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Oculomotor Performance Identifies Underlying Cognitive Deficits in Attention-Deficit/Hyperactivity Disorder

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Fiscal Year:
2009
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Product Description:
Objective: To evaluate cognitive control in children with attention-deficit/hyperactivity disorder (ADHD) using oculomotor tests of executive function. Results: All children had intact sensorimotor function and working memory. Children with ADHD showed susceptibility to peripheral distractors and deficits in response inhibition. Increased interstimulus (IS) fixation periods on the antisaccade task were associated with improved performance and decreased reaction times on correct trials for controls but not for children with ADHD. Conclusions: Response inhibition deficits in ADHD on oculomotor tasks are consistent with other studies. The failure of children with ADHD to use delay periods to decrease response inhibition errors and reaction time suggests that this time is not used to prepare a response. These findings highlight the importance of considering cognitive processing components affected by ADHD in addition to core behavioral symptoms, particularly in designing new treatment strategies.
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Product/Publication Type(s):
Peer-reviewed publications in scholarly journals Published/In Press
Target Audience:
Professionals
Alternative Format:
Electronic (disc, CD, 508 compliant web posting)
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COVID-19 Related Data:
N/A