Is the Continuous Performance Task useful in research with ADHD children? Comments on a review

Article Abstract:

Corkum and Siegel's recent review of research works using the Continuous Performance Task (CPT) as a tool to study Attention-Deficit-Hyperactivity Disorder is flawed. The article, which appeared in the Journal of Child Psychology and Psychiatry, 1993, vol. 34, p. 1217, inadequately covers relevant literature, ignores the issue of the CPT's differential sensitivity across diagnostic groups, treats the reviewed studies suboptimally and does not effectively use arousal, activation and effort as explanatory concepts.

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Sustained attention, activation and MPH in ADHD: a research note

Article Abstract:

Methylphenidate (MPH) normalized slowness and performance deterioration in children with attention deficit hyperactivity disorder (ADHD) in a continuous performance task. The ADHD group without MPH was slower than the control group, with deterioration especially marked in the absence of the experimenter. A slow rate of stimuli presentation also affected the performance of the ADHD group, eliciting a deficit in sustained attention. Results are consistent with the hypothesis of low activation in ADHD.

Attention (Psychology), Methylphenidate, Attention, Methylphenidate hydrochloride

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Reply to Dr. Koelega: is the Continuous Performance Task useful in research with ADHD children? Comments on a review

Article Abstract:

The questions raised by Koelega (1995) in his criticism of the Corkum and Siegal's (1993) review of the Continuous Performance Task (COT) as a tool for researching Attention-Disorder-Hyperactivity Disorder are addressed. Explanations are offered regarding the review's weaknesses as perceived by Koelega, including its insufficient coverage of relevant literature, disregard for CPT's differential sensitivity across diagnostic groups, and the suboptimal treatment of the reviewed articles.

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