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Measurement of Dynamic Frequency Characteristics of Guinea Pig Middle Ear by a Laser Doppler Velocimeter


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Title: Measurement of Dynamic Frequency Characteristics of Guinea Pig Middle Ear by a Laser Doppler Velocimeter
Authors: Wada, Hiroshi / Takeda, Michihiro / Koike, Takuji / Suzaki, You / Kobayashi, Toshimitsu / Ohyama, Kenji
Issue Date: 15-Sep-1999
Publisher: 社団法人日本機械学会
Citation: JSME international journal. Series C, Mechanical systems, machine elements and manufacturing. 1999, 42(3), p.753-758
Abstract: The objective of the present study is to clarify the dynamic behavior of the middle ear by measuring the middle ear vibration directly. The velocity amplitudes of the tympanic membrane and ossicles of guinea pigs are measured before and after the manipulation of the cochlea and bulla using a laser Doppler velocimeter coupled to a compound microscope. The frequency characteristics of the middle ear vibration after the manipulation are different from those before it. These differences are explained by considering mass and damping components of the cochlear impedance and mass and stiffness components of the bulla's impedance.
Keywords: Biomechanics / Seeing and Hearing Mechanism / Measurement / Middle Ear / Tympanic Membrane / Ossicles / Manipulation / Laser Doppler Velocimeter
URI: http://hdl.handle.net/10069/18925
ISSN: 13447653
Relational Links: http://ci.nii.ac.jp/naid/110004156063/
Rights: 社団法人日本機械学会 / 本文データは学協会の許諾に基づきCiNiiから複製したものである
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/18925

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