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Personality and voice disorders: a superfactor trait analysis.

N Roy1, D M Bless, D Heisey

  • 1Department of Communication Disorders, The University of Utah, Salt Lake City 84112-0252, USA. nelson.roy@health.utah.edu

Journal of Speech, Language, and Hearing Research : JSLHR
|July 6, 2000
PubMed
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Personality traits may contribute to functional dysphonia (FD) and vocal nodules (VN), but not necessarily to spasmodic dysphonia (SD) or unilateral vocal fold paralysis (UVFP). The study suggests personality factors may be causal or concomitant, not just consequential, for some voice disorders.

Area of Science:

  • Speech and Hearing Sciences
  • Psychology
  • Laryngology

Background:

  • Voice disorders are common and multifactorial.
  • The role of personality in voice disorders requires further investigation.
  • Distinguishing causal, concomitant, or consequential factors is crucial.

Purpose of the Study:

  • To investigate the relationship between personality factors and specific voice disorders.
  • To test the disability hypothesis in the context of voice disorders.
  • To explore the potential causal or concomitant roles of personality in functional dysphonia and vocal nodules.

Main Methods:

  • Comparison of personality and psychological adjustment measures.
  • Inclusion of a vocally normal control group.

Related Experiment Videos

  • Analysis of four voice disorder groups: functional dysphonia (FD), vocal nodules (VN), spasmodic dysphonia (SD), and unilateral vocal fold paralysis (UVFP).

    • Main Results:

    • Functional dysphonia (FD) subjects were predominantly introverts.
    • Vocal nodule (VN) subjects were predominantly extraverts.
    • No consistent personality differences were found for spasmodic dysphonia (SD) or unilateral vocal fold paralysis (UVFP) groups compared to controls.

    Conclusions:

    • The disability hypothesis was not supported, suggesting personality is not solely a consequence of vocal disability.
    • Personality variables and their behavioral consequences may contribute to the development of functional dysphonia (FD) and vocal nodules (VN).
    • Findings align with a dispositional theory of voice disorders.