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논문 기본 정보

저자정보
(동아대학교병원)
저널정보
한국음성학회 말소리와 음성과학 말소리와 음성과학 제1권 제2호
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피인용 4

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    초록·키워드

    Animal experiments have shown that the positive peaked electrically compound action potentials (ECAPs) can be recorded in round window, intracochlear, and nerve trunk by stimulating a monopolar pulse. However, positive peaked ECAPs of cochlear implant recipients have never been reported because ECAPs are recorded from intracochlear electrodes after bipolar stimulation. In our experiment, the positive peaked ECAPs were recorded from 18 intracochlear electrodes in cochlear implant recipients with multiple cochlear anomalies. Thresholds in each channel were measured and the latency of P-, N-wave, and amplitude of P-N were analyzed. These results were identical with the electrically auditory brainstem response (EABR) on the input-output characteristics. In conclusion, the positive peaked ECAPs from the cochlear implant recipients are antidromic ECAPs recorded by perimodiolar electrodes stimulating cochlear implants with multiple anomalies. Therefore, positive peaked ECAPs can be used as useful audiological tools to evaluate the eighth nerve ending.

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      UCI(KEPA) : I410-ECN-0101-2010-701-002124911