Research
Latest scientific findings about intelligence, IQ, and cognition.
1,000-Subject Study Maps Brain Aging Using Wearable Tech
A partnership between UCSF Neuroscape and Samsung is tracking 1,000 adults aged 40-89 with Galaxy Watches and tablets to predict cognitive decline from real-world biometric data.
Infrasound Rewires Ear Mechanics: New Pathway to Brain
Infrasound below 16 Hz bypasses standard hearing cells, vibrating support cells that generate electric fields to trigger unique nerve pathways.
Single Human Neuron Has Processing Power of Entire Neural Network
A new study shows that one human cortical neuron can perform computations equivalent to a deep artificial neural network, challenging the idea that brain size alone explains intelligence.
AI Models Show Brain-Like Reward Circuits: Lessons for Human Motivation
Researchers found that Vision-Language models have reward-anticipating units similar to the human nucleus accumbens. Perturbing these units causes anhedonia-like behavior, advancing our understanding of motivation.
One Cocaine Dose Leaves a Genetic Scar That Lasts Weeks
A single cocaine exposure permanently rewires the genome inside reward neurons, creating a physical 'scar' that persists for at least two weeks and primes the brain for addiction.
Mild Sleep Loss Drives Weight Gain and Inactivity — Even 80 Minutes Matters
Shortening nightly sleep by 80 minutes for six weeks led to 1 lb weight gain and 17 more minutes of daily sedentary time, with stronger effects in men and postmenopausal women.
Astrocytes Act as Gatekeepers of Long-Term Memory Persistence
Astrocytes actively control memory stability by physically wrapping around engram neurons via a protein called Ank2. Disrupting this mechanism erases memories within weeks.
Causal Network Mapping Isolates Core Brain Circuits of OCD
Researchers identified four core brain hubs driving OCD using Causal Network Mapping on lesional cases, offering a precise target for personalized rTMS therapy.
Alzheimer’s Study: Amyloid Beta and Hypoperfusion Are Mutually Reinforcing
A whole-brain model shows that amyloid beta accumulation and reduced blood flow reinforce each other, and localized hypoperfusion can trigger brain-wide disease.
AI Uncovers Hidden Gray Matter Lesions in Multiple Sclerosis
A new AI framework reveals thousands of previously invisible gray matter lesions in MS patients using legacy MRI scans, offering a clearer picture of disease progression.
Maternal Estrogen at 6-8 Weeks Predicts Newborn IQ-Related Head Size
Maternal estrogen levels at 6-8 weeks gestation directly predict newborn head circumference, a marker for brain size and future IQ, with stronger effects in males.
Shunting Inhibition Helps Dendrites Assign Credit in Local Learning
New study shows how shunting inhibition and dendritic branching reshape credit-signal geometry, improving local learning with restricted feedback.
BCG Vaccine Flushes Alzheimer's Amyloid: Early Prevention Pathway
The BCG vaccine remodels brain immunity, lowering Alzheimer's amyloid in healthy adults. A study finds it clears toxic protein into the blood, offering early prevention.
Tire Pollutant 6PPD-Q Linked to Alzheimer's Gene Pathways
A computational study reveals that tire-derived pollutant 6PPD-quinone binds to three key Alzheimer's predictor genes, triggering oxidative stress and neuroinflammation.
Mediterranean Diet Boosts Psychological Well-Being After 50, Study Finds
New research shows that sticking to a Mediterranean diet significantly improves autonomy, purpose, and self-realization in adults over 50, acting as a buffer against emotional decline during the pandemic.
How Damaged Myelin Disrupts Sleep Rhythms and Brain Health
Myelin damage triggers abnormal, epilepsy-like spikes during NREM sleep and slows REM oscillations, suggesting sleep recordings could track MS and Alzheimer's progression.
Newly Discovered Brain Cell Death Mechanism May Explain Alzheimer's Neuron Loss
Researchers at King's College London have identified a previously unknown process called karyoptosis that may explain how toxic proteins kill brain cells in Alzheimer's and frontotemporal dementia.
Stress Drinking in Youth Permanently Rewires Brain, Study Finds
New research from UMass Amherst shows that using alcohol to cope with stress in early adulthood can permanently alter brain circuits, reducing mental flexibility and increasing dementia risk even after years of sobriety.
Deep Sleep Circuit Links Growth Hormone to Muscle Repair and Brain Health
UC Berkeley scientists discovered the brain circuit that controls growth hormone release during deep sleep, revealing a feedback loop that regulates muscle repair, fat metabolism, and cognition.
