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KMID : 0367320150260010022
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Journal of the Korean Academy of Child and Adolescent Psychiatry
2015 Volume.26 No. 1 p.22 ~ p.29
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Clinical Characteristics of Children with Autism Spectrum Disorder According to the Presence of Motor Stereo
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Kim Ji-Soon
Yoo Hee-Jeong
Be Jeong-Hoon
Cho In-Hee
Park Tae-Won
Son Jung-Woo
Chung Un-Sun
Shin Min-Sup
Kim Bung-Nyun
Kim Jae-Won
Yang Young-Hui
Kang Je-Wook
Song Sook-Hyung
Cho Soo-Churl
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Abstract
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Objectives : Repetitive and stereotyped behaviors are core symptoms in children with autism spectrum disorders (ASD). The purpose of our study was to investigate the frequency of motor stereotypes in ASD children and their clinical features.
Methods : Among 171 ASD children (age range, 3-15), the ASD group with motor stereotypes was defined according to two items in the Korean version of Autism Diagnostic Interview-Revised (K-ADI-R). We compared the clinical features, behavior problems and severity of other domains in the K-ADI-R and executive functions between the ASD group with motor stereotypes and the ASD group without motor stereotypes.
Results : Ninety (52.6%) of 171 ASD children had motor stereotypes. The ASD group with motor stereotypes had a lower intelligence quotient score (62.23 vs. 84.94, p<.001) compared to the ASD group without motor stereotypes. The ASD group with motor stereotypes had more impairments in the social interaction domain [adjusted odds ratio (AOR) 1.11, p=.001] and communication domain (AOR 1.15, p=.008). Thought problems and lethargy were more frequent in the ASD group with motor stereotypes than the ASD group without motor stereotypes (AOR 2.059, p=.034 ; adjusted OR 1.045, p=.046). However, no significant differences in executive function were observed between the ASD group with motor stereotypes and the ASD group without motor stereotypes.
Conclusion : The ASD group with motor stereotypes showed more impairment in social interaction and communication
domains, which are core symptoms of autism. Motor stereotypes may indicate greater severity of ASD.
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KEYWORD
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Autism Spectrum Disorder, Stereotypes, Motor Stereotypes
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