Behaviors analogous to frontal lobe dysfunction in children with attention deficit hyperactivity disorder

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Abstract
A hypothesis of frontal lobe dysfunction has been advanced to account for the behavioral characteristics of attention deficit hyperactive disorder (ADHD) children. This investigation was designed to determine if behaviors associated with frontal lobe pathology would be significantly different in ADHD children as compared to normal controls. Fifty-six subjects were evaluated on measures identified as sensitive to frontal lobe dysfunction including the Wisconsin Card Sorting Test, Trail-Making Test-B and the Stroop Color-Word Test. Analyses of covariance and discriminant function procedures indicated significant differences between the groups on test variables measuring perseveration, self-directed attention and inhibitory capacity, adding support to the frontal lobe dysfunction hypothesis. Results of group by age category analyses of covariance were utilized to make tentative descriptions of developmental trends.

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