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Background <p>Hyperscanning captures interpersonal neural synchrony (INS) during social interaction.</p> Objective <p>To determine whether reduced INS characterizes autism spectrum disorder (ASD) or elevated autistic-like traits (ALTs).</p> Methods <p>A PRISMA search (updated April 25th, 2025) screened 1552 records; 20 studies met inclusion. Quality was appraised with modified CASP checklists.</p> Results <p>Sixteen interpersonal analyses across 20 studies (15 ASD, five trait-based) using varied neuroimaging modalities reported attenuated synchrony in 14 cases when an autistic or high-trait partner was present; effect direction varied with task design and dyad composition, indicating methodological contingencies rather than a uniform deficit. Heterogeneity precluded meta-analysis.</p> Conclusions <p>Reduced INS is a robust yet context-dependent correlate of autistic characteristics. Future work should directly test task- and dyad-level moderators.</p>

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A PRISMA Systematic Review of Hyperscanning in Autism

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年7月21日

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  • Darko Sarovic,
  • Abbas Sohrabpour,
  • Tommaso Tosato,
  • Guillaume Dumas,
  • Sheraz Khan

摘要

Background

Hyperscanning captures interpersonal neural synchrony (INS) during social interaction.

Objective

To determine whether reduced INS characterizes autism spectrum disorder (ASD) or elevated autistic-like traits (ALTs).

Methods

A PRISMA search (updated April 25th, 2025) screened 1552 records; 20 studies met inclusion. Quality was appraised with modified CASP checklists.

Results

Sixteen interpersonal analyses across 20 studies (15 ASD, five trait-based) using varied neuroimaging modalities reported attenuated synchrony in 14 cases when an autistic or high-trait partner was present; effect direction varied with task design and dyad composition, indicating methodological contingencies rather than a uniform deficit. Heterogeneity precluded meta-analysis.

Conclusions

Reduced INS is a robust yet context-dependent correlate of autistic characteristics. Future work should directly test task- and dyad-level moderators.