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A Possible Third Window for Bone Conducted Hearing: Cochlear Aqueduct vs. Vestibular Aqueduct
Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences.
Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences.ORCID iD: 0000-0003-3350-8997
2015 (English)In: Mechanics of hearing: Protein to perception, American Institute of Physics (AIP), 2015, Vol. 1703, no 060016, 060016-1-060016-4 p.Conference paper (Refereed)Text
Abstract [en]

A third window, which is another cochlear fluid pathway different from the oval window and round window, is considered to be a significant factor in bone-conducted hearing. A three-dimensional finite element model of the human ear consisting of the middle ear and cochlea was used to investigate the effect of the third windows on bone-conducted heraing. This study is aimed to find the third window which causes the consistent cochlear responses with previous studies in air-conducted hearing, and causes the asymmetry of the volume velocity ratio between the oval window and round window in bone-conducted hearing. The preliminary result shows that the cochlear aqueduct and the vestibular aqueduct with high impedance do not affect the basilar membrane velocity in air-conducted hearing. On the contrary, in bone-conducted hearing, the direction of the shaking structure for the bone-conducted stimulation as well as the third window can be a significant factor causing the asymmetry of the volume velocity ratio found by Stenfelt et al.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2015. Vol. 1703, no 060016, 060016-1-060016-4 p.
Series
, AIP Conference Proceedings, ISSN 0094-243X
National Category
Clinical Medicine
Identifiers
URN: urn:nbn:se:liu:diva-127074DOI: 10.1063/1.4939371ISI: 000372065400058ISBN: 978-0-7354-1350-4OAI: oai:DiVA.org:liu-127074DiVA: diva2:919347
Conference
12th International Workshop on the Mechanics of Hearing, Cape Sounio, Greece, 23–29 June 2014
Available from: 2016-04-13 Created: 2016-04-13 Last updated: 2016-04-28Bibliographically approved

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Kim, Nam KeunStenfelt, Stefan
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Division of Neuro and Inflammation ScienceFaculty of Medicine and Health Sciences
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