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Internal representation of movement in children with developmental coordination disorder : a mental rotation task

Wilson, P. H., Maruff, P., Butson, M., Williams, J., Lum, Jarrad and Thomas, P. R. 2004, Internal representation of movement in children with developmental coordination disorder : a mental rotation task, Developmental medicine and child neurology, vol. 46, no. 11, pp. 754-759, doi: 10.1017/S001216220400129X.

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Title Internal representation of movement in children with developmental coordination disorder : a mental rotation task
Author(s) Wilson, P. H.
Maruff, P.
Butson, M.
Williams, J.
Lum, JarradORCID iD for Lum, Jarrad orcid.org/0000-0003-2098-2403
Thomas, P. R.
Journal name Developmental medicine and child neurology
Volume number 46
Issue number 11
Start page 754
End page 759
Publisher Cambridge University Press
Place of publication Cambridge, England
Publication date 2004
ISSN 0012-1622
1469-8749
Keyword(s) child
female
hand -- physiology
humans
male
mental processes -- physiology
motion perception
motor skills disorders -- physiopathology
movement -- physiology
reaction Time
rotation
Summary Recent studies show that children with developmental coordination disorder (DCD) have difficulties in generating an accurate visuospatial representation of an intended action, which are shown by deficits in motor imagery. This study sought to test this hypothesis further using a mental rotation paradigm. It was predicted that children with DCD would not conform to the typical pattern of responding when required to imagine movement of their limbs. Participants included 16 children with DCD and 18 control children; mean age for the DCD group was 10 years 4 months, and for controls 10 years. The task required children to judge the handedness of single-hand images that were presented at angles between 0° and 180° at 45° intervals in either direction. Results were broadly consistent with the hypothesis above. Responses of the control children conformed to the typical pattern of mental rotation: a moderate trade-off between response time and angle of rotation. The response pattern for the DCD group was less typical, with a small trade-off function. Response accuracy did not differ between groups. It was suggested that children with DCD, unlike controls, do not automatically enlist motor imagery when performing mental rotation, but rely on an alternative object-based strategy that preserves speed and accuracy. This occurs because these children manifest a reduced ability to make imagined transformations from an egocentric or first-person perspective.
Language eng
DOI 10.1017/S001216220400129X
Field of Research 170299 Cognitive Science not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2004, Mac Keith Press
Persistent URL http://hdl.handle.net/10536/DRO/DU:30006563

Document type: Journal Article
Collection: School of Psychology
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