persistent symptoms may be up to four times more likely to experience depression according to a new study.

Our brains can adapt to filter out repeated distractions, according to a new EEG study. Participants learned to ignore frequent visual distractions, such as a red shape in the same location, while searching for a target.

Repetitive transcranial magnetic stimulation is showing promise in Alzheimer’s treatment.

A new international study reveals a possible connection between GLP1 receptor agonists—used in drugs like Ozempic—and increased risk of depression and suicidal ideation, especially in people with low dopamine function.

Researchers have found a potential link between the trauma of climate-related events, exemplified by devastating wildfires, and persistent effects on cognitive function.

Researchers have developed a personalized blood test that may offer a faster, less invasive way to track high-grade glioma progression. By identifying unique DNA junctions from each patient’s tumour, the test can detect tumor DNA in the bloodstream, even before changes appear on MRI scans.

A new study demonstrates for the first time that listening to favorite music activates the brain’s opioid receptors.

Promising a more personalized approach to treating major depressive disorder (MDD), a new study reveals that brain connectivity patterns, especially in the dorsal anterior cingulate cortex, can significantly predict patient response to antidepressant medications. This finding was validated in two large, independent clinical trials using brain imaging and clinical information.

Contrary to potential assumptions, recent research demonstrates that the spatial working memory of older people with autistic traits and neurotypical individuals shows no difference in change over time.

A major international study has provided the most comprehensive evidence to date on treatments for neuropathic pain —defined as pain caused by disease of the nervous system, affecting up to 10% of the population worldwide.

Finally, this week, exercise appears to be vital for maintaining sharp minds, even when a key brain energy source is lacking, according to a new study.

Weekly Neuroscience Update

Credit: Cell Reports (2025).

New research shows that the adult brain can generate new neurons that integrate into key motor circuits. The findings demonstrate that stimulating natural brain processes may help repair damaged neural networks in Huntington’s and other diseases.

A study published in Brain Communications highlights a new approach to treating drug-resistant epilepsy.

A novel human study with intracranial recordings demonstrates the thalamus’s pivotal role, especially its higher-order regions, in the onset of conscious perception, with activation preceding that of the prefrontal cortex.

New findings reveal that long-term obesity patterns have distinct impacts on brain structure, function, and cognition. 

Researchers have discovered new potential therapeutic targets for multiple sclerosis (MS). While current treatments prevent further damage, the current findings may form the starting point for the development of new treatments for tissue recovery in MS. The research is published in the journal Brain.

Research published in the Journal of Magnetic Resonance Imaging has uncovered changes in brain connectivity during chemotherapy in patients with breast cancer.

Mass General Brigham investigators have linked difficult early life experiences with reduced quality and quantity of the white matter communication highways throughout the adolescent brain. This reduced connectivity is also associated with lower performance on cognitive tasks.

A team of engineers has developed a microscale brain–computer interface that is small enough to be placed between hair follicles on a user’s head.

Researchers have identified specific high-order thalamic nuclei that drive human conscious perception by activating the prefrontal cortex. Their findings enhance understanding of how the brain forms conscious experience, offering new empirical support for theories that assign a central role to thalamic structures rather than cortical areas alone.

A natural compound found in everyday fruits and vegetables may hold the key to protecting nerve cells—and it’s showing promise as a potential treatment for ALS and dementia.

New research highlights how smartphones are transforming memory science by capturing real-world data on sleep, emotion, and daily experiences. Studies show that replaying memories before sleep, experiencing novel events, and feeling positive emotions can all strengthen autobiographical memory.

An artificial intelligence tool that can help interpret and assess how well treatments are working for patients with multiple sclerosis has been developed by UCL researchers.

A recent study indicates that brain cells possess a higher degree of plasticity than previously understood. This suggests that the brain’s ability to adapt and change throughout life is more extensive than earlier scientific models suggested.

Researchers have discovered that increased blood flow leads to stiffness in the hippocampus, a region of the brain that plays important roles in learning and memory. 

By mapping the presynaptic inputs to single neurons within the primary somatosensory cortex researchers have shown how these neurons integrate brain-wide signals related to behavior, offering a more nuanced understanding of cortical activity.

Seventeen modifiable risk factors are shared by stroke, dementia, and late-life depression, according to a review published in the Journal of Neurology, Neurosurgery & Psychiatry.

A recent study has shown how aspects of brain function change with age, revealing that excitatory processes in the brain decrease, while inhibitory processes increase as children get older. The findings are an important step in understanding disorders like autism.

Finally this week, research shows that a blow to the head can significantly impact a child’s or adolescent’s future education. Even a mild concussion can have far-reaching consequences.