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Neuroscience news
Psychology & Psychiatry
Brain circuit controlling compulsive behavior mapped
Researchers at Karolinska Institutet in Sweden have identified a brain circuit that can drive repetitive and compulsive behaviors in mice, even when natural rewards such as food or social contact are available. The study ...
Nov 21, 2025
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Neuroscience
Astrocytes clear amyloid plaques and preserve cognitive function in Alzheimer's mouse models
Researchers at Baylor College of Medicine have discovered a natural mechanism that clears existing amyloid plaques in the brains of mouse models of Alzheimer's disease and preserves cognitive function. The mechanism involves ...
Nov 21, 2025
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Stenting reduces stroke risk in people with carotid artery narrowing, study finds
An international study led by Mayo Clinic researchers has found that for people with severe carotid artery narrowing who haven't experienced recent stroke symptoms, a minimally invasive procedure called carotid artery stenting, ...
Nov 21, 2025
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Some children's tantrums can be seen in the brain, new study reveals
In the search for a way to measure different forms of a condition called sensory processing disorder, neuroscientists are using imaging to see how young brains process sensory stimulation.
Nov 21, 2025
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New implant captures gut-brain signals in awake, moving animals
Scientists have been able to measure the electrical signals in the "second brain in our guts" for the first-ever time, giving renewed understanding to its interconnection with the brain.
Nov 21, 2025
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Early brain differences may explain sex-specific risks for addiction
The roots of addiction risk may lie in how young brains function long before substance use begins, according to a new study from Weill Cornell Medicine. The investigators found that children with a family history of substance ...
Nov 21, 2025
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Higher screen time linked to ADHD symptoms and altered brain development
The digital age has fundamentally reshaped childhood, making screens an integral part of learning, socialization, and entertainment. Globally, screen time among adolescents has surged, accelerated by the isolation and remote ...
Nov 21, 2025
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How the cheese-noodle principle could help counter Alzheimer's
Researchers at the Paul Scherrer Institute PSI have clarified how spermine—a small molecule that regulates many processes in the body's cells—can guard against diseases such as Alzheimer's and Parkinson's: It renders ...
Nov 21, 2025
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Arginine supplementation curbs Alzheimer's disease pathology in animal models
Alzheimer's disease (AD), a progressive neurodegenerative disorder, is one of the leading causes of dementia worldwide, and currently has no definitive cure. Although antibody-based therapies that target amyloid β (Aβ) ...
Nov 21, 2025
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Study uncovers and predicts widespread molecular changes in ALS brain cells
Researchers at the University of Toronto's Temerty Faculty of Medicine have found widespread genetic and protein changes in the brain cells of people with amyotrophic lateral sclerosis (ALS), which may help shed light on ...
Nov 21, 2025
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AI's double-edged impact on neurological care: A tool for innovation or a source of bias?
As artificial intelligence's role in health care rapidly expands, a comprehensive new report co-authored by UCLA Health states that the same technology that can help doctors detect strokes or seizures could also worsen health ...
Nov 21, 2025
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Fluoridated water linked to better adolescent school achievement
Children exposed to recommended levels of fluoride in drinking water show modest cognitive advantages in secondary school, with no clear evidence of harm to cognitive functioning around age 60, according to researchers at ...
Cerebrospinal fluid motion in the brain captured in remarkable detail
Cerebrospinal fluid (CSF) is a clear and watery liquid that flows in and around the brain and spinal cord. Its functions include protecting parts of the nervous system, delivering nutrients and removing metabolic waste.
Aging alters the protein landscape in the brain—diet can counteract it, say researchers
As we age, the composition and function of proteins in the brain change, affecting how well our brain performs later in life—influencing memory, responsiveness, and the risk of neurodegenerative diseases.
Nov 20, 2025
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Why a foreign language sounds like a blur to non-native ears
Why is it so easy to hear individual words in your native language, but in a foreign language they run together in one long stream of sound?
Nov 20, 2025
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RNA editing study finds many ways for neurons to diversify
All starting from the same DNA, neurons ultimately take on individual characteristics in the brain and body. Differences in which genes they transcribe into RNA help determine which type of neuron they become, and from there, ...
Nov 20, 2025
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Discovering America's 'epilepsy belt': Study reveals US regions with high epilepsy rates
A first-of-its-kind nationwide study has mapped epilepsy incidence rates among older adults in the United States and identified key social and environmental factors associated with the neurological condition.
Nov 20, 2025
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New on-switch for pain signaling pathway could lead to safer treatment and relief
Researchers at Tulane University, with a team of colleagues from eight other universities, have discovered a new nerve cell signaling mechanism that could transform our understanding of pain and lead to safer, more effective ...
Nov 20, 2025
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Dopamine desensitization in fruit flies shows how repeated actions lose appeal over time
Our brain's reward system processes and reinforces pleasurable experiences, motivating us to seek out and engage in rewarding activities ranging from eating to social interactions to recreational drug use. Dopamine plays ...
Nov 20, 2025
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Shimmering calcium waves shape eye development, fruit fly study suggests
For just a few hours, shimmering waves of calcium move through cells in the developing eyes of fruit flies. These spontaneous waves serve a purpose, enabling communication between cells and shaping the eye structure, according ...
Nov 20, 2025
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Clinical tool helps predict which brain tumors will require treatment
A new study has shown that a clinical tool developed by the University of Liverpool and The Walton Center can accurately predict whether the most common type of brain tumor will grow or cause symptoms, helping doctors and ...
Nov 20, 2025
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Gene variant increases brain inflammation in those with repetitive head impacts
Chronic traumatic encephalopathy (CTE) is a neurodegenerative disease caused by repetitive head impacts (RHI). However, individuals with similar RHI exposure have shown differing pathology, suggesting a role for genetic variation. ...
Nov 20, 2025
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A microRNA cocktail weakens brain tumors in preclinical trials
A patented RNA-based cocktail developed at the Italian Institute of Technology (IIT-Istituto Italiano di Tecnologia) has emerged as a promising active agent against tumors of the central nervous system, such as glioblastoma.
Nov 20, 2025
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Physicians map patients' brain waves to personalize epilepsy treatment
Mayo Clinic researchers have developed a new, personalized approach to deep brain stimulation (DBS) for people with drug-resistant epilepsy. By mapping each patient's unique brain wave patterns, the method allows physicians ...
Nov 20, 2025
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Study reveals long-term associations of strangulation-related brain injury from intimate partner violence
A study by Mass General Brigham investigators found self-reported vision problems and traumatic stress are experienced years after strangulation.
Nov 20, 2025
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