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Cognitive control in children with ADHD-C: how efficient are they?
Kate D Randall1, Karin C Brocki, Kimberly A Kerns
1Department of Psychology, University of Victoria, BC, Canada.
Children with attention deficit/hyperactivity disorder, combined type (ADHD-C), show deficits in cognitive control efficiency. This study highlights the importance of analyzing performance efficiency to understand ADHD-C cognitive functioning.
Area of Science:
- Neuroscience
- Developmental Psychology
- Clinical Psychology
Background:
- Cognitive control deficits are implicated in Attention Deficit/Hyperactivity Disorder, Combined Type (ADHD-C).
- Previous research has yielded inconclusive findings regarding specific deficits in interference control and response selection in ADHD-C.
Purpose of the Study:
- To investigate the performance of children with ADHD-C on tasks measuring interference control and response selection.
- To utilize a novel efficiency-based analysis to better characterize cognitive control functioning in ADHD-C.
Main Methods:
- Computerized cognitive tasks assessing interference control and response selection were administered to 62 boys (ages 7-12).
- Participants included 31 children with ADHD-C and 31 typically developing controls.
- Data analysis incorporated an efficiency method to evaluate response performance.
Main Results:
- Children with ADHD-C demonstrated significant deficits in efficient performance on both interference control and response selection tasks.
- These deficits were particularly evident in tasks with high cognitive control demands.
Conclusions:
- The findings underscore the utility of efficiency-based data analysis for identifying cognitive control impairments in children with ADHD-C.
- This approach enhances the understanding of cognitive control mechanisms in the ADHD-C population.
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