Loh, Pek Ru, Piek, Jan P., and Barrett, Nicholas C. (2005) Motor dysfunctions in ADHD and DCD: an examination of the error correction mechanisms. In: Posters from the 6th Developmental Coordination Disorder Conference. p. 1. From: DCD 6: 6th Developmental Coordination Disorder Conference, 2005, Trieste, Italy.

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Abstract

A high incidence of overlap between ADHD and DCD suggests that they may be related. However, different deficits may underlie the disorders. ADHD has response inhibition deficit whereas DCD has efference copy deficit. The present study examines the presence of these deficits in the respective disorders and within the ADHD subtypes. The ability of children to amend their hand movements during target perturbation is investigated in a double-step tracking task. Participants were children aged 10 to 12. The ADHD symptoms were screened by Australian Disruptive Behaviours Scale, Conner's Parent Rating Scale-Revised:L and Conner's Parent Rating Scale-Revised:L; DCD symptoms were screened by Developmental Coordination Disorder Questionnaire and McCarrson Assessment of Neuromuscular Development measure. ADHD-PI only, ADHD-C only, ADHD-PI with DCD, ADHD-C with DCD, DCD only, and a comparison group were studied. The participants were required to capture a target that skipped twice in succession. Compared to other groups, control children were able to adjust the initial response amplitude as a function of the time between a superseding stimulus and initiation of a response. The corrective response furthermore was accurate with respect to the final step position. The results are discussed in terms of an error averaging mechanism underlying tracking performance.

Item ID:	38135
Item Type:	Conference Item (Poster)
Date Deposited:	21 Jul 2016 00:57
FoR Codes:	17 PSYCHOLOGY AND COGNITIVE SCIENCES > 1701 Psychology > 170112 Sensory Processes, Perception and Performance @ 34% 17 PSYCHOLOGY AND COGNITIVE SCIENCES > 1701 Psychology > 170102 Developmental Psychology and Ageing @ 33% 17 PSYCHOLOGY AND COGNITIVE SCIENCES > 1701 Psychology > 170109 Personality, Abilities and Assessment @ 33%
SEO Codes:	97 EXPANDING KNOWLEDGE > 970117 Expanding Knowledge in Psychology and Cognitive Sciences @ 100%
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