Bidirectional association between executive and physical functions among older adults: A systematic review
Document Type
Article
Publication Date
3-1-2022
Abstract
Objective We aimed to examine the bidirectional associations between specific executive function (EF) and physical function (PF) subdomains among older adults. Methods A systematic literature search (MEDLINE, EMBASE, PsycINFO, EBSCOHOST, Scopus and EmCare) was undertaken from February 2018 to May 2020. Observational studies measuring associations between EF and PF subdomains among older adults were included. Results Twenty-nine studies met the inclusion criteria. Twenty-seven studies reported associations between EF and PF. There were bidirectional associations between slower processing speed and slower gait speed; slower processing speed and lower muscle strength; and lower verbal fluency and slower gait speed. Lower muscle strength was unilaterally associated with lower working memory. Conclusions We found consistent bidirectional associations between processing speed with gait speed and muscle strength, and verbal fluency and gait speed. There was a unidirectional association between muscle strength and working memory. Common causal mechanisms for EF and PF require further studies.
Keywords
Executive function, Older adults, Physical function, Physical performance, Subdomains
Divisions
medicinedept
Funders
None
Publication Title
Australasian Journal on Ageing
Volume
41
Issue
1
Publisher Location
111 RIVER ST, HOBOKEN 07030-5774, NJ USA