Zebrafish brains use the same sensory sorting logic as humans, study finds
New research shows larval zebrafish organize sensory signals using a spatial ladder identical to the human thalamocortical network, proving multisensory integration follows universal evolutionary rules.
New Drug XL20 Protects Neurons in ALS by Targeting Toxic Protein Region
Researchers at the University of Arizona developed XL20, a small molecule that crosses the blood-brain barrier to block a toxic region of the TDP-43 protein, halting neuron death and slowing muscle wasting in ALS models.
Meta-Representational Predictive Coding: A Brain-Like Self-Supervised Learning Model
Researchers propose Meta-Representational Predictive Coding (MPC), a neuroscience-inspired self-supervised learning model that uses active inference to learn representations without backpropagation.
LLMs Fail to Match Human Imagination Network Structure Across Cultures
New research shows human mental imagery networks are consistent across cultures, but large language models cannot replicate this structure, revealing limits of purely linguistic training.
How Stress Ages Your Immune System Through Gut Bacteria
Chronic stress suppresses brain regions that control gut bacteria, depleting anti-aging spermidine and accelerating immune aging in mouse bone marrow stem cells.
Bumble Bees Demonstrate Spontaneous Problem-Solving in Classic Intelligence Test
Bumble bees solved a novel object-manipulation task without training, challenging the belief that spontaneous problem-solving is unique to large-brained animals.
Aphantasia Shows Abstract Thought Doesn't Need Mental Images
A new study argues that aphantasia, the inability to form mental images, disproves classical theories that abstract thought requires sensory visualization.
Maternal High-Fructose Diet Epigenetically Harms Fetal Brain Development
A new study shows that when pregnant rats consume high fructose corn syrup, their offspring suffer permanent learning and memory deficits due to epigenetic changes that silence neurogenesis genes.
AI Targets Brain Inflammation in APOE4 Alzheimer's Carriers
USC researchers use AI to find molecules that inhibit the cPLA2 enzyme, potentially stopping pre-symptomatic brain inflammation in APOE4 gene carriers, the highest genetic risk for late-onset Alzheimer's.
Rats Show Genuine Empathy, Just Not Like Humans Do
Rats display flexible, other-oriented helping behavior that qualifies as empathy, though they lack the mental-state mapping seen in humans, according to a new multidimensional analysis.
How Your Brain Compresses Goals to Learn Faster
New research shows that the brain compresses complex goals into simple rules, freeing working memory and boosting learning efficiency.
Social Media Recalibrates How the Brain Values Mental Effort
New research shows digital media doesn't destroy attention but changes how the brain values effort, making deep work feel harder.
New AI Method Predicts Brain Stimulation Responses from Minutes of Data
Researchers used differentiable biophysical models to predict neural responses to electrical stimulation with 90.6% accuracy, replacing hours of testing with minutes of recording.
Acetaminophen Use in Pregnancy Does Not Raise Autism or ADHD Risk
A large sibling-matched study of over 700,000 mother-child pairs finds no link between prenatal acetaminophen use and autism or ADHD, reassuring expectant mothers.
NeuroCogMap Reveals Cognitive Organization in AI and Predicts Human Brain Activity
A new framework, NeuroCogMap, organizes internal features of large language models (LLMs) into functional parcels, revealing cognitive organization and links to human brain activity.
Speaking 4 Languages Makes Your Brain Appear 13 Years Younger
A new study using AI and brain scans found that speaking two, three, or four languages correlates with brains appearing 6, 7, and 13 years younger than chronological age.
Maternal Vocal Response Speed at 12 Months Predicts ADHD Risk
Slower maternal vocal responses to one-year-old infants are linked to higher ADHD and disruptive behavior disorder odds by age 7, new PLOS One study finds.
How the Brain's Visual Cortex Enables Flexible Thinking
A new study reveals a specific brain circuit that allows higher cognitive areas to reshape early visual processing, enabling flexible rule-switching.
Lab-Grown Eye Vessel Cells Regenerate Retina, Restore Vision
Researchers at Duke University have grown rare retinal endothelial cells from stem cells, which regenerated damaged blood vessels and restored vision in mice.
Wearable BCI Detects Hidden Consciousness in Brain-Injured Patients
New research using a wearable EEG headset with real-time auditory feedback nearly doubles detection of hidden consciousness in unresponsive patients, from 39% to 69%.
