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Child Psychiatry Hum Dev. 1991 Winter;22(2):79-87.

Cognitive effects of psychostimulant medication in hyperactive children.

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1
Ecole de Psychologie, Université Laval Ste Foy, Québec, Canada.

Abstract

Hyperactive and normal children were given a test of selective attention (Stroop test) and a neurocognitive test sensitive to a functional deficit of prefrontal cortex (Wisconsin Card Sorting Test). Hyperactive children showed significant deficits on both measures. After a year of psychostimulant medication, the hyperactive children all showed clinical and neurocognitive improvement, but continued to show a selective attention deficit compared with normal children. The results indicate a dissociation between the cognitive processes measured by the Wisconsin test and selective attention as measured by the Stroop, and that the selective attention deficit is more resistant to psychostimulant intervention.

PMID:
1686856
[Indexed for MEDLINE]
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