Titlebook: Mechanics of Hearing; Proceedings of the I E. Boer (Chairman),M. A. Viergever (Secretary) Conference proceedings 1983 Delft University Pres

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Simultaneous Amplitude and Phase Match of Cochlear Model Calculations and Basilar Membrane Vibrationa of basilar membrane (BM) vibration. Negative results were reported by Allen and Sondhi (1979), Viergever (1980), and Neely (1981), all using a two-dimensional (2D) cochlea model. Steele and Taber (1981) on the other hand found fair agreement between their 3D model calculations and Wilson and Johns

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Modelling Cochlear Echoes: The Influence of Irregularities in Frequency Mapping on Summed Cochlear An basilar membrane vibration amplitude and phase followed by a “second filter” process. The vector sum of the second filter outputs, representing gross cochlear activity, is very small for a smoothly changing basilar membrane impedance and regular tonotopic mapping of the second filters. However, an

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Critical Behaviour of Auditory Oscillators Near Feedback Phase Transitionsthat of narrowly tuned emissors which become active under stimulation, but show no spontaneous activity. The other class is already spontaneously active and remains active under stimulation. Both classes show non-linear input-output behaviour, frequency “entrainment” and “decoupling” of amplitude- a

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Two Aspects of Cochlear Acoustic Emissions: Response Latency and Minimum Stimulus Energyis latency is frequency dependent: the lower the frequency, the longer the latency. In the second part of this paper the measurement of minimum stimulus energy to evoke a cochlear acoustic emission is described. This energy is so low (1 eV) that processes at molecular level are likely to play an imp

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Electromechanical Processes in the Cochlearing force is described by first order kinetics and leads to an increase in sensitivity and frequency selectivity of the basilar membrane response. Several different experimental results from our laboratory suggest that hair cell membrane potential plays an important role in this feedback process. T

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A Non-Linear Feedback Model for Outer-Hair-Cell Stereocilia and its Implications for the Response ofresponse data as well as the properties of stimulated and spontaneous emissions in the external auditory meatus (S. Koshigoe and A. Tubis, 1982). We have tried to remedy the ad hoc nature of this formal “black box” approach by seeking a microscopic basis for the assumed nonlinear and active BM respo