Title
Do non-piston components contribute to scala vestibuli pressure behind the footplate in gerbils? Do non-piston components contribute to scala vestibuli pressure behind the footplate in gerbils?
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
bookPart
Publication
Singapore :World Scientific, [*]
Source (book)
Middle ear mechanics in research and otology / Eiber, A. [edit.]
ISI
000261795300015
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
In recent papers we have shown that the mode of vibration of the ossicular chain in cat and human temporal bones is more complex than a simple rotation about a fixed axis and that it also changes with frequency. For the stapes e.g. it was shown that rotations of the footplate about its long and short axis are present besides the predominant piston-like velocity component. As the footplate motion gives rise to the pressure wave set up in the cochlea, we investigated whether the non-piston components contribute to the pressure produced in the gerbil cochlea: 3-D vibration velocity of the stapes along with the scala vestibuli pressure were measured in the same animals. We found no correlation between non-piston components and scala vestibuli pressure.
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