Asymmetric spatiotemporal chaos induced by a polypoid mass in the excised larynx.

Chaos
Yu Zhang, Jack J Jiang

Abstract

In this paper, asymmetric spatiotemporal chaos induced by a polypoid mass simulating the laryngeal pathology of a vocal polyp is experimentally observed using high-speed imaging in an excised larynx. Spatiotemporal analysis reveals that the normal vocal folds show spatiotemporal correlation and symmetry. Normal vocal fold vibrations are dominated mainly by the first vibratory eigenmode. However, pathological vocal folds with a polypoid mass show broken symmetry and spatiotemporal irregularity. The spatial correlation is decreased. The pathological vocal folds spread vibratory energy across a large number of eigenmodes and induce asymmetric spatiotemporal chaos. High-order eigenmodes show complicated dynamics. Spatiotemporal analysis provides a valuable biomedical application for investigating the spatiotemporal chaotic dynamics of pathological vocal fold systems with a polypoid mass and may represent a valuable clinical tool for the detection of laryngeal mass lesion using high-speed imaging.

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Citations

May 9, 2012·Journal of Speech, Language, and Hearing Research : JSLHR·Erin E DevineJack J Jiang
May 24, 2013·Journal of the Royal Society, Interface·Christian T HerbstW Tecumseh Fitch
Jul 2, 2009·Chaos·Chao Tao, Jack J Jiang
Sep 1, 2011·The Journal of the Acoustical Society of America·Anxiong YangMichael Dollinger
Feb 18, 2016·Journal of Voice : Official Journal of the Voice Foundation·Christian T HerbstJörg Lohscheller
Jul 31, 2012·American Journal of Otolaryngology·Christopher R KrausertJack J Jiang
Apr 29, 2014·IEEE Transactions on Bio-medical Engineering·Jakob UngerJoerg Lohscheller
Nov 9, 2016·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Allyson C PulvermacherJack J Jiang
Sep 15, 2009·The Annals of Otology, Rhinology, and Laryngology·Yu ZhangJack J Jiang
Jun 11, 2017·The Journal of the Acoustical Society of America·Paul Luizard, Xavier Pelorson
Nov 25, 2020·Journal of Otolaryngology - Head & Neck Surgery = Le Journal D'oto-rhino-laryngologie Et De Chirurgie Cervico-faciale·Matthias EchternachMarie-Anne Kainz

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