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brain research

Research articles and news stories tagged with brain research

This shows a person sleeping with a CPAP machine on and a brain.

·November 25, 2025·7 min read

Untreated Sleep Apnea Doubles Parkinson’s Risk

A large analysis of more than 11 million medical records found that people with untreated obstructive sleep apnea face a substantially higher risk of developing Parkinson’s disease over time. Even after accounting for factors like age, obesity, and cardiovascular conditions, those who did not use CPAP were nearly twice as likely to be diagnosed with Parkinson’s as those who treated their apnea.

Featured Genetics Neuroscience Psychology

·November 25, 2025·7 min read

Genes Behind Dog Behaviors Also Shape Human Emotions

Researchers analyzed the genomes and behavioral profiles of 1,300 golden retrievers and found that several behavioral traits—such as trainability, fear of strangers, and aggression toward other dogs—are shaped by specific genetic variants. Remarkably, a dozen of these same genes also influence emotional and cognitive traits in humans, revealing shared biological roots across species.

Featured Genetics Neurology Neuroscience

·November 25, 2025·5 min read

Gene Discovery Reveals Hidden Risk Pathway for Delirium

A massive genetic analysis of over one million people has revealed that APOE, long known for its role in Alzheimer’s disease, also independently increases a person’s risk of delirium. The researchers found that this effect cannot be explained solely by dementia, showing that APOE directly contributes to delirium vulnerability in otherwise cognitively healthy individuals.

Featured Neuroscience

·November 24, 2025·7 min read

Thought Begins Before We’re Born

New research using human brain organoids shows that early neural activity follows structured, time-based patterns long before sensory experience begins. These findings suggest the human brain comes preconfigured with a built-in “operating system” for organizing information, rather than relying solely on external input to form its circuits.

Featured Genetics Neuroscience Psychology

·November 24, 2025·9 min read

Genetics Point to a New Type of Suicide Risk

New research shows that many people who die by suicide without prior suicidal thoughts or behaviors are not simply “missed cases”—they may have an entirely different underlying risk profile. Genetic analyses of more than 2,700 deaths revealed that these individuals carry fewer genetic risk factors for major psychiatric conditions compared to those with known suicidality.

Featured Neuroscience Psychology

·November 24, 2025·4 min read

Stress-Like Behaviors Traced to a Single ATP Circuit in the Brain

New research reveals that reduced ATP signaling in the hippocampus plays a causal role in both depression- and anxiety-like behaviors. In stressed male mice, ATP levels and the ATP-releasing protein connexin 43 were markedly lower.

This shows the outline of a head in psychedelic colors.

Featured Neuroscience Psychology

·November 24, 2025·4 min read

Psychedelic ‘Ego Death’ Tied to a Collapse in Alpha Brain Waves

A new study using DMT as a scientific tool reveals how psychedelics alter the brain’s alpha-wave dynamics and weaken our sense of self. The researchers found that DMT pushes the brain away from its usual “critical” balance between chaos and order, a state believed to be essential for coherent self-awareness over time.

This shows the outline of a person and a brain.

Featured Neurology Neuroscience

·November 24, 2025·8 min read

One in Two Americans Have Neurological Disorders

A comprehensive national analysis shows that over 180 million Americans—more than half the U.S. population—are living with a neurological disease or disorder. These conditions span the lifespan, from neurodevelopmental disorders to migraines to age-related diseases such as Parkinson’s and Alzheimer’s.

Featured Neuroscience Psychology

·November 23, 2025·5 min read

AI Reveals Lions Don’t Just Roar, They Have a Second Call

A new study reveals African lions produce two types of roars, overturning long-held assumptions and opening the door to more precise wildlife monitoring. Using machine learning, researchers automatically distinguished between full-throated and newly identified intermediary roars with over 95% accuracy, eliminating much of the human bias in vocal identification.

Featured Neuroscience

·November 21, 2025·5 min read

What Triggers Tantrums? Sensory Overload May Be To Blame

New research reveals a distinct brain activity signature in children who become overwhelmed by sensory input such as noise, touch, or bright lights. Using functional MRI, scientists found that overly sensitive children show reduced activation in outward-facing sensory and motor networks while increasing activation in inward-focused networks tied to cognition and impulse control.

Featured Neuroscience Psychology

·November 21, 2025·5 min read

Brain Circuit That Forces Behavior Into “Repeat Mode” Identified

A new study has identified a specific brain circuit that can push behavior into a compulsive “repeat mode,” forcing mice to continue digging and sniffing even when rewards are available. The circuit links the nucleus accumbens to the hypothalamus and then to the lateral habenula, a region involved in processing negative experiences.

Featured Genetics Neurology Neuroscience

·November 21, 2025·6 min read

Genetics Plus Heart Health Markers Sharpen Dementia Risk

New research shows that dementia risk is best predicted by combining genetic vulnerability with cardiovascular disease markers, revealing a more precise and actionable way to identify who is most likely to develop the condition. While genes such as APOE4 and family history contribute heavily, equally powerful are modifiable factors like hypertension, obesity, and diabetes.

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brain research

Untreated Sleep Apnea Doubles Parkinson’s Risk

Genes Behind Dog Behaviors Also Shape Human Emotions

Gene Discovery Reveals Hidden Risk Pathway for Delirium

Thought Begins Before We’re Born

Genetics Point to a New Type of Suicide Risk

Stress-Like Behaviors Traced to a Single ATP Circuit in the Brain

Psychedelic ‘Ego Death’ Tied to a Collapse in Alpha Brain Waves

One in Two Americans Have Neurological Disorders

AI Reveals Lions Don’t Just Roar, They Have a Second Call

What Triggers Tantrums? Sensory Overload May Be To Blame

Brain Circuit That Forces Behavior Into “Repeat Mode” Identified

Genetics Plus Heart Health Markers Sharpen Dementia Risk

Spiritual Distress Is a Clinical Reality in Brain Disease

Most Insomnia Meds Don’t Worsen Sleep Apnea

Ghost in the Machine: Brain Predicts Images Before We See Them

Dog-Inspired Robot: How Gestures Help AI Master the Art of “Fetch”

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