New Alzheimer’s Mutation Undermines Brain Immune Response
Summary: Researchers have identified a mutation in the TREM2 gene that interferes with the brain’s ability to clear toxic amyloid plaques and…
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Why Older Adults See Ambiguous Faces as Happier
Summary: A new study finds that older adults are more likely than younger people to interpret ambiguous facial expressions as happy rather…
Scientists Find Hidden Priming Step in Nerve-to-Muscle Signaling
Summary: An international research team has mapped, on a millisecond time scale, the precise sequence by which nerve signals trigger muscle activation.…
How Childhood Abuse Rewires the Brain and Alters DNA
Summary: New research shows that childhood maltreatment leaves measurable biological “scars” on DNA and is associated with lasting changes in brain structure…
Why Our Brains Perceive the Same Visual World
Summary: A new study shows that although individual human brains are wired differently, they can represent the world in remarkably similar ways.…
Astrocytes, Not Neurons, Drive Emotional Memory in the Brain
Summary: New research from RIKEN shows that astrocytes — not neurons alone — play a central role in stabilizing emotionally charged memories.…
How Synapses Mature: The Science of Neural Connections
Summary: A new study from the Picower Institute at MIT reveals how newly formed synapses gradually mature to transmit chemical signals correctly.…
Exercise Boosts Women’s Cognition More Than Ovulation Timing
Summary: A UCL study found that women’s cognitive performance—measured by reaction time and accuracy—peaked at ovulation, but physical activity level had a…
Why Faces Look Angrier From a Distance
Summary: New research shows that our bodily movements can change how we interpret facial expressions. In virtual reality experiments, participants were more…
Pregnancy Hormones May Treat Progressive Multiple Sclerosis
Summary: Researchers at Texas A&M report that two forms of estrogen—estradiol and estriol—can reduce spinal cord inflammation and protect nerve fibers in…
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