Hidden brain wiring may help keep the mind sharp as gray matter shrinks
SMRTR summary
Scientists have found that the brain's local white matter "wiring" beneath gray matter may help protect thinking abilities as people age. Even when gray matter shrinks, people with healthier nearby white matter showed less cognitive decline, particularly in language skills. The study, involving 459 older adults in India, suggests brain resilience depends on both gray matter and the condition of surrounding connective tissue.
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