Vibration of reflective beads placed on the basilar membrane |
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Authors: | SM Khanna M Ulfendahl CR Steele |
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Affiliation: | College of Physicians and Surgeons of Columbia University, New York, NY 10032, USA. smk3@columbia.edu |
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Abstract: | Most investigators place reflective beads on the basilar membrane to measure its vibration with optical methods. It is therefore important to find out if the beads faithfully follow the motion of the structures on which they are placed. Vibration of the beads on the basilar membrane and basilar membrane adjacent to the beads are measured in the third turn of the guinea pig cochlea in a temporal bone preparation. It is shown that the beads do not follow the motion of the organ. The mechanism by which this departure may occur is investigated by modeling the motion of the beads on the Claudius' cells. |
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