Multiple task interference is greater in children with ADHD.

Mark McIntosh,'s picture
PubMed URL: 
http://www.ncbi.nlm.nih.gov/pubmed/22339226
Author: 
Mahone EM
Author List: 
Ewen JB
Moher JS
Lakshmanan BM
Ryan M
Xavier P
Crone NE
Denckla MB
Egeth H
Mahone EM
Journal: 
Dev Neuropsychol
PubMed ID: 
22339226
Pagination: 
119-33
Volume: 
37
Issue: 
2
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.
Published Date: 
January, 2012

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