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Interactional Synchrony and Its Association with Social and Communication Ability in Children With and Without Autism Spectrum Disorder

Abstract

Social partners tend to coordinate their behaviors in time. This “interactional synchrony” is associated with a host of positive social outcomes, making it ripe for study in autism spectrum disorder (ASD). Twenty children with ASD and 17 typically developing (TD) children participated in conversations with familiar and unfamiliar adults. Conversations were rated for movement synchrony and verbal synchrony, and mothers completed measures regarding children’s everyday social and communication skills. Children with ASD exhibited less interactional synchrony, with familiar and unfamiliar partners, than TD peers. Beyond group-level differences, interactional synchrony negatively correlated with autism symptom severity, and predicted dimensional scores on established social and communication measures. Results suggest that disrupted interactional synchrony may be associated with impaired social functioning in ASD.

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Acknowledgments

This research was supported in part by the National Institute on Deafness and Other Communication Disorders (R01 DC009439). We would like to thank the families that participated. We would also like to thank Paul Allen, Laura Soskey Cubit, Jessica Keith, Kim Schauder, and our undergraduate research assistants for their many invaluable contributions, and Ashley de Marchena and Heather Nuske for feedback on manuscript drafts.

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Correspondence to Casey J. Zampella.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.

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Informed consent was obtained from all individual participants included in this study.

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Zampella, C.J., Csumitta, K.D., Simon, E. et al. Interactional Synchrony and Its Association with Social and Communication Ability in Children With and Without Autism Spectrum Disorder. J Autism Dev Disord 50, 3195–3206 (2020). https://doi.org/10.1007/s10803-020-04412-8

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  • DOI: https://doi.org/10.1007/s10803-020-04412-8

Keywords

  • Interactional synchrony
  • Social reciprocity
  • Nonverbal communication
  • Movement
  • Verbal communication