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Featured Neurology Neuroscience Visual Neuroscience

·August 26, 2025·6 min read

Eye Exams Could Spot Alzheimer’s Decades Before Symptoms Appear

Eye exams could help detect Alzheimer’s disease years before symptoms arise. By studying mice with a common genetic mutation, researchers found abnormal changes in retinal blood vessels that paralleled brain changes linked to dementia risk.

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Featured Neuroscience

·August 26, 2025·4 min read

Tiny Neurons Shape Empathy and Social Memory

A new study shows that specific brain cells called PV interneurons play a crucial role in social decision-making and empathy. When researchers suppressed these neurons in mice, the animals stopped differentiating between familiar and unfamiliar peers and failed to show preference for distressed companions.

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Featured Neurology Neuroscience

·August 26, 2025·3 min read

Elderly Positivity Bias May Signal Early Cognitive Decline

New research suggests that the tendency of older adults to misinterpret neutral or negative emotions as positive may be a warning sign of cognitive decline. In a study of 665 participants, positivity bias was associated with poorer cognitive performance but not with emotional decline such as depression.

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Featured Neuroscience

·August 26, 2025·5 min read

Baby Toolbox Transforms Early Infant Development Assessment

The NIH Baby Toolbox is a groundbreaking assessment system designed to evaluate infants’ and toddlers’ development from just 16 days old to 42 months. Using gaze-based learning and tablet-based tools, it allows clinicians and researchers to measure cognitive, motor, language, and social-emotional skills with unprecedented precision.

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Featured Neuroscience Psychology

·August 26, 2025·4 min read

High-THC Cannabis Linked to Psychosis and Addiction

A systematic review of nearly 100 studies found that high-THC cannabis products are linked to negative mental health outcomes, particularly psychosis, schizophrenia, and cannabis use disorder. While some therapeutic research hinted at benefits for anxiety and depression, results were inconsistent and often showed potential harm.

Featured Neurology Neuroscience

·August 26, 2025·8 min read

Blood Flow Dynamics Reveal Early Signs of Alzheimer’s Disease

Researchers have developed a non-invasive diagnostic tool for Alzheimer’s disease that measures how the brain regulates blood flow and oxygen. Called the Cerebrovascular Dynamics Index (CDI), it uses Doppler ultrasound and near-infrared spectroscopy to assess vascular responsiveness.

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Featured Neurology Neuroscience

·August 25, 2025·6 min read

Having a Purpose in Life Linked to Lower Dementia Risk

A new study of over 13,000 adults found that having a strong sense of purpose in life is linked to a reduced risk of dementia. Those with higher purpose were 28% less likely to develop cognitive impairment, even when accounting for genetic risk and other factors.

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Brain Cancer Featured Neurology Neuroscience

·August 25, 2025·7 min read

Head Injuries Linked to Higher Risk of Brain Cancers

A large study of more than 75,000 people has found that moderate-to-severe traumatic brain injury (TBI) is linked to an increased risk of malignant brain tumors. Within 3–5 years of injury, 0.6% of patients with significant TBIs developed tumors—higher than those without TBI.

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Featured Neuroscience Psychology

·August 25, 2025·3 min read

Brain Activity Pattern Linked to Self-Preoccupation and Anxiety

A new study identifies a brain activity pattern that signals self-preoccupied thinking, a trait associated with anxiety and depression. In experiments, the pattern appeared during mental breaks and predicted when people would soon turn their thoughts inward.

Featured Neuroscience Psychology

·August 24, 2025·5 min read

Personality Tests Like Myers-Briggs Can Mislead More Than Reveal

Personality tests like Myers-Briggs promise insight and self-discovery but often fall short of scientific reliability. Their appeal lies in fulfilling our psychological drive for identity and belonging, but many rely on vague descriptions that exploit the Barnum effect—similar to horoscopes.

Featured Neuroscience Psychology

·August 24, 2025·6 min read

Music After Learning Boosts Memory, But Only at the Right Emotion Level

A new study reveals that listening to music immediately after an experience can enhance memory—if the emotional response is just right. Researchers found that volunteers who experienced moderate arousal while listening to music were better at recalling details, while those with stronger or weaker emotions remembered only the gist.

Featured Neuroscience

·August 23, 2025·5 min read

Omega-3s May Protect Against Daytime Sleepiness

A new study has identified seven blood metabolites linked to excessive daytime sleepiness (EDS), a condition affecting one in three Americans. The findings show that both diet and hormones play a role, with omega-3 and omega-6 fatty acids associated with lower risk, and compounds like tyramine linked to higher risk.