Experimental formula for the wave V peak latency of the auditory evoked response(II): : Derivation of a practical formula by appling the 3 dimentional function to the experimetal data.

概要

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As described in the series(I)'s paper of this study the auditory brainstem responses(ABR)is well known as being well suited for the auditory clinical application. Especially, the peak latency of the ABR wave V is a reliabale index for the clinical neurologic examination. This paper is the series(II)of this study, and reports the derivation of a practical formula by appling the linear reguressiom analysis method and the 3 dimensional function the type of which was estimated in the series(I)'s paper to the experimental data of the peak latencies of the wave V of 30 normal adult subjects who were evoked by the click stimulation the parameters of which were changed within 30 and 90 ndB HL in the intensity, 12.5 to 50.0 ms in the interval, and 0.1 to 1.0 ms in the duration. It is confirmed that this experimental formula the coefficents of which were optimized within the laid parameter's ranges is a very practical index to estimate the normal peak latency of the click evoked ABR within those ranges.