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Updated: May 24, 2026

The Adventures of Fundi Intervention Based on the Cognitive and Emotional Processing in Attention Deficit Hyperactive Disorder Patients
Published on: June 12, 2020
Multiple task interference is greater in children with ADHD
Joshua B Ewen1, Jeffrey S Moher, Balaji M Lakshmanan
1Department of Neurology and Developmental Medicine, Kennedy Krieger Institute, Baltimore, Maryland, USA. ewen@kennedykrieger.org
Abstract:
There is considerable lay discussion that children with attention deficit hyperactivity disorder (ADHD) have increased difficulty with multitasking, but there are few experimental data. In the current study, we examine the simultaneous processing of two stimulus-response tasks using the Psychological Refractory Period (PRP) effect. We hypothesized that children with ADHD would show a greater PRP effect, suggesting a prolonged "bottleneck" in stimulus-response processing. A total of 19 school-aged children with ADHD showed a prolonged PRP effect compared with 25 control children, suggesting a higher cognitive cost in ADHD for multitasking.
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