The directionality of the frog ear described by a mechanical model

The frog ear can be modelled as two coupled eardrums with an additional sound pathway through the mouth cavity. In a previous version of this model, with realistic parameters, we were able to account very well for empirical measurements of the eardrum vibration under free- and closed-field acoustic...

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Bibliographic Details
Published inJournal of theoretical biology Vol. 110; no. 2; pp. 205 - 215
Main Authors Palmer, A.R., Pinder, A.C.
Format Journal Article
LanguageEnglish
Published Sidcup Elsevier Ltd 21.09.1984
Elsevier
Subjects
Animals
Anura
Anura - physiology
Biological and medical sciences
Computers
Ear - physiology
Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation
Ear, Middle - physiology
Fundamental and applied biological sciences. Psychology
Models, Biological
Mouth - physiology
Sound Localization
Vertebrates: nervous system and sense organs
Vibration
Tympanum
Amphibia
Vertebrata
Models
Salientia
Inner ear
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Summary:The frog ear can be modelled as two coupled eardrums with an additional sound pathway through the mouth cavity. In a previous version of this model, with realistic parameters, we were able to account very well for empirical measurements of the eardrum vibration under free- and closed-field acoustic conditions. This earlier model does not, however, adequately predict the directional characteristics of the frog ear as determined empirically. In this paper we present a modified model which will acount for the directionality together with the free- and closed-field frequency responses, and which is also consistent with anatomical considerations.
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ISSN:0022-5193
1095-8541
DOI:10.1016/S0022-5193(84)80053-3