Vocalization and breathing during the first year of life

Carol A. Boliek, Thomas J. Hixon, Peter J. Watson, Wayne J Morgan

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Vocalization and breathing were studied in 40 healthy infants, including five boys and five girls each at ages 5 weeks, 2.5 months, 6.5 months, and 12 months. Breathing was monitored through the use of a variable inductance plethysmograph that enabled estimates of the volume changes of the rib cage, abdomen, and lung, as well as estimates of selected temporal features of the breathing cycle. Four vocalization types were studied intensively. These included cries, whimpers, grunts, and syllable utterances. Breathing behavior was highly variable across the four vocalization types, demonstrating the degrees of freedom of performance available to the infant to accomplish the aeromechanical drive required. Such behavior was influenced by body length, body position, and age, but not by vocalization type and sex. The protocol established is a useful tool for observing the natural course of the emergence of vocalization and breathing during the first year of life.

Original languageEnglish (US)
Pages (from-to)1-22
Number of pages22
JournalJournal of Voice
Volume10
Issue number1
DOIs
StatePublished - 1996

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Respiration
Abdomen
Lung

Keywords

  • Breathing
  • Development
  • Infants
  • Physiology
  • Vocalization

ASJC Scopus subject areas

  • Otorhinolaryngology

Cite this

Vocalization and breathing during the first year of life. / Boliek, Carol A.; Hixon, Thomas J.; Watson, Peter J.; Morgan, Wayne J.

In: Journal of Voice, Vol. 10, No. 1, 1996, p. 1-22.

Research output: Contribution to journalArticle

Boliek, Carol A. ; Hixon, Thomas J. ; Watson, Peter J. ; Morgan, Wayne J. / Vocalization and breathing during the first year of life. In: Journal of Voice. 1996 ; Vol. 10, No. 1. pp. 1-22.
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