Complex vibratory patterns in an elephant larynx

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F13%3A33144458" target="_blank" >RIV/61989592:15310/13:33144458 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1242/jeb.091009" target="_blank" >http://dx.doi.org/10.1242/jeb.091009</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1242/jeb.091009" target="_blank" >10.1242/jeb.091009</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Complex vibratory patterns in an elephant larynx

Popis výsledku v původním jazyce

Elephants' low-frequency vocalizations are produced by flow-induced self-sustaining oscillations of laryngeal tissue. To date, little is known in detail about the vibratory phenomena in the elephant larynx. Here, we provide a first descriptive report ofthe complex oscillatory features found in the excised larynx of a 25 year old female African elephant (Loxodonta africana), the largest animal sound generator ever studied experimentally. Sound production was documented with high-speed video, acoustic measurements, air flow and sound pressure level recordings. The anatomy of the larynx was studied with computed tomography (CT) and dissections. Elephant CT vocal anatomy data were further compared with the anatomy of an adult human male. We observed numerous unusual phenomena, not typically reported in human vocal fold vibrations. Phase delays along both the inferior-superior and anterior-posterior (A-P) dimension were commonly observed, as well as transverse travelling wave patterns alon

Název v anglickém jazyce

Complex vibratory patterns in an elephant larynx

Popis výsledku anglicky

Elephants' low-frequency vocalizations are produced by flow-induced self-sustaining oscillations of laryngeal tissue. To date, little is known in detail about the vibratory phenomena in the elephant larynx. Here, we provide a first descriptive report ofthe complex oscillatory features found in the excised larynx of a 25 year old female African elephant (Loxodonta africana), the largest animal sound generator ever studied experimentally. Sound production was documented with high-speed video, acoustic measurements, air flow and sound pressure level recordings. The anatomy of the larynx was studied with computed tomography (CT) and dissections. Elephant CT vocal anatomy data were further compared with the anatomy of an adult human male. We observed numerous unusual phenomena, not typically reported in human vocal fold vibrations. Phase delays along both the inferior-superior and anterior-posterior (A-P) dimension were commonly observed, as well as transverse travelling wave patterns alon

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BO - Biofyzika

OECD FORD obor

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Projekt

<a href="/cs/project/EE2.3.20.0057" target="_blank" >EE2.3.20.0057: Rozvoj a internacionalizace biofyzikálního výzkumu na Přírodovědecké fakultě Univerzity Palackého v Olomouci</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2013

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Experimental Biology

ISSN

0022-0949

e-ISSN

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Svazek periodika

216

Číslo periodika v rámci svazku

21

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

11

Strana od-do

4054-4064

Kód UT WoS článku

000325806300021

EID výsledku v databázi Scopus

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