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Attention Deficits in Children With Combined Autism and ADHD: A CPT Study

Astri J Lundervold¹, Marte Stickert², Mari Hysing³

¹Department of Biological and Medical Psychology, University of Bergen, Norway Uni Research, Bergen, Norway K.G. Jebsen Centre for Research on Neuropsychiatric Disorders, Bergen, Norway astri.lundervold@psych.uib.no.

Journal of Attention Disorders

|September 4, 2012

Abstract

Objective:

To investigate characteristics of attention in children with the combination of autism spectrum disorder (ASD) and ADHD.

Method:

Four groups of 8- to 10-year-old children were compared on the Conners' Continuous Performance Test-Second Edition (CCPT-II): (a) ASD + ADHD (n = 11), (b) ASD only (n = 9), (c) ADHD only (n = 38), and (d) no diagnosis (n = 134).

Results:

There was an overall effect of group on the Continuous Performance Test (CPT) index and measures of hit reaction time, accuracy, response style, variability, and consistency. The ASD + ADHD group, much like the ADHD only group, had a more risky response style, a higher variability, and a lower consistency than the ASD only group. The impact of intellectual function on CCPT-II performance was considerable in children within the ASD subgroups.

Conclusion:

The findings underscore the importance of including measures of attention and intellectual function when assessing children with the combination of ASD and ADHD.

Keywords:

ADHD Continuous Performance Test attention autism spectrum disorder inhibition variability

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