Repetitive Behaviours in Children and Adolescents of Autism Spectrum Disorder
Journal Title: Scholars Journal of Applied Medical Sciences - Year 2018, Vol 6, Issue 11
Abstract
Abstract: Several types of repetitive behavior seen in patients of autism spectrum disorder (ASD). Four subtypes of restrictive and repetitive behavior (RRB) are identified in DSM 5 namely repetitive motor movements (RMM), Insistence on sameness (IS), Preoccupation with restricted patterns of interest (PRPI), unusual sensory interest (USI). In this study we tried to explore the frequency and patterns of these repetitive behaviours in ASD in respect to intellectual functioning and severity of Autism. Consecutive patients of ASD attending child clinic with CARS score more than 30 were included in the study. Their IQ was measured by MISIC or obtained from VSMS. To measure repetitive behaviour we used Repetitive behaviour questionnaire (RBQ-2), a 20 question parent rated questionnaire. Result showed marked presence of repetitive behaviours in children with ASD. Highest prevalence of repetitive behaviour noted in item of repetitive hand and/or finger movements (63%marked or notable). Individual items of repetitive motor movement subscale have much higher score than others. We found significant difference in repetitive behaviour in relation to IQ. Co-morbid MR in autism has more repetitive motor movements, preoccupation with restricted patterns of interest and unusual sensory interest from their non-MR counterpart. The result shows that RRBs are an important predictor of autism spectrum disorder. IQ, severity of autism both affects the frequency of repetitive behavior.
Authors and Affiliations
Pradeep Kr. Saha, Dr. Abhijit Chakraborty
Keywords
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