Auditory system comparisons between sand cats and other felid species : acoustic input admittance of ears and auditory brainstem responses

Chan, Howard F

Publication date

January 2005

Publisher

Massachusetts Institute of Technology

Abstract

Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2005.Includes bibliographical references (leaves 81-82).The sand cat, one species of the cat family, is found only in deserts and has unusually large ear canals and middle-ear air cavities. Recent work has shown that sand cat ears absorb acoustic power at low frequencies (<1 kHz) better than those of domestic cats (Huang et al. 2002). In this thesis, we test this hypothesis by comparing acoustic input- admittance, which determines acoustic power absorption, and thresholds of auditory- brainstem responses. In a zoo, measurements were made in 37 ears of 23 anesthetized specimens, including sand cats and five other felid species. Sand...

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Auditory system comparisons between sand cats and other felid species : acoustic input admittance of ears and auditory brainstem responses

Abstract

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Auditory system comparisons between sand cats and other felid species : acoustic input admittance of ears and auditory brainstem responses

Abstract

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