通过声反射测定单频率听力阈值。
Determination of hearing threshold for single frequencies from the acoustic reflex.
作者信息
Sesterhenn G, Breuninger H
出版信息
Audiology. 1977 May-Jun;16(3):201-14.
PMID:880126
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.
摘要
通过预激活，镫骨肌反射活动的阈值可降低20 - 30分贝。根据正常和降低的反射阈值的这些测量结果，可以向下推断至听力阈值。因此，如果反射可诱发至8千赫，那么对于从0.125至4千赫的每个单一频率都可以确定听力阈值。
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