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    Inhibitory control and traumatic brain injury: The association between executive control processes and social communication deficits

    Access Status
    Fulltext not available
    Authors
    Pearce, B.
    Cartwright, Jade
    Cocks, Naomi
    Whitworth, Anne
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Pearce, B. and Cartwright, J. and Cocks, N. and Whitworth, A. 2016. Inhibitory control and traumatic brain injury: The association between executive control processes and social communication deficits. Brain Injury. 30 (13-14): pp. 1708-1717.
    Source Title
    Brain Injury
    DOI
    10.1080/02699052.2016.1202450
    ISSN
    0269-9052
    School
    School of Psychology and Speech Pathology
    URI
    http://hdl.handle.net/20.500.11937/51296
    Collection
    • Curtin Research Publications
    Abstract

    © 2016 Taylor & Francis Group, LLC.Primary objective: To further examine the proposed relationship between executive impairments in inhibitory control and social communication difficulties reflecting poor inhibition following TBI. Method: Inhibitory control was assessed in 14 adults with TBI on the Hayling Sentence Completion Test (HSCT). Errors on Part B (failed inhibition) and Part B-Part A response latencies (delayed inhibition) were examined. A relative, friend or frequent communication partner of each participant with TBI completed the La Trobe Communication Questionnaire (LCQ) on the communication difficulties of the person with TBI. The Inhibitory Control Factor (ICF) score of the LCQ based on seven items relating to poor inhibition was specifically analysed against performance on the HSCT. Results: Multiple regression analysis indicated that 58% (51% adjusted) of the variance in LCQ ICF scores was accounted for by measures on the HSCT. Only B–A response latencies on the HSCT explained a significant proportion of the variability in LCQ ICF scores. Conclusions: Reduced inhibition speed may more strongly contribute to disinhibited communication behaviours than failures in inhibition. These findings contribute to understanding of the cognitive processes underlying social communication and have the potential to support and inform the use and development of management practices for individuals following TBI.

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