Medial Surface Dynamics as a Function of Subglottal Pressure in a Canine Larynx Model.

Journal of Voice : Official Journal of the Voice Foundation
Liran OrenEphraim Gutmark

Abstract

During vocal fold vibration, there may be a mucosal wave in the superior-inferior (vertical) direction, resulting in a convergent shape during opening and a divergent shape during closing. Most of our understanding of the converging/diverging shape of the glottis has come from studies in a hemilarynx model. Previous work has shown that vibratory patterns in the full excised larynx are different than the hemilarynx. This study characterized the dynamics of the medial glottal wall geometry during vibrations in the full excised canine larynx model. Using particle image velocimetry, the intraglottal geometry was measured at the midmembranous coronal plane in an excised canine larynx model. Measurements of the glottal area were taken simultaneously using high-speed imaging. The results show that skewing of the glottal area waveform occurs without the presence of a vocal tract and that the phase-lag of the superior edge relative to the inferior edge is smaller than reported and depends on the subglottal pressure. In addition, it shows that the glottal divergence angle during closing is proportional to the magnitude of the acoustic intensity and the intraglottal negative pressure. This preliminary data suggests that more studies are n...Continue Reading

References

Apr 1, 1988·The Journal of the Acoustical Society of America·I R Titze
Jan 5, 2002·The Journal of the Acoustical Society of America·D A BerryN Tayama
May 5, 2006·Journal of Speech, Language, and Hearing Research : JSLHR·Ingo R Titze
Feb 28, 2009·The Annals of Otology, Rhinology, and Laryngology·Shanmugam MurugappanEphraim Gutmark
Feb 23, 2010·Journal of Voice : Official Journal of the Voice Foundation·Dinesh K ChhetriJuergen Neubauer
Jan 21, 2014·The Journal of the Acoustical Society of America·Liran OrenEphraim Gutmark
Feb 6, 2014·Journal of Voice : Official Journal of the Voice Foundation·Liran OrenSid Khosla
Mar 19, 2014·Journal of Biomechanics·Liran OrenEphraim Gutmark
Aug 6, 2014·The Laryngoscope·Liran OrenEphraim Gutmark
Feb 24, 2015·The Journal of the Acoustical Society of America·Liran OrenSid Khosla
Jan 19, 2016·Journal of Voice : Official Journal of the Voice Foundation·Elliana KirshSid Khosla

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Citations

Jun 4, 2020·The Journal of the Acoustical Society of America·Stefan KniesburgesStefan Becker
Nov 25, 2020·Journal of Otolaryngology - Head & Neck Surgery = Le Journal D'oto-rhino-laryngologie Et De Chirurgie Cervico-faciale·Matthias EchternachMarie-Anne Kainz
Mar 6, 2021·Experiments in Fluids·Charles Farbos de LuzanSid M Khosla

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