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    Longitudinal change in language production: Effects of aging and dementia on grammatical complexity and semantic content

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    Kemper Longitudinal Change author final.pdf (912.3Kb)
    Issue Date
    2001-12
    Author
    Kemper, Susan
    Thompson, Marilyn
    Marquis, Janet
    Publisher
    American Psychological Association
    Type
    Article
    Article Version
    Scholarly/refereed, author accepted manuscript
    Metadata
    Show full item record
    Abstract
    Mixed modeling was used to examine longitudinal changes in linguistic ability in healthy older adults and older adults with dementia. Language samples, vocabulary scores, and digit span scores were collected annually from healthy older adults and semiannually from older adults with dementia. The language samples were scored for grammatical complexity and propositional content. For the healthy group, age-related declines in grammatical complexity and propositional content were observed. The declines were most rapid in the mid 70s. For the group with dementia, grammatical complexity and propositional content also declined over time, regardless of age. Rates of decline were uniform across individuals. These analyses reveal how both grammatical complexity and proposition content are related to late-life changes in cognition in healthy older adults as well as those with dementia. Alzheimer's disease accelerates this decline, regardless of age. (PsycINFO Database Record (c) 2010 APA, all rights reserved)
    Description
    This article may not exactly replicate the final version published in the APA journal. It is not the copy of record.
    URI
    http://hdl.handle.net/1808/8622
    DOI
    https://doi.org/10.1037/0882-7974.16.4.600
    Collections
    • Distinguished Professors Scholarly Works [918]
    • Psychology Scholarly Works [298]
    Citation
    Kemper, S., Thompson, M., & Marquis, J. (2001). Longitudinal change in language production: Effects of aging and dementia on grammatical complexity and propositional content. Psychology and Aging, 16, 600-614. http://psycnet.apa.org/doi/10.1037/0882-7974.16.4.600

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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