Intraindividual variability in neurocognitive performance is associated with time-based prospective memory in older adults

Journal of Clinical and Experimental Neuropsychology
Kelli L SullivanMichael Weinborn

Abstract

Older adults demonstrate poorer prospective memory (PM) performance than younger adults, particularly for time-based cues and other strategically demanding PM tasks. Intraindividual variability (IIV) in neurocognitive test performance is an index of cognitive control that may be related to the execution of strategically demanding PM tasks. Participants included 194 older Australian adults (age 50 to 88 years) who completed the Memory for Intentions Screening Test (MIST), the Prospective and Retrospective Memory Questionnaire (PRMQ), and clinical measures of executive functions. A measure of naturalistic time-based PM was also administered, in which participants were asked to call the examiner 24 hours after their appointment to report how many hours they slept. IIV was calculated as the mean-adjusted coefficient of variation (CoV) across subtests of the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS). IIV was significantly associated with time-based PM in the laboratory, independent of demographics. Additionally, IIV significantly predicted performance on a naturalistic time-based PM trial, independent of demographics and chronic medical conditions. IIV was not related to event-based laboratory PM or ...Continue Reading

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Citations

Apr 18, 2020·The Clinical Neuropsychologist·Giovanna MioniFranca Stablum
Aug 11, 2020·Journal of Cognitive Enhancement·Christopher R Brydges, Allison A M Bielak
Dec 8, 2020·Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition·Lei GryffyddGlynda J Kinsella
Jun 4, 2021·Journal of Clinical and Experimental Neuropsychology·Lei GryffyddGlynda J Kinsella
Jun 4, 2021·Frontiers in Artificial Intelligence·Graciela Muniz-TerreraMichael D Lesh

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