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Neuropsychological profile of executive function in girls with attention-deficit/hyperactivity disorder.
|Title||Neuropsychological profile of executive function in girls with attention-deficit/hyperactivity disorder.|
|Publication Type||Journal Article|
|Year of Publication||2010|
|Authors||O'Brien JW, Dowell LR, Mostofsky SH, Denckla MB, Mahone ME|
|Journal||Archives of clinical neuropsychology : the official journal of the National Academy of Neuropsychologists|
|Date Published||2010 Nov|
The majority of research on neurobehavioral functioning among children with Attention-Deficit/Hyperactivity Disorder (ADHD) is based on samples comprised primarily (or exclusively) of boys. Although functional impairment is well established, available research has yet to specify a neuropsychological profile distinct to girls with ADHD. The purpose of this study was to examine performance within four components of executive function (EF) in contemporaneously recruited samples of girls and boys with ADHD. Fifty-six children with ADHD (26 girls) and 90 controls (42 girls), ages 8-13, were administered neuropsychological tests emphasizing response inhibition, response preparation, working memory, and planning/shifting. There were no significant differences in age or SES between boys or girls with ADHD or their sex-matched controls; ADHD subtype distribution did not differ by sex. Compared with controls, children with ADHD showed significant deficits on all four EF components. Girls and boys with ADHD showed similar patterns of deficit on tasks involving response preparation and working memory; however, they manifested different patterns of executive dysfunction on tasks related to response inhibition and planning. Girls with ADHD showed elevated motor overflow, while boys with ADHD showed greater impairment during conscious, effortful response inhibition. Girls, but not boys with ADHD, showed impairment in planning. There were no differences between ADHD subtypes on any EF component. These findings highlight the importance of studying boys and girls separately (as well as together) when considering manifestations of executive dysfunction in ADHD.
|Alternate Journal||Arch Clin Neuropsychol|