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SuperAgers Reveal Brain Biology of Preserved Memory TL;DR: Octogenarians who recall words like 50-year-olds carry a distinct brain profile: preserved cortical volume, a cingulate cortex thicker than younger adults, larger entorhinal neurons, fewer inflammatory…
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Dopamine Disruption May Start Alzheimer’s Memory Failure TL;DR: In an Alzheimer’s mouse model, early memory failure tracked a broken dopamine signal into the lateral entorhinal cortex, and both optogenetic dopamine reactivation and L-DOPA partially restored le…
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How the Brain Separates What We Remember from Why We Remember It TL;DR: The brain stores content (what you remember) and context (when/where) in separate neural populations linked by real-time coordination, not pre-wired conjunctive cells—a design that trades…
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