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Related Experiment Videos

Combined glottographic changes in the elderly.

G E Murty1, P N Carding, P J Kelly

  • 1Department of ENT, Freeman Hospital, Newcastle upon Tyne, UK.

Clinical Otolaryngology and Allied Sciences
|December 1, 1991
PubMed
Summary
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Aging larynx anatomy affects vocal fold movement. Elderly males showed slower vocal fold opening, impacting voice quality and requiring age consideration for clinical interpretation of speed quotient values.

Area of Science:

  • Laryngology
  • Gerontology
  • Voice Science

Background:

  • Aging leads to anatomical changes in the larynx.
  • These changes may affect vocal fold dynamics and voice quality.
  • Understanding age-related laryngeal function is crucial for clinical assessment.

Purpose of the Study:

  • To investigate the impact of aging on laryngeal movement during the vocal fold vibratory cycle.
  • To compare vocal fold dynamics between young adult males and elderly males.
  • To determine if age-related anatomical changes influence the speed quotient.

Main Methods:

  • Combined glottography was used to analyze laryngeal movement.
  • Two groups of adult males were studied: those under 25 years old and those over 60 years old.

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  • Vocal fold vibratory cycles were assessed in both groups.

    • Main Results:

    • The elderly group exhibited an increased speed quotient compared to the younger group.
    • This indicates a slowing of vocal fold opening in older males.
    • Age-related changes in the larynx appear to affect the timing of vocal fold movement.

    Conclusions:

    • Aging in the larynx results in slower vocal fold opening.
    • The observed changes in vocal fold dynamics may explain the altered voice quality in the elderly.
    • Clinicians should consider patient age when interpreting speed quotient values for laryngeal function.