Can Creatine Boost Depression Treatment? Mixed Results for a Surprising Supplement
A new systematic review finds creatine accelerates remission in women with depression but fails in teens and bipolar patients, with some risks.
Meta-Learning Makes AI Visual Representations More Human-Like
Meta-learning, or learning to learn, helps AI models develop visual representations that better match human similarity judgments and brain activity.
New AI method combines brain data across individuals for clearer insights
Researchers introduce DPMS, a machine learning framework that integrates whole-brain neural recordings from multiple individuals, improving models of brain activity beyond single-subject analyses.
Neural Code Stability Predicts Behavior Better Than Drift
A new study shows that how reliably neural patterns maintain their geometric relationships predicts trial-by-trial behavior, while centroid drift does not.
Brain Protein Arc Spreads Toxic Tau in Alzheimer’s, New Study Finds
A new study identifies the brain protein Arc as the key carrier that spreads toxic Tau between neurons in Alzheimer’s disease, opening a potential target for stopping progression.
Why MS Progresses Differently: Brain Tissue Patterns Tied to Genetics
A landmark study of 287 brain donors shows that MS severity is driven by four distinct tissue patterns—genetically influenced—opening the door to personalized treatment.
Two Weeks of Adolescent Social Isolation Permanently Destroys Adult Empathy
A brief two-week social isolation during adolescence permanently destroys the ability to sense peer distress, even after re-socialization, while adult isolation leaves emotional discrimination intact.
Nanosensor Differentiates Autism from Intellectual Disability Using Stem Cells
A carbon-fiber nanosensor measured nitric oxide in stem cells to distinguish Autism Spectrum Disorder from Intellectual Disability, even with identical genetic mutations.
Viral Infection Triggers Parkinson's Brain Damage in New Study
A new study shows a common virus can trigger the exact dopamine neuron loss and motor deficits seen in Parkinson’s, offering a natural model for the disease.
Chronic Stress Stiffens Brain Networks: Trade-Off Between Resilience and Flexibility
New research on arXiv models chronic stress in working-memory networks, finding that resilience training preserves performance but reduces generalization ability.
Does expressive style affect brain's speech tracking in cognitive decline?
New research shows that subjective cognitive decline (SCD) is linked to weaker cortical tracking of linguistic features, especially during flat speech, suggesting a new early neural marker.
Reading Rewires Your Brain: Enhances Memory, Face Recognition, and Reasoning
New research shows reading fine-tunes visual systems, improves face recognition, expands working memory, and sharpens reasoning. Print reading beats screens for cognitive effort.
Fish Oil Supplements Fail to Boost Memory or Slow Brain Aging in Landmark Study
A two-year clinical trial found that high-dose omega-3 fish oil supplements did not improve memory, cognition, or protect against Alzheimer's-related brain changes, despite successfully raising brain omega-3 levels.
VR and Nerve Stimulation Doubles Stroke Arm Recovery in New Study
Combining immersive VR with electrical nerve stimulation doubles upper limb recovery in chronic stroke patients by reconnecting movement and touch sensation.
Breastfeeding Through Six Months Tied to Lower ADHD Symptoms, Large Study Finds
A massive study of 37,600 families finds that exclusive breastfeeding for up to six months is linked to lower ADHD symptoms at ages 3, 5, and 8, even after controlling for genetics.
Optogenetics Restores Motor Learning in Huntington’s Study
Researchers restored motor learning in Huntington’s disease mice by reactivating silent VIP neurons using optogenetics, with benefits lasting days after stimulation ended.
Higher Vitamin C Levels Linked to Larger Gray Matter and Stronger Brain Networks in Older Adults
A large Japanese study of over 2,000 older adults found that higher blood levels of vitamin C are associated with greater gray matter volume and stronger connectivity in key brain networks for memory and attention.
AI Scientist Automates Discovery of Psychological Theories
AutoCog, an autonomous AI system, designs experiments and generates new theories of decision-making, outperforming human-built models.
How AI Models Help Uncover the Brain's Language Secrets
Computational neuroscience uses deep learning to bridge linguistics and brain data, revealing how hierarchical language structures are processed in the brain.
Great Ape Laughter Reveals 15-Million-Year-Old Rhythm That Paved Way for Human Speech
A new study analyzing laughter in humans and four great ape species found an identical rhythmic structure unchanged for 15 million years, revealing the evolutionary foundation of speech.
