Longitudinal studies have shown an increase in cognitive decline many years before clinical diagnosis of dementia. We sought to estimate changes, relative to “normal” aging, in the trajectory of scores… Click to show full abstract
Longitudinal studies have shown an increase in cognitive decline many years before clinical diagnosis of dementia. We sought to estimate changes, relative to “normal” aging, in the trajectory of scores on a global cognitive function test—the Cognitive Abilities Screening Instrument (CASI).
               
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