SLPOtherJournal of autism and developmental disorders2026

Movement Coordination's Link with Common Ground During Dyadic Peer Discourse in Typically Developing and Autistic Speakers.

Einat Karin, Ronny Geva, Shahar Bar-Yehuda and 2 others

PMID 39570556

WHAT IT FOUND

Autistic children and adolescents could build shared understanding with peers, but they used more words and took longer than typically developing peers.

Better motor skills and coordination with a partner linked to shorter, faster conversations, especially under age 10.

Key findings

01Both groups became more efficient across the six turns, but autistic dyads still used more words and took longer at the end.

02Higher individual motor scores and better partner movement coordination were linked with fewer words and shorter turn duration in both groups.

03The link between motor coordination and conversation efficiency was present mainly in children younger than 10 years.

STILL TO COME

How it was doneWhat they foundWhat it means for SLPs

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What it does not show

The study did not test an intervention, so it cannot show that improving motor skills or movement coordination will improve conversation. It used a structured tangram-card task, not everyday spontaneous conversation. Children with IQ below 70, those who did not cooperate, and those who could not be matched were excluded, so results apply to cognitively able children and adolescents. Both groups were very accurate at the end, so accuracy was not analysed; efficiency was judged by words and time. The motor-conversation links were weaker in the autistic group, and the authors noted the typically developing group was more homogeneous.

Declared interests

The work was supported by the National Institute for Disability Independent Living and Rehabilitation Research grant 90DP0074-01-00. The funders had no role in study design, data collection, analysis, interpretation, or writing. The authors declare no competing interests.

The easy way to misread this

Do not read the motor-conversation links as proof that movement training improves communication. This was an observational study, and no intervention was tested.

Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →