Ultrasonic output from the excised rat larynx

Aaron M. Johnson; Michelle R. Ciucci; John A. Russell; Michael J. Hammer; Nadine P. Connor

doi:10.1121/1.3462234

Ultrasonic output from the excised rat larynx

Aaron M. Johnson, Michelle R. Ciucci, John A. Russell, Michael J. Hammer, Nadine P. Connor

Research output: Contribution to journal › Article › peer-review

Abstract

The source of ultrasonic vocalizations (USVs) produced by rats is thought to be within the larynx. The purpose of this investigation was to determine if the rat larynx is capable of producing ultrasounds with the full range of frequencies reported in vivo. Acoustic output of excised rat larynges with and without vocal fold constriction was measured. At biologically-reasonable airflow rates and pressures, only larynges with a constriction produced the full range of ultrasounds reported in vivo, providing support for the hypothesis that a constriction within the larynx is likely the source of rat USVs.

Original language	English (US)
Pages (from-to)	EL75-EL79
Journal	Journal of the Acoustical Society of America
Volume	128
Issue number	2
DOIs	https://doi.org/10.1121/1.3462234
State	Published - Aug 2010
Externally published	Yes

ASJC Scopus subject areas

Arts and Humanities (miscellaneous)
Acoustics and Ultrasonics

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10.1121/1.3462234

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Ultrasonic output from the excised rat larynx

Abstract

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