A statistical analysis of electrophysiological data from auditory nerve fibers in cat Technical report no. 451
Statistical analysis of electrophysiological data from auditory nerve fibers in cats
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Statistical analysis of electrophysiological data from auditory nerve fibers in cats
Discharge patterns of single fibers in cat auditory nerve in response to controlled acoustic stimuli
Electric stimulation of crossed olivocochlear cats and effect on auditory nerve responses
Absolute threshold of cat optic nerves determined by inspection of poststimulus time histograms, computed from responses of identical flashes of white light
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The effect of varying some membrane parameters is explored, basing the investigation on computer simulation of the Hodgkin-Huxley equations for the squid giant axon, including variations in the membrane capacitance, conductances, and the rate constants. It is shown that by reducing the degree of regeneration in the excitable membrane, the character of the nerve signal can be smoothly changed from that of the axonal spike to essentially electrotonic spread, with all gradations in between. The reduction in the degree of regeneration can most simply be brought about by a decrease in the density of active membrane patches.
Judgements of the loudness of pure-tone sound stimuli yield a loudness function which relates perceived loudness to stimulus amplitude. A loudness function is derived from physical evidence alone without regard to human judgments. The resultant loudness function is L=K(q-q0), where L is loudness, q is effective sound pressure (specifically q0 at the loudness threshold), and K is generally a weak function of the number of stimulated auditory nerve fibers. The predicted function is in agreement with loudness judgment data reported by Warren, which imply that, in the suprathreshold loudness regime, decreasing the sound-pressure level by 6 db results in halving the loudness.