Journal
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
Volume 126, Issue 1, Pages 4-6Publisher
ACOUSTICAL SOC AMER AMER INST PHYSICS
DOI: 10.1121/1.3143782
Keywords
bioelectric phenomena; biomechanics; cellular biophysics; damping; ear; hearing
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Funding
- NIDCD, NIH
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A release mechanism, which has been experimentally observed as the fast component in the hair bundle's response to mechanical stimulation, appears similar to common mechanical relaxation with a damping effect. This observation is puzzling because such a response is expected to have an amplifying role in the mechanoelectrical transduction process in hair cells. Here it is shown that a release mechanism can indeed have a role in amplification, if it is associated with negative stiffness due to the gating of the mechonoelectric transducer channel.
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