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A comprehensive investigation of memory impairment in attention deficit hyperactivity disorder and oppositional defiant disorder

Rhodes, Sinead M. and Park, Joanne and Seth, Sarah and Coghill, David R. (2012) A comprehensive investigation of memory impairment in attention deficit hyperactivity disorder and oppositional defiant disorder. Journal of Child Psychology and Psychiatry, 53 (2). pp. 128-137. ISSN 0021-9630

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    Abstract

    We conducted a comprehensive and systematic assessment of memory functioning indrug-naïve boys with attention deficit hyperactivity disorder (ADHD) and oppositional defiant disorder (ODD). Boys performed verbal and spatial working memory (WM) component (storage and central executive) and verbal and spatial storage load tasks, and the spatial span, spatial executive WM, spatial recognition memory and verbal recognition memory tasks from the Cambridge Neuropsychological Test Automated Battery. Groups comprised: (a) ADHD only (N = 21); (b) ADHD+ODD (N = 27); (c) ODD only (N = 21); and (d) typically developing (TYP) boys (N = 26). Groups were matched for age (M = 9.7 years) and sex (all boys). Confirmatory factor analyses confirmed the presence of five factors: verbal functioning, spatial functioning, WM storage, WM central executive and long-term memory (LTM). All three clinical groups demonstrated impaired memory performance. Boys with ODD and ODD+ADHD but not ADHD alone performed poorly on verbal memory tasks, whilst all three clinical groups showed impaired performance on spatial memory tasks. All three clinical groups performed poorly on the storage and central executive WM factors and the LTM factor. ADHD and ODD are characterised by impaired performance storage and central executive WM tasks and LTM tasks. This is, we believe, the first report of impaired WM and LTM performance in ODD. This study suggests that verbal memory difficulties are more closely associated with ODD than ADHD symptoms and that combined ADHD+ODD represents a true comorbidity. The data also support a small but growing number of suggestions in the literature of impaired LTM in ADHD.

    Item type: Article
    ID code: 34879
    Keywords: working memory, long-term memory, executive function, ADHD, ODD, attention deficit hyperactivity disorder , oppositional defiant disorder, Psychology, Pediatrics, Perinatology, and Child Health, Psychiatry and Mental health, Developmental and Educational Psychology
    Subjects: Philosophy. Psychology. Religion > Psychology
    Department: Faculty of Humanities and Social Sciences (HaSS) > School of Psychological Science and Health > Psychology
    Related URLs:
      Depositing user: Pure Administrator
      Date Deposited: 20 Oct 2011 18:51
      Last modified: 26 Apr 2014 01:25
      URI: http://strathprints.strath.ac.uk/id/eprint/34879

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