Sleep disruption explains age-related prospective memory deficits: implications for cognitive aging and intervention

Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition
Lara FineRomola S Bucks

Abstract

The high prevalence of sleep disruption among older adults may have implications for cognitive aging, particularly for higher-order aspects of cognition. One domain where sleep disruption may contribute to age-related deficits is prospective memory-the ability to remember to perform deferred actions at the appropriate time in the future. Community-dwelling older adults (55-93 years, N = 133) undertook assessment of sleep using actigraphy and participated in a laboratory-based prospective memory task. After controlling for education, sleep disruption (longer awakenings) was associated with poorer prospective memory. Additionally, longer awakenings mediated the relationship between older age and poorer prospective memory. Other metrics of sleep disruption, including sleep efficiency and wake after sleep onset, were not related to prospective memory, suggesting that examining the features of individual wake episodes rather than total wake time may help clarify relationships between sleep and cognition. The mediating role of awakening length was partially a function of greater depression and poorer executive function (shifting) but not retrospective memory. This study is among the first to examine the association between objectivel...Continue Reading

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Citations

May 31, 2019·Current Neurology and Neuroscience Reports·Gustavo C RománAparajitha K Verma
Dec 16, 2020·Journal of the International Neuropsychological Society : JINS·Denise ParkerMichael Weinborn
Jul 17, 2019·Clocks & Sleep·Stéphane RehelGéraldine Rauchs
Jul 20, 2020·Progress in Neuro-psychopharmacology & Biological Psychiatry·Vinícius Dokkedal-SilvaMonica Levy Andersen
Sep 11, 2021·Neuroscience and Biobehavioral Reviews·Kelsey R SewellBelinda M Brown

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Software Mentioned

SPSS
Actilife
Prime

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