By Peter Dallos (auth.), Peter Dallos, Arthur N. Popper, Richard R. Fay (eds.)

Knowledge in regards to the constitution and serve as of the internal ear is key to an realizing of vertebrate listening to. This quantity provides an in depth review of the mammalian cochlea from its anatomy and body structure to its biophysics and biochemistry. The 9 evaluation chapters, written by way of across the world exclusive auditory researchers, supply an in depth and unified advent to sound processing within the cochlea and the stairs in which the resultant signs are ready for the imperative anxious system.

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Singapore: World Scientific, pp. 33-39. Neely ST, Kim DO (1983) An active cochlear model showing sharp tuning and high sensitivity. Hear Res 9:123-130. Nielsen DW, Turner RG (1983) Micromechanics of the reptilian ear. Audiology 22:530-544. Nuttall AL, Brown MC, Masta RI, Lawrence M (1981) Inner hair cell responses to the velocity of basilar membrane motion in the guinea pig. Brain Res 211:171-174. Oesterle EC, Dallos P (1989) Intracellular recordings from supporting cells in the guinea-pig cochlea: AC potentials.

16 kHz O. s 10 10' 8 8 6 6 4 4 2 2 0 0 Q) m c: 0 a. 12 (A) DC response from IHCs in the base of the cochlea at best frequency (after Russell and Sellick 1978) and AC and DC responses from an IHC in the third turn at best frequency. ) (B) DC response from an OHC in the base of the cochlea at best frequency (after Russell, Cody and Richardson 1986) and AC and DC responses from OHCs in the third turn (after Fig. 6 from Dallos 1985b). (C) Peak response magnitude versus ciliary bundle displacement recorded intracellularly from an IHC in a mouse organotypic cochlear culture.

It remains to be determined which method produces less deleterious conditions. If a longitudinal dichotomy in the cochlea between high- and low-frequency OHC behavior does exist, then the low-frequency pattern extends at least to the 4-kHz location. We note in passing that OHCs from any cochlear location show electromotility, the presumed feedback link in cochlear amplification. It is mentioned that the distortion of the organ of Corti that may arise from either recording method has a relatively minimal effect on the AC response.

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