Summary: | 碩士 === 國立屏東教育大學 === 體育學系 === 96 === Background: Children with Developmental Coordination Disorder (DCD) are those with motor impairment and represent an enormously heterogeneous group, but they do not have any medical condition and not be of low IQ. The mechanism of impairments of motor coordination is most pronounced on and strongly associated with deficits of motor control, or problems of information process. Purpose: The aim of the current study was designed to explore the difference of exogenous total response times and visual-perceptual performance between children with and without DCD on lower extremities, and the correlation between visual-perceptual skills independent of the motor component and behavioural performance.. Method: Three hundred and eighteen children aged 9 to 10 years were recruited with stratified random selection for sampling from regular classroom settings in the middle and the southern of Taiwan and screened with the . Movement Assessment Battery for Children (Movement ABC). Thirty children with DCD and balance problems (DCD-BP), along with 30 typically developing children, were identified and, then, tested with the exogenous total response time and visual perception separately. Conclusion: Children with DCD-BP performed significantly worse compared to typically developing children on the ability of inhibitory response and visual-perceptual performance. There were significant effect of group on the behaviour perfromance, with children with DCD-BP spending more reaction time and exihibiting a significantly higher error rate than typically developing children when encountering an invalid situiation. Children with DCD-BP also performed significantly worse on the visual-perceptual test. Significant correlation was only found between total visual-perceptual score and exogenously behaviour performance in children with DCD-BP.
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