News
General news from neuroscience, education, and cognitive science.
AI Aids Brain Tumor Diagnosis in Minutes, Study Finds
A new AI system predicts brain tumor molecular subtypes from routine tissue slides in 12 minutes, outperforming expert pathologists. This could speed diagnosis and expand access worldwide.
Daily Activity and Positive Mood Form a Continuous Loop
A new study of 8,000+ people shows that light activity boosts mood, and good mood boosts activity, creating a positive feedback loop.
Contraceptive Drug Reactivates Nerve Repair in Lab-Grown Human Spinal Cords
Researchers used a contraceptive drug to switch on dormant regenerative genes in lab-grown human nerve circuits, offering a path to repair spinal cord injuries.
AI Spots Epilepsy Signs in Brain Waves Without a Seizure
Machine learning identified genetic epilepsy markers from baseline EEG data in mice, offering a path to earlier diagnosis.
Paper vs. Tablet: Brain Integrates Narratives Better on Paper
New fMRI study shows reading on paper reduces brain effort in integrating story narratives compared to tablets, suggesting tactile cues help comprehension.
New Brain Probe Rewrites Rules of Neural Communication
An ultra-thin silicon probe lets scientists watch and control hundreds of neurons at once, revealing that brain regions work more independently than believed.
Culture-Fair IQ Test Launch: A More Equitable Way to Measure Intelligence
Olympia Psychologists launch a new online IQ test designed to be culture-fair, with independently verified reliability, aiming to reduce bias in cognitive assessment.
Olympia Psychologists Launch Culture-Fair Online IQ Test With Verified Reliability Metrics
After years of development, psychologists from Olympia introduce a new online IQ test designed to be culture-fair. The test boasts independently verified reliability, opening doors for fairer cognitive assessment.
Stem Cell Framework May Repair Traumatic Brain Injury
New research outlines a stem cell-based framework to repair TBI, focusing on reducing inflammation and rebuilding neural circuits, not just stabilizing patients.
Schizophrenia Risk Gene ZNF804A Found to Make Neurons Hyper-Excitable
A new study shows that suppressing the schizophrenia risk gene ZNF804A in developing neurons leads to excess protein production and hyper-excitable synapses, linking genetics to brain wiring.
Hippocampal Replay: How the Brain Runs Memories Forward and Backward
A new neural model shows how the hippocampus can replay experiences in both forward and reverse order, without needing symmetric brain connections, offering fresh insight into memory consolidation.
Connected Biochip Tracks How Diabetes Triggers Dementia
A new 'organ-on-chip' device links gut, pancreas, and brain to uncover why diabetes raises dementia risk, enabling real-time study of cellular signals.
Nearly Half of Teens Report Harm from Conversational AI
A national study finds that 47.1% of American teens have experienced digital or emotional harm while using conversational AI chatbots, with 13-year-olds most vulnerable.
Vitamin D Linked to 13% Better Cognitive Scores in Older Adults with Sleep and Memory Issues
Older adults with mild cognitive impairment and sleep problems who took at least 5,000 IU of vitamin D daily scored 13% higher on a cognitive test than those taking none, a new study finds.
Sexual Arousal Creates Optimistic 'Tunnel Vision' in Romantic Perception
New research shows that sexual arousal can distort how we interpret ambiguous romantic cues, making us more likely to see interest where there is only uncertainty.
AI Can Memorize Answers Without True Understanding
A new study reveals that an AI model praised for mimicking human cognition may actually just be memorizing patterns, not understanding the tasks.
Chaotic Laser Light Creates Fast Brain Imaging Tool
MIT scientists discovered that chaotic laser light can self-organize into a sharp pencil beam, imaging the blood-brain barrier 25x faster, aiding drug research.
Neanderthal Brains vs. Modern Humans: The Surprising Scientific Truth
A new study finds that Neanderthal brain differences fall within the range of variation among modern humans, challenging the idea that they were cognitively inferior.
AI Chatbots Engineered for Addiction, New Research Reveals
New research reveals AI chatbots are designed to be addictive, using dark patterns like guilt-tripping deletion prompts and instant validation to keep users hooked.
Estrogen Therapy Linked to Fewer Alzheimer's Signs in Brain
New research links estrogen-only menopause therapy to fewer Alzheimer's brain markers at autopsy, but it's not proof of prevention.
How Brain Activity Patterns Change with Aging and Disease
New research shows that as we age, brain activity becomes more complex but less stable, while conditions like Alzheimer's lead to a collapse of both measures.
AI Predicts Personality Test Results: ChatGPT Shows Expert-Level Insight
New research shows ChatGPT can generate valid personality questionnaires from any text and accurately predict how people will respond, revealing an embedded expert model of human psychology.
Study: Blood Cells Enter Aging Brain and Become Microglia
Stanford researchers found that in aging humans, peripheral blood cells migrate into the brain and transform into microglia, challenging the long-held belief that brain immunity is isolated.
How AI Is Solving Erdős Problems and What It Means for Human Math Skills
AI models are cracking classic math problems posed by Paul Erdős. What does this mean for human cognitive skills like problem-solving and reasoning?
