Massive Study Links Brain Atrophy to Memory Decline in Aging

Massive Study Links Brain Atrophy to Memory Decline in Aging

First seen 15 Jan 2026, 09:41 UTC NatureSciencedaily 24.3

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An international research effort analyzed data from over 10,000 MRI scans and 13,000 memory assessments from 3,700 cognitively healthy adults to understand age-related memory decline. The study found that brain atrophy is a significant factor in episodic memory loss, with associations becoming more pronounced with age and genetic risk for Alzheimer's Disease.