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서지반출
Diagnosis and Characterization of Middle-ear and Cochlear Functions
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  • Diagnosis and Characterization of Middle-ear and Cochlear Functions
저자명
Rong Z. Gan
간행물명
청능재활KCI
권/호정보
2013년|9권 2호(통권16호)|pp.95-112 (18 pages)
발행정보
한국청각언어재활학회|한국
파일정보
정기간행물|ENG|
PDF텍스트(0.78MB)
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서지반출

영문초록

Hearing impairment is one of the most common physical disabilities in the world. Conductive hearing loss results from dysfunction of the middle ear, and sensorineural hearing loss results from abnormalities within the cochlea or central nervous system. To improve the diagnosis of hearing loss and develop new technologies for restoration of hearing, changes of the middle ear and cochlear functions in relation to ear structural disorders in hearing impaired ears need to be characterized. This paper summarizes our biomedical engineering approach to characterize the middle ear and cochlear functions in normal and diseased ears. With the experimental measurements in human temporal bones and animal models and the finite element (FE) modeling of the human ear, a better understanding of biomechanics of the ear for sound transmission is achieved. The acoustic-mechanical vibration and energy transmission through the middle ear in normal and diseased ears can be visualized and quantified in a 3-dimensional FE model. Four novel model-derived “auditory test curves” named as the middle ear transfer function, energy absorbance, admittance tympanogram, and tympanic membrane holography are generated with clinically relevant applications.

목차

INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSIONS AND CONCLUSIONS
Acknowledgements

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