A three‑level meta‑analysis of interpersonal motor synchronization in autism spectrum disorder: The role of methodology, participant, and interaction partner characteristics / Wenjun ZHANG in Research in Autism, 131 (March 2026)  

Public ISBD [article]  inResearch in Autism > 131 (March 2026) . - 202820 Titre : A three‑level meta‑analysis of interpersonal motor synchronization in autism spectrum disorder: The role of methodology, participant, and interaction partner characteristics Type de document : texte imprimé Auteurs : Wenjun ZHANG, Auteur ; Xiaoou BU, Auteur ; Jianmei XING, Auteur ; Yawen DU, Auteur ; Chunhui WANG, Auteur ; Yunxiang ZHANG, Auteur ; Pei WANG, Auteur Article en page(s) : 202820 Langues : Anglais (eng) Mots-clés : Interpersonal motor synchronization  Autism spectrum disorders  ASD  Three‑level meta‑analysis Index. décimale : PER Périodiques Résumé : Background Interpersonal motor synchronization (IMS)—the time- and form-aligned movements of individuals in a social interaction—plays a fundamental role in social development. Individuals with autism spectrum disorder (ASD) are often reported to exhibit reduced IMS compared to neurotypical (NT) individuals, yet findings remain inconsistent, and contributing moderators are not well understood. This meta-analysis aimed to assess whether, and under what conditions, IMS differs between ASD and NT groups. Methods A systematic search of five databases (Web of Science, PubMed, ScienceDirect, DART-Europe, and ProQuest) up to September 30, 2025, identified 28 studies comparing continuous IMS outcomes between ASD and NT groups. A three-level random-effects meta-analysis using Hedges’ g was conducted. Moderator analyses examined methodology-related (task type, measurement modality, muscle group, intentionality, methodological quality), participant-related (age, IQ, sex), and partner-related (neurotype, age, familiarity) factors. Study quality, publication bias, and sensitivity were also assessed. Results A medium-to-large effect size (g = –0.78) indicated significantly reduced IMS in ASD, especially in non-joint action tasks, lower-extremity movements and behavioral coding measures. Participant- or partner-related factors showed no significant moderation. Study quality was moderate to high. Detected publication bias did not meaningfully affect the overall findings, which were robust across sensitivity analyses. Conclusions Reduced IMS in ASD are robust across participant- and partner-related characteristics but sensitive to task types, measurement modalities, and muscle groups. These findings provide varying types and degrees of support for multiple potential mechanisms, and highlight IMS in ASD as a promising direction for future research aimed at developing sensitive assessments and interventions. En ligne : https://doi.org/10.1016/j.reia.2026.202820 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=581 [article] A three‑level meta‑analysis of interpersonal motor synchronization in autism spectrum disorder: The role of methodology, participant, and interaction partner characteristics [texte imprimé] / Wenjun ZHANG, Auteur ; Xiaoou BU, Auteur ; Jianmei XING, Auteur ; Yawen DU, Auteur ; Chunhui WANG, Auteur ; Yunxiang ZHANG, Auteur ; Pei WANG, Auteur . - 202820. Langues : Anglais (eng) in Research in Autism > 131 (March 2026) . - 202820 Mots-clés : Interpersonal motor synchronization  Autism spectrum disorders  ASD  Three‑level meta‑analysis Index. décimale : PER Périodiques Résumé : Background Interpersonal motor synchronization (IMS)—the time- and form-aligned movements of individuals in a social interaction—plays a fundamental role in social development. Individuals with autism spectrum disorder (ASD) are often reported to exhibit reduced IMS compared to neurotypical (NT) individuals, yet findings remain inconsistent, and contributing moderators are not well understood. This meta-analysis aimed to assess whether, and under what conditions, IMS differs between ASD and NT groups. Methods A systematic search of five databases (Web of Science, PubMed, ScienceDirect, DART-Europe, and ProQuest) up to September 30, 2025, identified 28 studies comparing continuous IMS outcomes between ASD and NT groups. A three-level random-effects meta-analysis using Hedges’ g was conducted. Moderator analyses examined methodology-related (task type, measurement modality, muscle group, intentionality, methodological quality), participant-related (age, IQ, sex), and partner-related (neurotype, age, familiarity) factors. Study quality, publication bias, and sensitivity were also assessed. Results A medium-to-large effect size (g = –0.78) indicated significantly reduced IMS in ASD, especially in non-joint action tasks, lower-extremity movements and behavioral coding measures. Participant- or partner-related factors showed no significant moderation. Study quality was moderate to high. Detected publication bias did not meaningfully affect the overall findings, which were robust across sensitivity analyses. Conclusions Reduced IMS in ASD are robust across participant- and partner-related characteristics but sensitive to task types, measurement modalities, and muscle groups. These findings provide varying types and degrees of support for multiple potential mechanisms, and highlight IMS in ASD as a promising direction for future research aimed at developing sensitive assessments and interventions. En ligne : https://doi.org/10.1016/j.reia.2026.202820 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=581

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