Sleep Brain Waves Can Predict Dementia Years Early
Machine learning uses sleep EEG to estimate brain age. Older brain age linked to higher dementia risk, offering early detection.
Gut-Brain Link Helps Form Food Memories, Junk Food Weakens It
Signals from the gut to the brain help turn meals into lasting memories, but diets high in fat and sugar may weaken this system over time, according to a new study in rats.
Early Sugar Restriction Linked to 23% Lower Dementia Risk
A UK study finds that limiting sugar in the womb and early childhood may reduce dementia risk by up to 23% and delay onset by 2.6 years.
Eye Contact Syncs Infant Brains for Language Learning
New research shows that eye contact between infants and speakers synchronizes brainwaves, enabling selective language learning.
Productivity Losses Can Precede Early-Onset Dementia Diagnosis by Years
A study finds that people with early-onset dementia show reduced work productivity up to 15 years before diagnosis, with timelines varying by dementia type.
NFL Players Show Fourfold Increase in Neurodegenerative Death Risk
A new study of 19,824 NFL players finds they are four times more likely to die from neurodegenerative diseases like dementia and Parkinson's, with younger players facing even higher risks.
17 New Brain Regions Found to Process Language
MIT researchers analyzed fMRI data from over 700 people and discovered 17 hidden brain regions that process language, including areas in the cerebellum and deep subcortical structures.
New Soft Exoskeleton Glove Restores Grasp in Paralysis Using Faint Muscle Signals
A low-cost pneumatic glove reads weak forearm muscle signals with 97% accuracy, enabling an ALS patient to hold a fork for the first time in four years.
Mice Use Strategic Infotaxis to Overcome Poor Vision
A new study from EPFL shows that mice actively use visual infotaxis—moving strategically to maximize information gain—to identify partially hidden objects, revealing that even poor-sighted rodents rely on internal models of space.
Cognitive Training Boosts Cognition and Mood in Brain Tumor Patients
A new trial shows that multidimensional cognitive training improves cognition, mood, and quality of life in postoperative glioma patients.
Hearing Aids Linked to 23% Lower Dementia Risk in Epilepsy
A massive study of 250 million health records finds hearing aids cut dementia risk by 23% in epilepsy patients with hearing loss, likely by preserving cognitive reserve.
AI Cracks 80-Year-Old Math Problem That Stumped Mathematicians
OpenAI's model disproved Paul Erdős' 1946 unit distance conjecture, finding a better arrangement of points. Mathematicians call it a milestone for AI-driven discovery.
Concussion Turns Brain's Immune Stabilizer Into a Destroyer
A new study reveals that after a concussion, the brain's own immune receptor TLR4 triggers an enzyme that degrades neural scaffolding, causing long-term memory loss and cognitive noise.
AI Stumbles on Classic Attention Test: Why Humans Still Outperform Machines
Top AI models like GPT-4o dropped from 91% to 15% accuracy on a simple color-word test. The study reveals a fundamental gap in machine attention.
Irregular Sleep Hurts Kids’ Vocabulary and Memory, Study Finds
A new study shows that irregular sleep patterns lower receptive vocabulary and visuospatial memory scores in preschool children, independent of total sleep duration.
Irregular Sleep Patterns Linked to Brain Tissue Damage in Large Study
A study of 23,000 adults found that short sleep, frequent napping, and sleeplessness are linked to increased white matter lesions, a marker of brain aging.
AI Maps Glymphatic System Speed to Combat Alzheimer's
New AI reveals brain's waste-clearing fluid moves 50x faster on outer surfaces than deep inside, offering a diagnostic tool for Alzheimer's and concussion recovery.
Neutrophils Produce Schizophrenia Risk Protein C4A, Study Finds
White blood cells called neutrophils act as hidden factories for C4A, the strongest common genetic risk protein for schizophrenia, driving excessive synaptic pruning.
Brain-Controlled Hearing Aid Solves Cocktail Party Problem
Columbia researchers developed a real-time brain-controlled hearing system that amplifies a chosen voice in a crowd, offering a breakthrough for hearing aids.
Simple Amino Acid Arginine Shows Promise Against Alzheimer's Damage
Researchers found that arginine, a low-cost amino acid, reduced toxic amyloid buildup and brain inflammation in animal models of Alzheimer's disease.
Tightening Your Abs May Trigger a Brain-Cleaning Effect
New research reveals that contracting your abdominal muscles pushes fluid through the brain, potentially flushing out waste. Just moving your body might quietly 'rinse' your brain.
Single-Cell Learning: How a Brainless Organism Uses Neuron-Like Machinery
New research reveals that the giant single-celled Stentor coeruleus uses calcium signaling and the enzyme CaMKII to learn and remember, suggesting learning predates the evolution of brains.
ADHD Traits Found in 25% of Chronic Pain Patients: Hidden Link
A study of nearly 1,000 patients reveals that 25% of chronic pain sufferers exhibit ADHD traits, which amplify pain through anxiety and depression.
IISc Launches Rs 2 Crore AI Challenge for Early Cognitive Decline Detection
IISc's Centre for Brain Research has launched a Rs 2 crore AI challenge to detect early signs of cognitive decline, aiming to develop accessible screening tools for Alzheimer's and dementia.