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neurobiology

This shows a woman in a face mask surrounded by the COVID virus.

·November 13, 2025·6 min read

Why Women Face Worse Long COVID

New research reveals that women with long COVID show distinct biological disruptions — including gut inflammation, anemia, and abnormal hormone levels — that may explain their heightened and persistent symptoms. These findings emerged from immune, biomarker, and genetic analyses in people one year after infection.

Featured Neuroscience Psychology

·November 13, 2025·7 min read

The Hidden Risks You Make Every Day

Researchers surveyed more than 4,300 people to create the first large-scale inventory of modern real-life risky choices, revealing which decisions people actually struggle with in daily life. The most common risks weren’t financial or recreational—they were job-related choices, such as quitting or starting a new role, followed by health, financial, and social decisions.

This shows a brain with a night and day background.

Featured Neuroscience

·November 13, 2025·6 min read

Brain Learning Power Peaks at Specific Times of Day

A new study reveals that the brain’s responsiveness and capacity for learning shift with the time of day, governed by molecules like adenosine that link metabolism, sleep, and neural signaling. Using optogenetics, researchers found that identical stimuli activated brain cells differently at sunrise versus sunset, suggesting that neuronal excitability and plasticity follow daily rhythms.

This shows kids eating food, thinking about fish.

Featured Neuroscience Psychology

·November 12, 2025·6 min read

Low Omega-3 Linked to Higher ADHD Symptoms

A new study reveals that low omega-3 fatty acid intake is associated with increased ADHD symptoms among Palestinian adolescents. Researchers found that socioeconomic disparities—particularly those limiting access to omega-3–rich foods like fish and nuts—intensify ADHD-related behavioral and attention difficulties.

Featured Neurology Neuroscience

·November 12, 2025·5 min read

Alzheimer’s Drug Reduces Amyloid but Fails to Restore Brain Waste Flow

Researchers found that lecanemab, the Alzheimer’s drug designed to clear amyloid-β plaques, does not improve the brain’s waste clearance system in the short term. In a three-month study using MRI-based DTI-ALPS imaging, scientists observed no measurable recovery in glymphatic function after treatment.

Featured Neurology Neuroscience

·November 12, 2025·5 min read

Speaking Multiple Languages May Slow Down Biological Aging

A large-scale study of more than 86,000 Europeans found that speaking multiple languages may help slow biological and cognitive aging. Using artificial intelligence to assess “biobehavioral age gaps,” researchers discovered that multilingual individuals were over twice as likely to show signs of healthy aging compared to monolinguals.

Featured Genetics Neuroscience

·November 12, 2025·5 min read

Genome Study Reveals True Genetic Influence on Traits

Using full genome sequencing data from more than 347,000 individuals, researchers quantified how much genetic differences explain human traits such as height, body mass index, fertility, and disease risk. The results show that genes account for roughly 30% of the variation between individuals, with higher estimates for traits like height and lower for fertility.

This shows a brain in a football stadium.

Featured Neuroscience Psychology

·November 12, 2025·7 min read

Rivalry Rewires the Brain: Why Fans Lose Control in an Instant

New brain-imaging research shows that soccer fans experience rapid shifts in reward and self-control circuits when their team wins or loses against a rival. Victories trigger heightened reward responses, while defeats suppress the dorsal anterior cingulate cortex, the brain region responsible for regulating emotion and behavior.

Featured Neuroscience

·November 12, 2025·5 min read

Estrogen Shapes Dopamine Reward Learning

A new study shows that estrogen naturally modulates dopamine signaling in the brain, altering how female rats learn reward cues across the reproductive cycle. When estrogen levels were high, dopamine responses in the reward center intensified, improving learning.

Featured Neurology Neuroscience

·November 11, 2025·6 min read

Everyday Speech May Reveal Early Cognitive Decline

Researchers found that everyday speech timing — including pauses, fillers, and subtle patterns — strongly reflects executive function, a key cognitive system that supports memory and flexible thinking. Using AI to analyze natural speech, the study showed that these linguistic features can predict cognitive-test performance independent of age, sex, or education.

Featured Neuroscience Psychology

·November 11, 2025·6 min read

AI Models Form Theory-of-Mind Beliefs

Researchers showed that large language models use a small, specialized subset of parameters to perform Theory-of-Mind reasoning, despite activating their full network for every task. This sparse internal circuitry depends heavily on positional encoding, especially rotary positional encoding, which shapes how the model tracks beliefs and perspectives.

Featured Neurology Neuroscience Psychology

·November 11, 2025·7 min read

Stress Undermines Brain Circulation, Increases Dementia Risk

Researchers found that a rare class of neurons—type-one nNOS neurons—plays a central role in regulating brain blood flow and coordinating neural activity in mice. Removing these stress-vulnerable cells caused major drops in vessel oscillations and widespread reductions in electrical signaling, suggesting a crucial link between neuron loss, blood-flow decline, and brain-function impairment.

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neurobiology

Why Women Face Worse Long COVID

The Hidden Risks You Make Every Day

Brain Learning Power Peaks at Specific Times of Day

Low Omega-3 Linked to Higher ADHD Symptoms

Alzheimer’s Drug Reduces Amyloid but Fails to Restore Brain Waste Flow

Speaking Multiple Languages May Slow Down Biological Aging

Genome Study Reveals True Genetic Influence on Traits

Rivalry Rewires the Brain: Why Fans Lose Control in an Instant

Estrogen Shapes Dopamine Reward Learning

Everyday Speech May Reveal Early Cognitive Decline

Stress Undermines Brain Circulation, Increases Dementia Risk

Hippocampus Predicts Rewards by Reorganizing Memories

Memory Rewritten: Study Finds No Clear Line Between Episodic and Semantic Retrieval

Brain Stimulation Method Can Evaluate Consciousness in Alzheimer’s Disease

Early Intervention Helps Most Autistic Children Acquire Spoken Language

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