Placebo Pills Improved Memory Even When People Knew They Were Fake
Healthy older adults who took placebo pills for three weeks showed real improvements in memory, physical performance, and stress — even when they knew the pills were inactive.
Lamprey Brain Map Reveals 450-Million-Year-Old Roots of Vertebrate Intelligence
A single-cell atlas of the lamprey brain shows that our ancient ancestors already had a complex, molecularly organized brain 450 million years ago, with 'moonlighting' neurons that later split into specialists.
New Cell Death Mechanism 'Karyoptosis' Found in Alzheimer's Brains
Researchers discovered karyoptosis, a new form of programmed cell death, in 35% of Alzheimer's frontal cortex neurons, driven by p38 MAP kinase and LaminB1 interaction causing nuclear disintegration.
Small-World Networks Boost Brain-Like Neural Groups, New Simulation Shows
Researchers found that small-world topology maximizes polychronous neuronal groups (PNGs), which may underlie neural computation. A new recurrence-plot decoder identifies PNGs without neuron labels.
How Interaction Strength Organizes Memory in Complex Networks
A new study shows that real interaction strengths organize memory at greater depth than random weights in networks, revealing universal rules for brain function.
Vision isn't just spot-checking: neural dynamics carry key information
New research finds that the brain’s initial visual processing is not a simple feedforward sweep, but encodes information in temporal patterns.
Ancient Brainstem Neurons Act as a Focus Filter, Blocking Distractions
Scientists discovered a tiny group of neurons in the brainstem that acts like a focus filter, helping mice ignore distractions. When silenced, mice became hyper-distractible, similar to ADHD.
Daytime Light Exposure Linked to 16% Lower Dementia Risk
A study of 87,577 adults found that average daytime light above 1,000 lux reduces dementia risk by 16%, with less than 42 minutes of bright light being a stronger predictor than six clinical risk factors.
Personalized fMRI Scans Boost TMS Depression Treatment to 80% Response Rate
A new clinical trial shows that using personalized fMRI scans to guide accelerated TMS nearly doubles response rates in treatment-resistant depression, reaching 80%.
How Cavefish Rewired Their Brains to Invert Light Response
Blind Mexican cavefish evolved an inverted response to light by repurposing existing neurons and modifying conserved dopamine pathways, not by growing new brain structures.
Dogs May Help Unlock Better Autism Drug Testing
Genetically engineered Beagles with Shank3 mutations mirror human autism traits like gaze aversion and social withdrawal, offering a better model for drug development.
How Bodily Inflammation Changes Brain Function and Behavior
A new study reveals that inflammation from infections or chronic diseases like rheumatoid arthritis directly alters brain function, causing depression and social withdrawal.
Brain States Emerge from a Hidden Geometric Blueprint
New research identifies a universal geometric structure in brain networks that governs shifts between active and quiet states, orchestrated by excitation-inhibition balance.
Awake Brain Surgery Reveals Two Separate Networks for Genuine vs. Fake Laughter
Researchers map two distinct neural pathways for laughter: an ancient emotional circuit for genuine mirth and a motor-driven circuit for social laughter, using data from awake brain surgery.
Speech Learning Relies on Sensory Brain Areas, Not Just Motor Regions
New research shows that learning and remembering speech depends more on auditory and somatosensory processing than on motor control, potentially transforming speech therapy and brain-computer interfaces.
Local Short Cycles Make Neural Networks Smarter, New Study Finds
Researchers show that recurrent neural networks with local 2- and 3-cycles compute better, offering insights into brain-like design.
Lifetime Estrogen Exposure Linked to Larger Brain Volumes in Older Women
A new study of 459 women finds that higher lifetime estrogen exposure—from birth control, late menopause, or hormone therapy—is associated with larger brain volumes and thicker cortices in memory regions.
Sleep Deprivation Boosts Synaptic Density in Key Brain Regions
A new PET imaging study finds that 28 hours of sleep deprivation increases synaptic density markers in the hippocampus and thalamus, supporting the theory that sleep resets neural connections.
Frontal Cortex Maps Visual and Auditory Attention as Traffic Controller
Direct brain recordings reveal the frontal cortex acts as an internal traffic controller, dynamically shifting attention between sight and sound depending on language comprehension.
Cognitive Training vs Aerobic Exercise: Different Brain Benefits
New research shows that cognitive training and aerobic exercise affect older adults' brain structure differently—one boosts gray matter volume, the other increases brain connectivity.
