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Original Article

Determination of Hearing Threshold for Single Frequencies From the Acoustic Reflex

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Pages 201-214 | Published online: 08 Jun 2010
 

Abstract

With preactivation, the threshold of stapedial reflex activity can be lowered by 20–30 dB. From these measures of the normal and reduced reflex threshold, an extrapolation may be performed down to the hearing threshold. Thus, the hearing threshold can be determined for every single frequency from 0.125 to 4 kHz if the reflex is elicitable up to 8 kHz.

Résumé

Graˇce à une pré-stimulation, le seuil du réflexe stapédien peut ětre réduit de 20 à 30 dB. Afin de déterminer le seuil d'audition, nous faisons une extrapolation à partir du seuil classique et du seuil réduit du réflexe. Il est ainsi possible de déterminer objectivement le seuil d'audition pour chaque fréquence entre 0.125 et 4 kHz, à condition que le réflexe stapédien puisse ětre obtenu jusqu'à 8 kHz.

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