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The effects of cochlear hearing loss, age and sex on the auditory brainstem response
journal contribution
posted on 2023-06-09, 04:51 authored by David Robert WatsonThis study analyzed the effects of auditory impairment, age and sex on the auditory brainstem response (ABR) wave latencies. ABR wave I, wave V and I-V interval measures were extracted from the clinical records of 201 patients with cochlear hearing loss. Females had consistently earlier wave V latencies and shorter I-V intervals than males. No age effects were observed. Degree of impairment had a systematic effect on ABR wave latencies and I-V intervals. Wave I displayed latency extension with increasing levels of high-frequency hearing loss, whilst for wave V increases in latency were dependent upon both degree and slope of the hearing loss. Present results suggest that many of the previously reported sex differences and variable interactions seen for the ABR can be accounted for by differences in the underlying distribution of audiogram shapes within and between study populations. Different audiometric configurations were found to produce consistent differential effects on both wave I and wave V latency and thus influence the I-V interval. This study underlines the need to develop a more detailed model of impairment effects if correction factors are to be employed more effectively in ABR testing for retrocochlear pathology.
History
Publication status
- Published
Journal
International Journal of AudiologyISSN
1499-2027Publisher
Taylor & FrancisExternal DOI
Issue
5Volume
35Page range
246-258Department affiliated with
- BSMS Neuroscience Publications
Research groups affiliated with
- Sussex Neuroscience Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2017-01-23Usage metrics
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