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    The characteristics of cognitive neuroscience tests in a schizophrenia cognition clinical trial: Psychometric properties and correlations with standard measures

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    Author
    Gold, J.M.
    Buchanan, R.W.
    Ball, M.P.
    McMahon, R.P.
    Date
    2019
    Journal
    Schizophrenia Research: Cognition
    Publisher
    Elsevier Inc.
    Type
    Article
    
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    See at
    https://doi.org/10.1016/j.scog.2019.100161
    Abstract
    In comparison to batteries of standard neuropsychological tests, cognitive neuroscience tests may offer a more specific assessment of discrete neurobiological processes that may be aberrant in schizophrenia. However, more information regarding psychometric properties and correlations with standard neuropsychological tests and functional measures is warranted to establish their validity as treatment outcome measures. The N-back and AX-Continuous Performance Task (AX-CPT) are two promising cognitive neuroscience tests designed to measure specific components of working memory and contextual processing respectively. In the current study, we report the psychometric properties of multiple outcome measures from these two tests as well as their correlations with standard neuropsychological measures and functional capacity measures. The results suggest that while the AX-CPT and N-back display favorable psychometric properties, they do not exhibit greater sensitivity or specificity with functional measures than standard neurocognitive tests.
    Sponsors
    This study was funded by National Institute of Mental Health Contract HHSN278200441003C to the University of California, Los Angeles (SRM, Principal Investigator). Double-blind medications were provided by Merck and Company.
    Keyword
    cognitive neuroscience tests
    contextual processing
    Schizophrenia
    Cognition
    Psychometrics
    Neuropsychological Tests
    Treatment Outcome
    Memory, Short-Term
    Sensitivity and Specificity
    Identifier to cite or link to this item
    https://www.scopus.com/inward/record.uri?eid=2-s2.0-85074487290&doi=10.1016%2fj.scog.2019.100161&partnerID=40&md5=3ecbe421e58d08d77b18d54c567ab889; http://hdl.handle.net/10713/11432
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.scog.2019.100161
    Scopus Count
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    UMB Open Access Articles 2019

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