On the extraction of the signal-excitation function from a non-Poisson cochlear neural spike train

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Abstract
In two recent papers in this J o u r n a l, Johnson and Swami [J. Acoust. Soc. Am. 7 4, 493–501 (1983)] and Gaumond e t a l. [J. Acoust. Soc. Am. 7 4, 1392–1398 (1983)] have given procedures for estimating the signal‐excitation function s(t) conveyed by a non‐Poisson cochlear neural spike train with a known neural recovery function r(t−t’). For a delayed step form of r(t−t’), we show how s(t) may be directly (noniteratively) determined from the post‐stimulus‐time (PST) histogram response. We also show that for more general recovery functions, s(t) may be determined from the PST histogram response by using a simple iterative method.

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