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          cognition

          This shows a brain.
          FeaturedNeuroscience
          ·January 13, 2025·6 min read

          Brain Connectivity Patterns Link Vascular Disease to Cognitive Decline

          Researchers have identified how cerebrovascular disease (CeVD) disrupts brain connectivity, contributing to cognitive decline and neurodegeneration alongside Alzheimer’s disease (AD). By studying brain networks and blood biomarkers in older adults, they discovered distinct but additive effects of CeVD and AD-related markers on cognition and brain atrophy.
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          This shows an older woman doing a crossword.
          FeaturedNeurologyNeuroscience
          ·January 13, 2025·5 min read

          Indoor Temperatures Affect Cognitive Function in Older Adults

          A new study reveals that older adults experience the least attention difficulties when home temperatures remain between 68–75 ˚F (20–24 ˚C). Deviations beyond this range double the risk of attention lapses, highlighting how even current climate conditions may harm cognitive health.
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          This shows a woman sleeping.
          FeaturedNeuroscience
          ·January 8, 2025·5 min read

          Deep Sleep Drives Brain’s Waste Clearance, Aiding Cognitive Health

          Deep sleep may clear the brain of toxic waste via a process driven by norepinephrine, a molecule that creates rhythmic blood vessel contractions. This "brainwashing" system, part of the glymphatic system, helps remove harmful proteins linked to neurological disorders.
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          This shows Roman statues.
          FeaturedNeuroscience
          ·January 7, 2025·6 min read

          Lead Pollution Linked to IQ Decline in Roman-Era Europe

          A study analyzing Arctic ice cores reveals that lead pollution during the Roman Empire's height contributed to an estimated 2-3 point IQ decline across Europe. The pollution stemmed from silver mining and smelting, which released vast amounts of lead into the atmosphere.
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          This shows a salad.
          FeaturedNeuroscience
          ·January 4, 2025·4 min read

          Mediterranean Diet Improves Memory via Gut Microbiome Changes

          A new study reveals that the Mediterranean diet may enhance cognitive function by altering gut microbiota. Rats fed a Mediterranean-style diet showed distinct bacterial changes linked to better memory, cognitive flexibility, and working memory compared to those on a Western diet.
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          This shows kids and speech bubbles.
          AutismFeaturedNeuroscience
          ·January 3, 2025·4 min read

          Multilingualism Boosts Cognitive Skills in Children With Autism

          Children in multilingual households, including those with autism, demonstrate stronger executive functions, such as inhibition, flexibility, and perspective-taking, compared to monolingual peers. Speaking multiple languages also reduces repetitive behaviors and improves communication, key challenges in autism.
          Read More
          This shows a clock and a person.
          FeaturedNeuroscience
          ·January 2, 2025·6 min read

          How Altered States of Consciousness Change Time Perception

          Time perception varies depending on context, often slowing in emergencies or unfamiliar settings and speeding up during absorption or as we age. Time expansion experiences (Tees) occur when seconds stretch into minutes, frequently in accidents, sports, or moments of calm.
          Read More
          This shows a brain.
          FeaturedNeurologyNeuroscience
          ·December 20, 2024·5 min read

          AI Estimates Brain Age, Links Lifestyle to Cognitive Health

          Researchers used AI to analyze brain images from 70-year-olds, estimating their biological brain age and uncovering connections to lifestyle and health factors. Diabetes, inflammation, and high glucose levels were linked to older-looking brains, while regular exercise and healthy habits were associated with younger-looking brains.
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          This shows a brain in a glass.
          FeaturedNeuroscience
          ·December 20, 2024·4 min read

          How Alcohol Impairs the Brain’s Ability to Adapt and Learn

          Alcohol use disorder (AUD) disrupts cognitive flexibility, crucial for learning and adapting to change. New research reveals that chronic alcohol exposure alters the firing patterns of cholinergic interneurons (CINs), key neurons in the brain’s striatum that regulate dopamine and influence reward-driven learning.
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          This shows an older couple.
          FeaturedNeuroscience
          ·December 19, 2024·5 min read

          70 Is the New 60: Age Related Declines Slowing in Older People

          study highlights significant improvements in the physical and mental functioning of older adults in England compared to previous generations. Using data from the English Longitudinal Study of Aging, researchers found that advancements in education, nutrition, sanitation, and medical care have likely contributed to better health outcomes. For instance, a 68-year-old born in 1950 exhibited similar capacities to a 62-year-old born a decade earlier.
          Read More
          This shows a brain.
          FeaturedNeuroscience
          ·December 11, 2024·5 min read

          Brain-Wide Connections Predict Human Intelligence

          A recent study explores how connections across the entire brain predict human intelligence, moving beyond traditional focus on specific brain areas like the prefrontal cortex. Using fMRI data from over 800 individuals, researchers analyzed communication between brain regions to predict fluid, crystallized, and general intelligence scores.
          Read More
          This shows a person and a brain.
          FeaturedNeuroscience
          ·December 10, 2024·7 min read

          How Sleep Shapes Our Brain’s Mental Navigational Maps

          A new study reveals how the brain forms cohesive mental maps of spaces and highlights the critical role of sleep in this process. While "place cells" in the hippocampus mark specific locations, weaker spatial cells stitch these points into a comprehensive cognitive map.
          Read More
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          This shows two teens surrounded by clouds of smoke.

          Cannabis & Tobacco Co-Use Lower Cognitive Scores in Teens

          This shows a head.

          Brain’s Internal Disappointment Meter Forces Behavioral Change

          This shows an octopus.

          Octopuses Can Use Mirrors to Find Food

          This shows a cloudy head.

          Why the Brain Doesn’t Need Choices to Generate Intent

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