Influence of Continuous Speaking on Ventilation

Jeannette D. Hoit, Heather L. Lohmeier

Research output: Contribution to journalArticle

27 Scopus citations

Abstract

This study was conducted to explore the influence of speaking on ventilation. Twenty healthy young men were studied during periods of quiet breathing and prolonged speaking using noninvasive methods to measure chest wall surface motions and expired gas composition. Results indicated that all subjects ventilated more during speaking than during quiet breathing, usually by augmenting both tidal volume and breathing frequency. Ventilation did not change across repeated speaking trials. Quiet breathing was altered from its usual behavior following speaking, often for several minutes. Speaking-related increases in ventilation were found to be strongly correlated with lung volume expenditures per syllable. These findings have clinical implications for the respiratory care practitioner and the speech-language pathologist.

Original languageEnglish (US)
Pages (from-to)1240-1251
Number of pages12
JournalJournal of Speech, Language, and Hearing Research
Volume43
Issue number1-5
DOIs
StatePublished - Oct 2000

Keywords

  • Breathing
  • End-tidal Pco
  • Hyperventilation
  • Magnetometers
  • Respiratory kinematics

ASJC Scopus subject areas

  • Language and Linguistics
  • Linguistics and Language
  • Speech and Hearing

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