A comparison of motor imagery performance in children with spastic hemiplegia and developmental coordination disorder |
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Authors: | Williams Jacqueline Anderson Vicki Reddihough Dinah S Reid Susan M Vijayakumar Nandita Wilson Peter H |
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Institution: | Institute of Sport, Exercise and Active Living, and School of Sport and Exercise Science, Victoria University, Melbourne, Victoria, Australia. jacqueline.williams@vu.edu.au |
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Abstract: | Individuals with hemiplegia have difficulty planning movements, which may stem from deficits in motor imagery ability. We explored motor imagery ability in three groups of 21 children, aged 8-12 years: children with hemiplegia; children with developmental coordination disorder (DCD); and a comparison group. They completed two tasks requiring laterality judgments of body parts--hand and whole-body rotation. Accuracy in both was reduced for the motor-impaired groups, and response time was atypical for the whole-body task. This suggests that motor imagery deficits exist in children with hemiplegia and DCD, supporting previous findings that planning deficits in hemiplegia may result from deficits in motor imagery. |
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