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Comparing neural response telemetry amplitude growth functions with loudness growth functions: preliminary results


Lai, W K; Dillier, N (2007). Comparing neural response telemetry amplitude growth functions with loudness growth functions: preliminary results. Ear and Hearing, 28(2 Supp):42S-45S.

Abstract

Comparisons of the subjective loudness growth function and the objective evoked compound action potential (ECAP) amplitude growth function indicate that both functions are exponential in nature. This implies that a more accurate estimate of the ECAP threshold would be obtained using exponential regression of the amplitude growth function instead of the currently used linear regression. The perceptual threshold and the ECAP threshold seem to approach each other when the stimulation rate is lowered to reduce temporal summation effects. The effect of the stimulation rate on the perceptual threshold will have to be taken into account when trying to use the ECAP threshold for predicting the perceptual threshold.

Abstract

Comparisons of the subjective loudness growth function and the objective evoked compound action potential (ECAP) amplitude growth function indicate that both functions are exponential in nature. This implies that a more accurate estimate of the ECAP threshold would be obtained using exponential regression of the amplitude growth function instead of the currently used linear regression. The perceptual threshold and the ECAP threshold seem to approach each other when the stimulation rate is lowered to reduce temporal summation effects. The effect of the stimulation rate on the perceptual threshold will have to be taken into account when trying to use the ECAP threshold for predicting the perceptual threshold.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Otorhinolaryngology
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2007
Deposited On:30 Mar 2009 10:57
Last Modified:05 Apr 2016 12:43
Publisher:Lippincott Wiliams & Wilkins
ISSN:0196-0202
Publisher DOI:https://doi.org/10.1097/AUD.0b013e3180315104
PubMed ID:17496644

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