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Brain’s Local Wiring Shields Thinking | Science News
New research reveals that the brain’s local wiring—superficial white matter—may act as a protective shield against age-related cognitive decline, especially for language skills. While gray matter naturally shrinks with age, healthy connections between nearby brain regions can buffer the impact, reducing noticeable declines in thinking and speaking abilities. Using advanced MRI scans on nearly 500 adults over 60 in India, scientists found that the density and integrity of these local pathways strongly correlate with better language performance. This suggests the brain may have built-in…
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