Semin Hear 2002; 23(3): 183-192
DOI: 10.1055/s-2002-34455
Copyright © 2002 by Thieme Medical Publishers, Inc., 333 Seventh Avenue, New York, NY 10001, USA. Tel.: +1(212) 584-4662

Electrophysiological Responses in Individuals with Auditory Neuropathy

Abreena I. Tlumak
  • University of Pittsburgh, Pittsburgh, Pennsylvania
Further Information

Publication History

Publication Date:
02 October 2002 (online)

ABSTRACT

Auditory neuropathy describes a condition that displays auditory characteristics consistent with absent neural function in the presence of normal cochlear or outer hair cell function. This review reveals a constellation of diagnostic features and inconsistent test results associated with auditory neuropathy. It also details some of the first hypothesized etiologies and briefly touches on the current philosophy of auditory dys-synchrony. The remainder identifies two important problems that arise in the auditory neuropathy literature: the inconsistent reporting and lack of standardization in testing criteria, specifically for middle- and long-latency responses, and sample size. Because of the lack of a testing protocol, issues surrounding electrode montage, filter parameters, stimulus characteristics, and rise-fall times are explored, mainly because of their profound effects on electrophysiological waveforms. Lastly, an idea is proposed for collaboration to record a potential continuum, starting with the cochlear microphonic through the auditory brainstem response, middle-latency response, and long-latency response through the P3 response.

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