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Research Article
18 June 2021

Tracking the Costs of Clear and Loud Speech: Interactions Between Speech Motor Control and Concurrent Visuomotor Tracking

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Publication: Journal of Speech, Language, and Hearing Research
Volume 64, Number 6S
Pages 2182-2195

Abstract

Purpose

Prior work has demonstrated that competing tasks impact habitual speech production. The purpose of this investigation was to quantify the extent to which clear and loud speech are affected by concurrent performance of an attention-demanding task.

Method

Speech kinematics and acoustics were collected while participants spoke using habitual, loud, and clear speech styles. The styles were performed in isolation and while performing a secondary tracking task.

Results

Compared to the habitual style, speakers exhibited expected increases in lip aperture range of motion and speech intensity for the clear and loud styles. During concurrent visuomotor tracking, there was a decrease in lip aperture range of motion and speech intensity for the habitual style. Tracking performance during habitual speech did not differ from single-task tracking. For loud and clear speech, speakers retained the gains in speech intensity and range of motion, respectively, while concurrently tracking. A reduction in tracking performance was observed during concurrent loud and clear speech, compared to tracking alone.

Conclusions

These data suggest that loud and clear speech may help to mitigate motor interference associated with concurrent performance of an attention-demanding task. Additionally, reductions in tracking accuracy observed during concurrent loud and clear speech may suggest that these higher effort speaking styles require greater attentional resources than habitual speech.

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Information & Authors

Information

Published In

Journal of Speech, Language, and Hearing Research
Volume 64Number 6S18 June 2021
Pages: 2182-2195
PubMed: 33719529

History

  • Received: May 18, 2020
  • Revised: Oct 22, 2020
  • Accepted: Dec 1, 2020
  • Published online: Mar 9, 2021
  • Published in issue: Jun 18, 2021

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Authors

Affiliations

Department of Communication Sciences and Disorders, Bowling Green State University, OH
Serena R. Holdosh
Department of Communication Sciences and Disorders, Bowling Green State University, OH
Zoe Kriegel
Department of Communication Sciences and Disorders, Bowling Green State University, OH
Lauren E. Sullivan
Department of Communication Sciences and Disorders, Bowling Green State University, OH
Adam M. Fullenkamp
School of Human Movement, Sport, & Leisure Studies, Bowling Green State University, OH

Notes

Disclosure: Jason A. Whitfield, Serena R. Holdosh, Zoe Kriegel, and Adam M. Fullenkamp are employed by Bowling Green State University. There are no other financial or nonfinancial conflicts of interest to disclose.
Correspondence to Jason A. Whitfield: [email protected]
Editor-in-Chief: Cara E. Stepp
Editor: Lynda Feenaughty
Publisher Note: This article is part of the Special Issue: Selected Papers From the 2020 Conference on Motor Speech—Basic Science and Clinical Innovation.

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