β-amyloid pathology and hippocampal atrophy are independently associated with memory function in cognitively healthy elderly.

When stratifying into the two age groups, the relationship between HV and memory was not statistically significant in the younger group (p = 0.066), but in the older group there was a highly significant relationship when controlling for demographic variables (β = 0.40; p < 0.001; Figs 1B and 2A , Suppl.

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