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brain research

Research articles and news stories tagged with brain research

This shows a brain and a castle in the clouds.

·October 20, 2025·4 min read

How the Brain Learns New Facts About Imaginary Worlds

Learning new information about the world—like details from a fantasy realm—engages brain regions distinct from those used to recall personal experiences. In a new study, participants learned fictional facts about imaginary civilizations and were later tested on what they remembered.

Featured Neuroscience

·October 20, 2025·4 min read

How Storytelling Style Shapes the Way the Brain Forms Memories

The way an event is described—through feelings or sensory detail—changes how the brain stores and recalls it. In this study, participants listened to stories that emphasized either conceptual details (thoughts and emotions) or perceptual details (sights and sounds).

Featured Neuroscience Visual Neuroscience

·October 20, 2025·7 min read

Theta Brain Waves Act Like Radar to Boost Visual Working Memory

New research shows that the brain’s ability to detect subtle visual changes—like spotting an anomaly on a security monitor—depends on theta-frequency brain waves (3–6 Hz) that rhythmically sweep across the cortex. These traveling waves act like a radar, scanning different parts of the visual field and influencing when and where attention peaks.

Featured Neurology Neuroscience

·October 20, 2025·6 min read

First Signs of Multiple Sclerosis Found Years Before Symptoms

Researchers have traced the earliest stages of multiple sclerosis (MS), showing that the immune system begins attacking the brain up to seven years before diagnosis. By analyzing over 5,000 blood proteins, they identified molecular signs of damage to myelin—the protective sheath around nerve fibers—long before symptoms emerge.

Featured Neuroscience Visual Neuroscience

·October 20, 2025·10 min read

Electronic Eye Implant Restores Reading Vision in AMD

A groundbreaking European trial has shown that a new electronic eye implant, paired with augmented-reality glasses, can restore reading vision to patients blinded by geographic atrophy from dry age-related macular degeneration (AMD). The device, called the PRIMA System, enabled 84% of participants to read letters, numbers, and words through previously sightless eyes.

Featured Neuroscience

·October 20, 2025·7 min read

Why AI Conversations Still Sound Fake

A new study comparing human and AI-generated conversations reveals that large language models like ChatGPT and Claude still fail to convincingly mimic natural human dialogue. Researchers found that these systems over-imitate their conversation partners, misuse filler words such as “well” or “like,” and struggle with natural openings and closings.

This shows a teenager wearing headphones.

Featured Neuroscience Psychology

·October 17, 2025·7 min read

Why Teenage Songs Define Us: The Science of Musical Memory

A global study reveals that our most emotionally resonant music tends to come from our teenage years—typically peaking around age 17. This “reminiscence bump” marks the period when our developing brains most strongly imprint musical memories that help form identity.

Featured Neurology Neuroscience

·October 17, 2025·6 min read

Can a Disconnected Brain Be Conscious?

A new study reveals that sleep-like slow-wave brain activity can persist for years in surgically disconnected brain hemispheres of awake epilepsy patients. Using EEG recordings, researchers found that the isolated cortex exhibits patterns similar to deep sleep, anesthesia, or vegetative states—suggesting absent or reduced awareness.

Featured Neuroscience

·October 17, 2025·7 min read

People Miss Racial Bias Hidden Inside AI Emotion Recognition

A new study reveals that most people fail to recognize racial bias embedded in AI systems, even when it is visible in the training data. The research shows that artificial intelligence trained on imbalanced datasets—such as happy white faces and sad Black faces—learns to associate race with emotion, perpetuating biased performance.

Featured Genetics Neurology Neuroscience

·October 17, 2025·5 min read

New Alzheimer’s Mutation Weakens Brain’s Immune Defense

A new study has identified a mutation in the TREM2 gene that disrupts the brain’s ability to clear toxic amyloid plaques, increasing Alzheimer’s disease risk. The mutation, called T96K, keeps the TREM2 gene in an overactive state that paradoxically weakens microglial “cleanup” activity, especially in females.

This shows different facial expressions.

Featured Neuroscience

·October 17, 2025·8 min read

Older Adults See Ambiguous Faces as Happier

A new study reveals that older adults are more likely than younger people to interpret ambiguous facial expressions as happy rather than angry. Using brain imaging, researchers found that this positivity bias is linked to increased activity in the locus coeruleus — the brain’s tiny “blue spot” that regulates alertness and stress — and its connection to the dorsolateral prefrontal cortex.

Featured Neuroscience

·October 16, 2025·5 min read

Hidden Primed Step in Nerve-Muscle Communication Found

An international research team has mapped the millisecond-by-millisecond process by which nerve signals activate muscles, uncovering a previously unseen “primed” intermediate step. This breakthrough reveals that neuromuscular receptors move asynchronously—not in perfect unison as scientists long believed—redefining how communication between nerves and muscles is understood.