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Product

Intra-Individual Variability Among Children with ADHD on a Working Memory Task: An Ex-Gaussian Approach

Center:

CA-UC Davis at the MIND Institute, UCEDD/LEND

Fiscal Year:

2009

Contact Information:

Product Description:

Intra-individual variability on a computer-based working memory task was examined among 25 children/adolescents with ADHD and 24 typically developing peers. Participants completed the Visual Serial Addition Task (VSAT) and reaction time data were fit to an ex-Gaussian distribution. ADHD participants demonstrated significantly more variable performance than controls, and effects of working memory load were observed. Event rate, however, had no influence on group differences in performance. Follow-up correlations revealed associations between VSAT performance and ADHD symptomatology. This study supports intra-individual variability as a hallmark feature of ADHD beyond the domain of response inhibition and reinforces the need to consider variability in ADHD more broadly.

Keyword(s):

Product/Publication Type(s):

Peer-reviewed publications in scholarly journals Published/In Press

Target Audience:

Consumers/Families, Professionals, Students

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To Obtain Copies (URL or Email):

COVID-19 Related Data:

N/A

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