Journal of Voice
Volume 17, Issue 1 , Pages 21-30, March 2003

Vocal Fatigue: Current Knowledge and Future Directions

  • Nathan V Welham

      Affiliations

    • Department of Communicative Disorders, University of Wisconsin—Madison, Madison, Wisconsin, USA
    • Corresponding Author InformationAddress correspondence and reprint requests to Nathan V. Welham, MSLT, Rm. 485 Waisman Center, University of Wisconsin—Madison, 1500 Highland Avenue, Madison, WI 53705, USA
    • ,
  • Margaret A Maclagan

      Affiliations

    • Department of Speech and Language Therapy, University of Canterbury, Christchurch, New Zealand

Accepted 25 March 2002.

Abstract 

Summary: Vocal fatigue is a complex multifaceted clinical phenomenon. Several hypotheses exist concerning its underlying mechanism, and a range of empirical studies have examined its manifestation. This article reviews the literature pertaining to the nature, underlying processes, and salient features of vocal fatigue. First, vocal fatigue is defined, its major symptoms are discussed, and hypotheses concerning its primary physiological and biomechanical mechanisms are considered. Second, studies of experimentally induced vocal fatigue in humans are evaluated. Third, research investigating the clinical and occupational manifestations of vocal fatigue is discussed. Fourth, directions for ongoing research in this area are offered.

Keywords:  Vocal fatigue , Definition , Features , Symptoms , Mechanisms , Research

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PII: S0892-1997(03)00033-X

doi:10.1016/S0892-1997(03)00033-X

Journal of Voice
Volume 17, Issue 1 , Pages 21-30, March 2003

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