Analysis of Motor Signatures of Social Adaptation in Autism for Efficient Human-Centric Systems

• URL: http://arxiv.org/abs/2608.12548v1
• Date: Wed, 12 Aug 2026 19:37:20 GMT
• Title: Analysis of Motor Signatures of Social Adaptation in Autism for Efficient Human-Centric Systems
• Abstract summary: Dance imitation integrates motor planning, sensorimotor integration, and social cognition.<n>Social context sensitivity in motor imitation constitutes a robust biomarker of autism-related motor behavior.
• Score: 0.5949779668853555
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Dance imitation integrates motor planning, sensorimotor integration, and social cognition, offering a sensitive framework to characterize motor behavior in autism. In this work, we explore a computational analysis framework to identify potential biomarkers that allow the design and development of improved medical and human-machine systems. We analyzed 3D motion capture data from autistic and neurotypical adults performing dance imitation under solo and socially-framed duo conditions. Methodologically, using Dynamic Time Warping, we quantified movement consistency and propose the Social Context Sensitivity Index (SCSI) to measure modulation of variability by social framing. These features were then used on a classifier to discriminate subjects into autistic or neurotypical groups. Results show that neurotypical adults exhibited increased movement variability in socially-framed imitation, especially in upper and lower limbs, whereas autistic adults maintained consistent movement across contexts. Classification achieved 79.2% balanced accuracy in distinguishing groups. These findings suggest that social context sensitivity in motor imitation constitutes a robust biomarker of autism-related motor behavior, highlighting the importance of social modulation in motor assessments and informing the development of inclusive human-centric technologies.

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