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Reduced motor imagery efficiency is associated with online control difficulties in children with probable developmental coordination disorder

Fuelscher, Ian, Williams, Jacqueline, Enticott, Peter G. and Hyde, Christian 2015, Reduced motor imagery efficiency is associated with online control difficulties in children with probable developmental coordination disorder, Research in developmental disabilities, vol. 45-46, pp. 239-252, doi: 10.1016/j.ridd.2015.07.027.

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Title Reduced motor imagery efficiency is associated with online control difficulties in children with probable developmental coordination disorder
Author(s) Fuelscher, IanORCID iD for Fuelscher, Ian orcid.org/0000-0002-4875-0105
Williams, Jacqueline
Enticott, Peter G.ORCID iD for Enticott, Peter G. orcid.org/0000-0002-6638-951X
Hyde, ChristianORCID iD for Hyde, Christian orcid.org/0000-0003-4833-4782
Journal name Research in developmental disabilities
Volume number 45-46
Start page 239
End page 252
Total pages 14
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-10
ISSN 0891-4222
Keyword(s) Action representation
Developmental coordination disorder
Motor imagery
Online control
Summary Recent evidence indicates that the ability to correct reaching movements in response to unexpected target changes (i.e., online control) is reduced in children with developmental coordination disorder (DCD). Recent computational modeling of human reaching suggests that these inefficiencies may result from difficulties generating and/or monitoring internal representations of movement. This study was the first to test this putative relationship empirically. We did so by investigating the degree to which the capacity to correct reaching mid-flight could be predicted by motor imagery (MI) proficiency in a sample of children with probable DCD (pDCD). Thirty-four children aged 8 to 12 years (17 children with pDCD and 17 age-matched controls) completed the hand rotation task, a well-validated measure of MI, and a double-step reaching task (DSRT), a protocol commonly adopted to infer one's capacity for correcting reaching online. As per previous research, children with pDCD demonstrated inefficiencies in their ability to generate internal action representations and correct their reaching online, demonstrated by inefficient hand rotation performance and slower correction to the reach trajectory following unexpected target perturbation during the DSRT compared to age-matched controls. Critically, hierarchical moderating regression demonstrated that even after general reaching ability was controlled for, MI efficiency was a significant predictor of reaching correction efficiency, a relationship that was constant across groups. Ours is the first study to provide direct pilot evidence in support of the view that a decreased capacity for online control of reaching typical of DCD may be associated with inefficiencies generating and/or using internal representations of action.
Language eng
DOI 10.1016/j.ridd.2015.07.027
Field of Research 170106 Health, Clinical and Counselling Psychology
Socio Economic Objective 920410 Mental Health
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30074983

Document type: Journal Article
Collection: School of Psychology
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Created: Wed, 12 Aug 2015, 22:51:18 EST

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