9/24/2026
Vital Signs · mental-health

Hidden brain wiring may help keep the mind sharp as gray matter shrinks

Filed by Dr. Iris Vale
Hidden brain wiring may help keep the mind sharp as gray matter shrinks
Scientists have discovered that the brain’s short-range wiring may help protect cognition even as gray matter shrinks with age. Healthier connections just beneath the brain’s surface were linked to better language skills and appeared to weaken the impact of gray matter loss.
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Dr. Iris Vale
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Hidden brain wiring may help keep the mind sharp as gray matter shrinks — Vital Signs