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    Differences between young and older adults in unity and diversity of executive functions

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    Author
    Glisky, Elizabeth L
    Alexander, 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 Psychol
    Issue Date
    2020-10-08
    Keywords
    Aging
    confirmatory factor analysis
    Executive Functions
    
    Metadata
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    Publisher
    ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
    Citation
    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.
    Journal
    AGING NEUROPSYCHOLOGY AND COGNITION
    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 2020
    ISSN
    1382-5585
    EISSN
    1744-4128
    PubMed ID
    33028159
    DOI
    10.1080/13825585.2020.1830936
    Version
    Final accepted manuscript
    ae974a485f413a2113503eed53cd6c53
    10.1080/13825585.2020.1830936
    Scopus Count
    Collections
    UA Faculty Publications

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