Neuropsychology Focal and Nonfocal Prospective Memory Performance in Very Mild Dementia: A Signature Decline
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Focal and nonfocal prospective memory performance in very mild dementia: a signature decline.
OBJECTIVE In a recent study, performance on a certain kind of prospective memory task (PM), labeled focal PM, was sensitive to the very early stages of Alzheimer's disease (AD; Duchek, Balota, & Cortese, 2006). This study sought to replicate and extend these findings by investigating both focal and nonfocal PM, as well as possible influences of alleles of the apolipoprotein E (ApoE) gene. MET...
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The present study examined whether prospective memory performance discriminates healthy aging from very mild dementia of the Alzheimer type (DAT) and individuals at risk for DAT because of the presence of the apolipoprotein E (ApoE) epsilon4 allele. Four groups (young subjects, young-old control subjects, old-old control subjects, and subjects with very mild DAT) engaged in an event-based prosp...
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To address the mixed results reported in previous studies, the present experiments examined forgetting in prospective memory (PM) by manipulating the delay between the PM instructions and cue presentation in event-based PM tasks. PM performance was measured for delays of 2-20 min in Experiment 1 and for delays of approximately 1-10 min in Experiment 2. Experiment 2 included both focal and nonfo...
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