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Effects of draining cochlear fluids on stapes displacement in human middle-ear models
Ist Teil von
The Journal of the Acoustical Society of America, 2001-12, Vol.110 (6), p.3132-3139
Ort / Verlag
United States
Erscheinungsjahr
2001
Link zum Volltext
Quelle
AIP Journals Complete
Beschreibungen/Notizen
Displacement-frequency characteristics of the stapes footplate were measured in five human temporal bones before and after draining the vestibule. Measurements were made in the 0.125-8 kHz range at 80 dB input sound pressure level, using a laser Doppler vibrometer. A circuit model was also used to predict stapes displacement. The temporal bone studies show a slight decrease in stapes footplate displacement at low frequency, and little change above 1 kHz. The displacement change is not as great as that found by other investigators or predicted by the model. There is little difference in stapes motion in temporal bones when the inner ear is intact or drained.