Adult; Female; Humans; Voice/physiology; Young Adult; Posture; Analysis of movement; Projected voice; Vocal effort; Vocal forcing; Otorhinolaryngology
Abstract :
[en] [en] INTRODUCTION: The objective of the study was to assess how posture and vocal acoustics are modified when one needs to communicate despite environmental obstacles (i.e. vocal effort performance).
METHOD: 20 healthy young women participated to this study. They had to communicate numbers to a listener. Environmental obstacles were the distance between the subject and the auditor, and the noise. Segmental posture modifications were recorded and analyzed using the numerical infra-red system for movement analysis SMART. Vocal acoustics and electroglottography were also recorded and analyzed using the EVA system.
RESULTS: The study showed the presence of objective postural modifications during vocal effort. Their amplitude increased when the environmental obstacles to communications increased, and they anticipated the vocal production.
DISCUSSION: The vocal effort concept and its relation with the posture, the voice and the subject's feeling are reviewed on the basis of these results. Laryngeal effort is not isolated, but belongs to a global behavioral strategy which aims to improving the efficiency of the communication.
Disciplines :
Otolaryngology
Author, co-author :
Lagier, Aude ; Centre Hospitalier Universitaire de Liège - CHU > > Service d'ORL, d'audiophonologie et de chir. cervico-faciale ; CHU La Timone, Fédération d'ORL et de chirurgie Cervico-faciale, 264 rue St Pierre, 13385 Marseille cedex 05, France. aude.lagier@laposte.net
Vaugoyeau, M; Equipe Développement et Pathologie de l'Action, Pôle 3C - Laboratoire Neurosciences Intégratives and Adaptatives (UMR 6149), Université de Provence and CNRS Centre St. Charles, 13331 Marseille Cedex 03, France
Bouché, C; CHU la Timone, Fédération d'Orl et de Chirurgie Cervico-faciale, 13385 Marseille Cedex 05, France
Ghio, A; Laboratoire Parole et Langage (UMR6057), Université de Provence and CNRS, 13621 Aix-en-Provence cedex 1, France
Legou, T; Laboratoire Parole et Langage (UMR6057), Université de Provence and CNRS, 13621 Aix-en-Provence cedex 1, France
Assaiante, C; Equipe Développement et Pathologie de l'Action, Pôle 3C - Laboratoire Neurosciences Intégratives and Adaptatives (UMR 6149), Université de Provence and CNRS Centre St. Charles, 13331 Marseille Cedex 03, France
Giovanni, A; CHU la Timone, Fédération d'Orl et de Chirurgie Cervico-faciale, 13385 Marseille Cedex 05, France ; Laboratoire Parole et Langage (UMR6057), Université de Provence and CNRS, 13621 Aix-en-Provence cedex 1, France
Language :
French
Title :
Etude posturale de sujets normaux en situation expérimentale d'effort vocal.
Alternative titles :
[en] Postural study on healthy subjects during experimental vocal effort.
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