The Effect of Transcranial Direct Current Stimulation (tDCS) and Playing-Based Exercises on Sensory-Motor Functions in Children with Developmental Coordination Disorder (DCD)

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Paper ID : 1309-SPORTCONGR
Authors
1Department of Psychology, Faculty of Psychology and Educational Sciences, University of Tehran, Tehran, Iran
2Department of Motor Development, Faculty of Sport Sciences, University of Tehran, Tehran, Iran
Abstract
Introduction: The purpose of the current research is to investigate the effect of transcranial direct current stimulation and playing-based exercises on sensory-motor functions in children with developmental coordination disorder (DCD).
Methods: The research method is semi-experimental, with pre-test and post-test designs. For this purpose, 36 children (8 to 12 years of age) were selected using screening tests (Developmental Coordination Disorder Questionnaire, IQ)(Moradi, et al, 2018). After completing Conner neuropsychological testing questionnaire as the pre-test, they were randomly divided into three groups of 12: tDCS, Playing-Based Exercises, and control groups. Then the experimental groups underwent Transcranial Direct Current Stimulation (8 sessions and 3 sessions per week)(Bahrami, et al, 2020) and playing-based exercises (36 sessions and 3 sessions per week)(Shoja & Ghasemi, 2019), while the control group did their usual activities in their life. afterward, the post-test was performed to evaluate Sensory-Motor functions between the three groups. Shapiro Wilk test was used to check the normality and t-test and analysis of covariance were run to determine intra-group and inter-group differences, respectively.
Results: The findings of this research showed that Transcranial Direct Current Stimulation and Playing-Based Exercises have a significant impact on increasing the Sensory-Motor Functions in Children with Developmental Coordination Disorder. In fact, the results showed that there is a significant difference between pre-test and post-test scores in the two experimental groups. However, no significant difference was observed between the mean scores of pre-test and post-test in the control group. The findings showed that there is a significant difference between the two experimental groups with different interferences. Also, the tDCS group has a greater effect than the Playing-Based Exercises on further improvement in Sensory-Motor Functions.
Conclusion: The results indicated that Transcranial Direct Current Stimulation and Playing-Based Exercises can be considered as useful intervention techniques to improve Sensory-Motor Functions in children with DCD.
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