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    Neurocognitive functioning in adolescents with eating disorders: A population-based study

    Access Status
    Fulltext not available
    Authors
    Allen, K.
    Byrne, S.
    Hii, H.
    van Eekelen, A.
    Mattes, E.
    Foster, Jonathan
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Allen, Katrina L. and Byrne, Susan M. and Hii, Hilary and van Eekelen, Anke and Mattes, Eugen and Foster, Jonathan K. 2013. Neurocognitive functioning in adolescents with eating disorders: A population-based study. Cognitive Neuropsychiatry. 18 (5): pp. 355-375.
    Source Title
    Cognitive Neuropsychiatry
    DOI
    10.1080/13546805.2012.698592
    ISSN
    1354-6805
    URI
    http://hdl.handle.net/20.500.11937/5545
    Collection
    • Curtin Research Publications
    Abstract

    Introduction: Neurocognitive deficits have been identified in eating disorders, including anorexia nervosa and bulimia nervosa. However, current data do not allow for firm conclusions regarding the nature or extent of these deficits. The current study aimed to evaluate neurocognitive functioning in a population-based sample of adolescents with and without eating disorders.Methods: Participants (N=669) were drawn from the Western Australian Pregnancy Cohort (Raine) Study. Cognitive testing was conducted using the computerised CogState assessment battery. Eating disorder symptoms were assessed using questions adapted from the Child Eating Disorder Examination and Eating Disorder Examination–Questionnaire. Adolescents who met full or partial criteria for a DSM-IV eating disorder (n=58) were compared to adolescents with no significant eating pathology (n=592).Results: The eating disorder sample showed impaired performance on measures of executive functioning, including global processing and set shifting, but performed better than control participants on measures of visual attention and vigilance.Conclusions: This is the first study to evaluate neurocognitive functioning in a population-based sample of adolescents with eating disorders. Support is provided for weak central coherence and set-shifting difficulties early in the course of eating disorders. Research is needed to determine if these deficits precede and predict eating disorder onset.

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