Differences between young and older adults in unity and diversity of executive functions
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Author
Glisky, Elizabeth LAlexander, Gene E
Hou, Mingzhu
Kawa, Kevin
Woolverton, Cindy B
Zigman, Erika K
Nguyen, Lauren A
Haws, Kari
Figueredo, Aurelio J
Ryan, Lee
Affiliation
Univ Arizona, Dept PsycholIssue Date
2020-10-08
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ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTDCitation
Glisky, E. L., Alexander, G. E., Hou, M., Kawa, K., Woolverton, C. B., Zigman, E. K., ... & Ryan, L. (2020). Differences between young and older adults in unity and diversity of executive functions. Aging, Neuropsychology, and Cognition, 1-26.Rights
Copyright © 2020 Informa UK Limited, trading as Taylor & Francis Group.Collection Information
This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.Abstract
Miyake and colleagues (2000) identified three independent but correlated components of executive function in young adults - set shifting, inhibition, and updating. The present study compared the factor structure in young adults to two groups of older adults (ages 60-73 and 74-98). A three-factor model of shifting, inhibition and updating was confirmed in young adults, but the factors were weakly or uncorrelated. In both older groups, a two-factor solution was indicated, updating/inhibition and shifting, which were moderately correlated in young-older adults, and strongly correlated in the old-older group. A nested factors model in the oldest group revealed a common factor, which loaded on all but one of the tests, and a shifting-specific factor. We concluded that in young adulthood, shifting, updating and inhibition may operate relatively independently. As people age and processing becomes less efficient, they may rely increasingly on general executive control processes, reallocating their limited resources to optimize performance.Note
12 month embargo; published online: 08 October 2020ISSN
1382-5585EISSN
1744-4128PubMed ID
33028159Version
Final accepted manuscriptae974a485f413a2113503eed53cd6c53
10.1080/13825585.2020.1830936
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