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Distractibility in hyperactive and conduct-disordered children

P W Leung1, K J Connolly

  • 1Department of Psychology, Chinese University of Hong Kong, Shatin, New Territories, Hong Kong.

Journal of Child Psychology and Psychiatry, and Allied Disciplines
|March 1, 1996
PubMed
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Hyperactive children exhibit significant distractibility when faced with interfering stimuli, a finding supported by a Chinese Stroop Test. This enhanced distractibility in hyperactive (HA) children suggests diagnostic value for hyperactivity.

Area of Science:

  • Developmental Psychology
  • Child Psychiatry
  • Neuroscience

Background:

  • Children with hyperactivity are often described as inattentive and distractible, but empirical evidence is inconsistent.
  • Existing research on distractibility in hyperactive children yields equivocal results, necessitating further investigation.

Purpose of the Study:

  • To investigate the discrepancy in findings regarding distractibility in hyperactive children.
  • To assess the diagnostic value of distractibility in differentiating hyperactive children from other groups.

Main Methods:

  • A Chinese version of the Stroop Test was administered to 1479 Chinese boys in Hong Kong.
  • Participants were divided into four groups: pure hyperactive (HA), mixed hyperactive/conduct-disordered (HA + CD), pure conduct-disordered (CD), and normal controls (N).

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Main Results:

  • Hyperactive (HA) children demonstrated significantly greater distractibility when exposed to distracting stimuli.
  • Distractibility in HA children appeared influenced by stimulus potency and the random presentation order.
  • No similar deficit in distractibility was observed in the hyperactive/conduct-disordered (HA + CD) group.

Conclusions:

  • Enhanced distractibility is a specific characteristic of hyperactive children, indicating its potential diagnostic utility.
  • The findings raise questions about the distinct clinical identity of the mixed hyperactive/conduct-disordered diagnostic group.