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    Amyloid ß–associated cognitive decline in the absence of clinical disease progression and systemic illness

    Access Status
    Fulltext not available
    Authors
    Harrington, K.
    Lim, Y.
    Ames, D.
    Hassenstab, J.
    Laws, Simon
    Martins, R.
    Rainey-Smith, S.
    Robertson, J.
    Rowe, C.
    Salvado, O.
    Doré, V.
    Villemagne, V.
    Snyder, P.
    Masters, C.
    Maruff, P.
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    Harrington, K. and Lim, Y. and Ames, D. and Hassenstab, J. and Laws, S. and Martins, R. and Rainey-Smith, S. et al. 2017. Amyloid ß–associated cognitive decline in the absence of clinical disease progression and systemic illness. Alzheimer's and Dementia: Diagnosis, Assessment and Disease Monitoring. 8: pp. 156-164.
    Source Title
    Alzheimer's and Dementia: Diagnosis, Assessment and Disease Monitoring
    DOI
    10.1016/j.dadm.2017.05.006
    ISSN
    2352-8729
    School
    School of Pharmacy and Biomedical Sciences
    URI
    http://hdl.handle.net/20.500.11937/73085
    Collection
    • Curtin Research Publications
    Abstract

    © 2017 The Authors Introduction High levels of amyloid ß (Aß) are associated with cognitive decline in cognitively normal (CN) older adults. This study investigated the nature of cognitive decline in healthy individuals who did not progress to mild cognitive impairment or dementia. Method Cognition was measured over 72 months and compared between low (Aß-) and high (Aß+) CN older adults (n = 335) who did not progress to mild cognitive impairment or dementia and who remained free of severe or uncontrolled systemic illness. Results Compared to the Aß- group, the Aß+ group showed no cognitive impairment at baseline but showed substantial decline in verbal learning, episodic memory, and attention over 72 months. Discussion Moderate cognitive decline, particularly for learning and memory, was associated with Aß+ in CN older adults in the absence of clinical disease progression and uncontrolled or serious comorbid illness.

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