Right Hand Preference in Implicit Motor Learning in Children with High-Functioning Autism and Asperger Syndrome

Publish Year: 1392
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_IRJU-11-1_014

تاریخ نمایه سازی: 6 دی 1402

Abstract:

Objectives: Cerebral hemispheres functioning have been found to be abnormal in children with ASD. The role of lateralization in implicit and explicit motor learning has received little attention in ASD researches. The main goal of this study is investigating the differences between two hands implicit and explicit motor learning in children with ASD and typical matched group. Methods: In the present random clinical trial study, ۳۰ boys with ASD aged ۷-۱۱ were compared with ۳۲ typical matched boys. Typical group and the ASDs, which were screened with ASSQ, were selected from elementary schools in Najafabad (Isfahan, Iran). Participants performed a serial reaction time task (۱۰ blocks) with each hand in implicit and explicit group with random allocation. Results: Learning comparison between two groups showed significant difference which means explicit learning deficit in the ASDs with right (P=۰.۰۰۹) and left hand (P=۰.۰۰۴). Results also indicated no significant difference in implicit learning between ASDs and typical matched group in right (P=۰.۳۸۵) and left hand (P=۰.۱۸). Hands differences also showed speeded right hand in implicit learning in children with ASD (P=۰.۰۲۸) while no differences was seen in explicit learning and typical children. Discussion: Explicit learning of right and left hand was impaired in children with ASD while implicit learning of both hands maintained intact and a right hand preference in implicit motor learning was observed in children with ASD due to left striatal system abnormality.

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Authors

Sara Izadi-Najafabadi

Department of Occupational Therapy, Faculty of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Navid Mirzakhani-Araghi

Department of Occupational Therapy, Faculty of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Vahid Nejati

Department of Cognitive Neuroscience (Brain and Cognition), Shahid Beheshti University, Tehran, Iran.

Zahra Pashazadeh-Azari

Department of Occupational Therapy, Faculty of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Akbar Zahedi-Barough

Department of Occupational Therapy, Faculty of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.