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Speech, movement and gaze behaviours during dyadic conversation in noise

Hadley, Lauren V.; Owen Brimijoin, W.; Whitmer, William M.

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Authors

W. Owen Brimijoin



Abstract

How do people have conversations in noise and make themselves understood? While many previous studies have investigated speaking and listening in isolation, this study focuses on the behaviour of pairs of individuals in an ecologically valid context. Specifically, we report the fine-grained dynamics of natural conversation between interlocutors of varying hearing ability (n = 30), addressing how different levels of background noise affect speech, movement, and gaze behaviours. We found that as noise increased, people spoke louder and moved closer together, although these behaviours provided relatively small acoustic benefit (0.32 dB speech level increase per 1 dB noise increase). We also found that increased noise led to shorter utterances and increased gaze to the speaker’s mouth. Surprisingly, interlocutors did not make use of potentially beneficial head orientations. While participants were able to sustain conversation in noise of up to 72 dB, changes in conversation structure suggested increased difficulty at 78 dB, with a significant decrease in turn-taking success. Understanding these natural conversation behaviours could inform broader models of interpersonal communication, and be applied to the development of new communication technologies. Furthermore, comparing these findings with those from isolation paradigms demonstrates the importance of investigating social processes in ecologically valid multi-person situations.

Citation

Hadley, L. V., Owen Brimijoin, W., & Whitmer, W. M. (2019). Speech, movement and gaze behaviours during dyadic conversation in noise. Scientific Reports, 9, Article 10451. https://doi.org/10.1038/s41598-019-46416-0

Journal Article Type Article
Acceptance Date Jan 20, 2019
Online Publication Date Jul 18, 2019
Publication Date Jul 18, 2019
Deposit Date Jul 4, 2019
Publicly Available Date Jul 18, 2019
Journal Scientific Reports
Electronic ISSN 2045-2322
Publisher Nature Publishing Group
Peer Reviewed Peer Reviewed
Volume 9
Article Number 10451
DOI https://doi.org/10.1038/s41598-019-46416-0
Public URL https://nottingham-repository.worktribe.com/output/2267657
Publisher URL https://www.nature.com/articles/s41598-019-46416-0
Additional Information Received: 20 August 2018; Accepted: 20 June 2019; First Online: 18 July 2019; : The authors declare no competing interests.
Contract Date Jul 18, 2019

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