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Early Onset of Impairments of Interpersonal Motor Synchrony in Preschool-Aged Children with Autism Spectrum Disorder

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Journal of Autism and Developmental Disorders Aims and scope Submit manuscript

Abstract

Characteristics of interpersonal motor synchrony in individuals with autism spectrum disorder (ASD) have been investigated only in older children and adolescents, which calls for investigations in younger samples. The interpersonal motor synchrony was compared between preschool-aged children with (n = 23) and without ASD (n = 24) during free plays with familiar teachers. Children with ASD exhibited reduced synchrony of the upper body and trunk compared with typically developing (TD) children. Moreover, the degree of synchrony in ASD group was not above than chance. For autistic children, interpersonal motor synchrony was negatively correlated with aspects of autistic traits. The results suggest that the impairment of interpersonal motor synchrony has an onset earlier than school age and is a potential pathway for understanding autistic traits.

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Funding

This work was supported by the National Natural Science Foundation (Grant No. 61977027), the Hubei Province Technological Innovation Major Project (Grant No. 2019AAA044).

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Contributions

XC and JC contributed to the conception of the study; XC and ML performed the experiment; XC conducted the data preprocessing; XC performed the statistic analysis and wrote the manuscript. XC and GW reviewed and edited the manuscript.

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Correspondence to Jingying Chen.

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All authors declare that they have no conflict of interest.

Ethical Approval

All procedures performed in studies involving human participants were in accordance with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. We were unable to acquire ethics approval, because in China, there is still not any official national research ethics committee, and our institution haven’t established an institutional research ethics committee either.

Informed Consent

All parents of participating children gave informed, written consent for their children to take part in the study and be captured on video. The same consent was obtained from participating teachers as well. The teacher and the parent of the child in Fig. 1 provided informed consent for publication of the images.

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Chen, X., Chen, J., Liao, M. et al. Early Onset of Impairments of Interpersonal Motor Synchrony in Preschool-Aged Children with Autism Spectrum Disorder. J Autism Dev Disord 53, 2314–2327 (2023). https://doi.org/10.1007/s10803-022-05472-8

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  • DOI: https://doi.org/10.1007/s10803-022-05472-8

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