Problem
Research questions and friction points this paper is trying to address.
Articulatory Entrainment
Coordination Complexity
Spontaneous Dialogue
Autism
Articulatory Entrainment and Coordination Complexity in Spontaneous Autistic and Non-autistic Dialogue
🤖 AI Summary
This study addresses the limited understanding of articulatory coordination mechanisms in spontaneous conversation and the constraints of invasive measurement techniques by proposing a speaker-independent, non-invasive analytical framework. Leveraging acoustic-to-articulatory inversion, this framework provides the first quantification of articulatory coordination complexity and synchrony in spontaneous dialogue. Experimental results demonstrate that neurotypical individuals exhibit significantly higher articulatory synchrony than autistic individuals, and that elevated synchrony positively correlates with subjective conversational success. By revealing dynamic interactional differences across neurotypes, this work establishes articulatory coordination as a valuable objective metric for social effectiveness.
📝 Abstract
Articulatory entrainment, the adaptation of vocal tract coordination to facilitate interaction remains underexplored in spontaneous dialogue, particularly among autistic speakers. Many prior studies have utilized task-based, phoneme-level analyses with invasive measurement techniques. Here, we introduce a speaker-independent framework to quantify articulatory entrainment in spontaneous dyadic conversations among autistic and non-autistic adults using acoustic-to-articulatory inversion and coordination complexity metrics. We examine temporal changes in articulatory coordination across interaction. Non-autistic dyads exhibit increasing coordination complexity and stronger entrainment over time, autistic dyads show moderate effects, and mixed dyads demonstrate the least alignment. Greater articulatory entrainment correlates with higher self-reported conversational success, indicating increase in coordination complexity as a marker of effective social interaction.
Innovation
Methods, ideas, or system contributions that make the work stand out.
Articulatory Entrainment
Acoustic-to-Articulatory Inversion
Coordination Complexity
Speaker-Independent Framework
Spontaneous Dialogue
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