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Applying a psychoeducational perspective to ADHD.

Ann Marie Penny1, Daniel A Waschbusch, Norm Carrey

  • 1Department of Psychology, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4J1. ampenny@dal.ca

Journal of Attention Disorders
|August 20, 2005
PubMed
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Children with ADHD symptoms show slower processing speed, a cognitive ability. This link between inattentive ADHD symptoms and processing speed remains even when considering test behavior.

Area of Science:

  • Cognitive Psychology
  • Neurodevelopmental Disorders
  • Child Psychology

Background:

  • Attention-Deficit/Hyperactivity Disorder (ADHD) is a common neurodevelopmental disorder.
  • Understanding the cognitive underpinnings of ADHD is crucial for effective interventions.
  • The Cattell-Horn-Carroll (CHC) theory provides a framework for understanding cognitive abilities.

Purpose of the Study:

  • To investigate the association between specific cognitive abilities, as defined by CHC theory, and ADHD symptoms in children.
  • To examine the mediating role of test session behavior in the relationship between cognitive abilities and ADHD.
  • To determine if slower processing speed is a cognitive correlate of ADHD, independent of behavior during testing.

Main Methods:

  • Utilized the Woodcock-Johnson Tests of Cognitive Ability (3rd ed.) to measure CHC abilities in children aged 6–12.

Related Experiment Videos

  • Compared cognitive performance and ADHD symptom presentation in children with and without ADHD (n=33 vs. n=19).
  • Employed mediation analysis to assess the influence of test session behavior on the cognitive ability-ADHD symptom relationship.

    • Main Results:

    • Inattentive ADHD symptoms were significantly associated with processing speed, even after accounting for test session behavior.
    • Both inattentive and hyperactive/impulsive ADHD symptoms were linked to visual-spatial processing.
    • The association between ADHD symptoms and visual-spatial processing was fully mediated by test session behavior.

    Conclusions:

    • Inattentive ADHD symptoms are linked to impaired processing speed in children.
    • This relationship between inattention and processing speed is robust and not explained by disruptive test behavior.
    • Visual-spatial processing deficits in ADHD may be secondary to behavioral challenges during cognitive testing.