On the mechanism of modulating the volume of the voice in howling monkeys

Research output: Contribution to journalArticle

Abstract

It is proposed that the howling monkeys intensify the low pitched sounds, which are emitted in their howls, by considerably narrowing the laryngeal vestibule in order to build up a pressure capable of distending the collapsed thyrohyoid canal. In this manner, the vibrating air column can enter the hyoid bulla and the latter act as a resonator. The narrowing of the laryngeal inlet is achieved by a pneumatic sphincter-the pharyngolaryngeal sacs-activated by extralaryngeal muscles.

Original languageEnglish (US)
Pages (from-to)443-447
Number of pages5
JournalActa Oto-Laryngologica
Volume70
Issue number5-6
DOIs
StatePublished - 1970

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ASJC Scopus subject areas

  • Otorhinolaryngology

Cite this

On the mechanism of modulating the volume of the voice in howling monkeys. / Schoen, Miguel Antonio.

In: Acta Oto-Laryngologica, Vol. 70, No. 5-6, 1970, p. 443-447.

Research output: Contribution to journalArticle

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