# Articulatory Entrainment and Coordination Complexity in Spontaneous Autistic and Non-autistic Dialogue

arXiv: https://arxiv.org/abs/2610.04071 · HTML: https://mlsanity.com/paper/2610.04071/

## Key facts

- No citing papers in the map yet (data through 14 Oct 2026).
- Builds on 5 of its 34 references that are in the map.
- First posted on arXiv 2 Oct 2026.

## Builds on (most cited first, 5 of 5)

- [Improving Speech Inversion Through Self-Supervised Embeddings and Enhanced Tract Variables](https://mlsanity.com/paper/2309.09220/) (2023)
- [A Context-Aware Computational Approach for Measuring Vocal Entrainment in Dyadic Conversations](https://mlsanity.com/paper/2211.03279/) (2022)
- [Acoustic and Facial Markers of Perceived Conversational Success in Spontaneous Speech](https://mlsanity.com/paper/2604.15322/) (2026)
- [A Discriminative Acoustic-Prosodic Approach for Measuring Local Entrainment](https://mlsanity.com/paper/1804.08663/) (2018)
- [Quantifying Articulatory Coordination as a Biomarker for Schizophrenia](https://mlsanity.com/paper/2511.03084/) (2025)

## Abstract (arXiv)

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.