How Human-Like Memory Limits Help AI Learn Grammar Better
Giving AI models a human-like fleeting memory — including a 3-7 word echoic buffer — improves grammar learning by forcing focus on abstract rules rather than literal words.
First Embryonic Stem Cell Trial for Huntington's Opens
UCI Health launches the world's first in-human trial using embryonic stem cell-derived neural stem cells to treat Huntington's disease, with initial safety results promising.
Sleep Habits Determines Whether Your Genes Accelerate Alzheimer's
New research shows that specific AQP4 gene variants interact with poor sleep to accelerate grey matter loss and alter cognitive function, highlighting a modifiable pathway for personalized Alzheimer's prevention.
Trauma Therapy Reverses PTSD in Psychosis Patients: Largest Trial Shows Safety and Effectiveness
A new study finds that integrated Trauma-Focused CBT for psychosis eliminates PTSD in 50% of patients, with low disengagement and broad cognitive improvements.
Network Mapping Uncovers 641 Hidden Schizophrenia Risk Genes
Scientists used long-range co-expression networking to identify 641 novel schizophrenia risk genes, moving toward network-based precision psychiatry.
Ancient Brainstem Circuit Found to Control Selective Attention
Researchers discover a brainstem inhibitory circuit that acts as an attentional selection engine, conserved across vertebrates, with implications for ADHD and autism.
AI and Human Brains Use Same Predictive Language Processing Principles
A new neuroimaging study shows that the human brain and large language models predict words using similar parallel processing strategies, opening doors for brain-computer interfaces and cognitive diagnostics.
Autism Mutations Converge on Shared Early Brain Pathways, Study Finds
Hundreds of diverse autism-linked genetic mutations converge on the same brain cell types and pathways during early development, revealing a critical window for intervention.
OLE Molecule Reprograms Brain Immune Cells to Fight Alzheimer's
A molecule called OLE restores microglia's protective function, reducing plaques and improving memory in Alzheimer's models.
New AI Tool Detects Early Parkinson's Marker from Wrist Activity Data
Researchers developed ActiTect, an open-source ML pipeline that screens for REM sleep behavior disorder using actigraphy, achieving AUROC up to 0.95.
Rotating Spiral Brain Waves Coordinate Sensation and Action
Researchers discovered spiral brain waves that rotate over space and time, driven by a circular neural architecture, synchronizing sensory and motor networks.
Brain Decoding: Simpler Models Outperform Complex Ones, Study Finds
New research shows that linear contrastive models decode brain activity more accurately than complex non-linear models across vision, language, and audio.
TBI and neurological conditions create a bi-directional risk loop
New research shows that traumatic brain injury and neurological diseases like stroke, dementia, epilepsy, and Parkinson's accelerate each other, creating a dangerous feedback loop.
Alzheimer's Protein APP Protects Neurons by Expelling Nuclear Waste
New research reveals that amyloid precursor protein (APP) acts as a cellular guardian, binding to leaked nuclear material and ejecting it from neurons to prevent neuroinflammation and cell death.
How Sparse Coding of Natural Scenes Reveals Why We See Unique Hues
A new study uses sparse coding on 503 natural images to show that unique hues—red, green, blue, yellow—emerge from the statistics of visual environments, offering a computational link to color perception.
Connectome Wiring: Statistics Control Brain Dynamics, Specifics Guide Activity Flow
New research shows that a brain's overall activity level depends on wiring statistics, while the precise connections determine where activity goes.
AI Generates Brain Activity Movies – A Leap for Cognitive Science
New AI model BrainWorld uses brain structure to generate realistic fMRI movies, improving brain dynamics modeling and boosting downstream analysis accuracy.
New Bayesian Method Improves Brain Network Community Detection
Researchers developed a hierarchical Bayesian inference method that detects brain network communities more accurately across individuals and groups, outperforming standard modularity models.
Tinnitus as a Side Effect of Brain Optimization: New Model
A decade of research reframes tinnitus as an adaptive brain mechanism that boosts signal detection after hearing loss, not a dysfunction.
Copper Drug Clears Alzheimer's Proteins and Restores Memory in Study
A copper-based drug restored the brain's waste-clearing system, reducing toxic amyloid proteins by 42% and improving spatial memory by 44% in lab studies.
Feeling Lonely Speeds Cognitive Decline More Than Being Alone
New research shows perceived loneliness accelerates cognitive decline and reduces lifespan, while objective social isolation has no consistent link to cognitive impairment.