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Neuroscience

Neuroscience research articles are provided.

What is neuroscience? Neuroscience is the scientific study of nervous systems. Neuroscience can involve research from many branches of science including those involving neurology, brain science, neurobiology, psychology, computer science, artificial intelligence, statistics, prosthetics, neuroimaging, engineering, medicine, physics, mathematics, pharmacology, electrophysiology, biology, robotics and technology.

Featured Neuroscience Psychology

·December 19, 2025·7 min read

Guilt and Shame Shape Behavior Through Separate Brain Pathways

uilt and shame arise from different cognitive triggers and rely on distinct neural systems to guide compensatory behavior. Using a controlled game that manipulated both harm and responsibility, researchers showed that guilt is more strongly driven by the severity of harm caused, while shame is more strongly shaped by how responsible someone feels for that harm. Guilt also more reliably translated into financial compensation, whereas shame required greater cognitive control to influence behavior.

Featured Neuroscience Psychology

·December 19, 2025·4 min read

Emotional Stress Triggers Instant Arousal From Deep Sleep

A new study uncovers a precise brain pathway that rapidly converts emotional stress into sudden wakefulness during NREM sleep. Researchers found that GABAergic neurons in the BNST activate glutamatergic neurons in the DpMe, causing immediate arousal.

Featured Neuroscience Psychology

·December 18, 2025·7 min read

Depression Quietly Damages the Heart Through Stress Circuits

Depression and anxiety may heighten cardiovascular disease risk through chronic stress pathways in the brain and body. In a large analysis of more than 85,000 adults, those with depression or anxiety — especially both — were significantly more likely to experience heart attack, stroke or heart failure.

Featured Neuroscience

·December 17, 2025·6 min read

Music Improvisation Rewires the Brain in Real Time

Creativity is notoriously difficult to study as it unfolds, but musical improvisation offers a rare chance to watch spontaneous idea-generation in action. In a new imaging study, researchers examined how 16 skilled jazz pianists’ brains reorganized while they played a familiar tune from memory, improvised around its melody, or freely improvised over its chord changes.

Neuroscience

·December 17, 2025·6 min read

Dairy Consumption Linked to Lower Dementia Risk

A large 25-year study found that people who ate more high-fat cheese and high-fat cream had a lower risk of developing dementia, though the results only show an association—not proof of protection. Participants who consumed the highest amounts of high-fat cheese had a 13% lower dementia risk overall and a 29% lower risk of vascular dementia.

Featured Neurology Neuroscience

·December 17, 2025·5 min read

Dopamine Acts as a Movement Support System, Not a Speed Controller

Dopamine may not control the force or speed of movements as long believed. Instead, it appears to function as a foundational chemical that enables movement in the first place.

Featured Neurology Neuroscience

·December 16, 2025·5 min read

Social Isolation Directly Speeds Up Cognitive Decline

Social isolation has a direct causal impact on how quickly cognitive function declines in later life, independent of whether someone feels lonely. By analyzing more than 137,000 cognitive tests from over 30,000 older adults, the study found that reduced social contact consistently predicted faster decline across every demographic group.

This shows AI representations of brain scans.

Neuroscience

·December 16, 2025·5 min read

fMRI Signals Often Misread Neural Activity

fMRI signals don’t always match the brain’s true activity levels, overturning a core assumption used in tens of thousands of studies. In about 40% of cases, an increased fMRI signal appeared in regions where neural activity was actually reduced, while decreased signals sometimes showed up in areas with heightened activity.

Featured Neuroscience

·December 16, 2025·6 min read

Two Dopamine Neuron Subtypes Process Smell in Different Ways

Closely related dopamine-releasing neurons in the olfactory bulb behave in fundamentally different ways depending on their physical structure. One subtype releases neurotransmitters from dendrites instead of axons—an unusual mechanism that allows the cells to act locally and even self-inhibit.

Featured Neuroscience

·December 16, 2025·9 min read

Why Consciousness Evolved

New work explores why consciousness evolved and what observing birds can teach us about its biological purpose. The findings outline three distinct forms of consciousness—basic arousal, general alertness, and reflexive self-awareness—each providing unique adaptive advantages.

Featured Neuroscience

·December 15, 2025·4 min read

Exercise Supercharges Hormone Transport to the Brain

Physical exercise triggers extracellular vesicles (EVs)—tiny particles in the blood—to act as temporary transport shuttles for key hormone precursors. During vigorous exercise, levels of the hormone precursor POMC attaching to EVs increase fourfold, suggesting a newly uncovered mechanism for how stress, energy balance, and mood may shift after movement.

Featured Neuroscience

·December 15, 2025·5 min read

Neurons Use a Fast Structural Signal to Stabilize Communication

Neurons can rapidly rebalance their communication using a structural signal rather than electrical activity, overturning long-held assumptions about how synapses maintain stability. When receptors on the receiving side of a synapse were blocked, they physically reorganized, triggering the sending neuron to increase neurotransmitter release and preserve steady signaling.

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