Journal article
Perceived phonatory effort and phonation threshold pressure across a prolonged voice loading task: a study of vocal fatigue
Journal of voice, Vol.18(4), pp.454-466
2004
DOI: 10.1016/j.jvoice.2004.01.004
PMID: 15567047
Abstract
Although the problem of vocal fatigue is not uncommon in people with voice disorders, research on objective quantifiable indicators of vocal fatigue is limited. It has been suggested that a speaker's perception of increased phonatory effort associated with periods of prolonged voice use is related to increased lung pressure required to initiate and sustain phonation. The purpose of this study was to examine the relationship among perceived phonatory effort (PPE), which was used as a subjective index of vocal fatigue, and phonation threshold pressure (PTP), a quantifiable measure defined as the minimal lung pressure required to initiate and sustain vocal fold oscillation. PTP and PPE were recorded before, during, and after five adult male and five adult female speakers engaged in a prolonged oral reading task designed to induce vocal fatigue. The results supported a direct, moderately strong relationship between PTP and PPE, particularly when PTP was measured during speech produced at comfortable and low-speaking pitch levels. No gender effects were found. PTP returned to baseline levels within 1 hour after the fatiguing task. PPE returned to baseline within 1 day. The data support the use of PTP as an objective index of vocal fatigue.
Details
- Title: Subtitle
- Perceived phonatory effort and phonation threshold pressure across a prolonged voice loading task: a study of vocal fatigue
- Creators
- Ann Chang - From the Department of Applied Languages for Interpretation and Translation, Chang Jung Christian University, Tainan, Taiwan, R.O.CMichael P Karnell - Department of Otolaryngology-Head and Neck Surgery, Department of Speech Pathology and Audiology, University of Iowa, Iowa City, Iowa
- Resource Type
- Journal article
- Publication Details
- Journal of voice, Vol.18(4), pp.454-466
- DOI
- 10.1016/j.jvoice.2004.01.004
- PMID
- 15567047
- NLM abbreviation
- J Voice
- ISSN
- 0892-1997
- eISSN
- 1873-4588
- Publisher
- Mosby, Inc
- Language
- English
- Date published
- 2004
- Academic Unit
- Communication Sciences and Disorders; Craniofacial Anomalies Research Center; Otolaryngology
- Record Identifier
- 9984006333802771
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