Electric auditory brain-stem responses in nucleus multichannel cochlear implant users

A. V. Hodges, R. A. Ruth, P. R. Lambert, T. J. Balkany

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Objective: The electrically elicited auditory brainstem response (EABR) has been proposed as a tool for use in cochlear implant device setting. To systematically examine the relationships of psychophysical perceptions and EABRs, implant users underwent a series of comparative measurements. The characteristics of the EABR were assessed for their predictive value in determining the subjective measures needed to set the implant device. Design: Characteristics of the EABR and various perceptual measures in a group of cochlear implant users served as compared variables in a correlational study. Setting: The study was carried out in the audiology clinic of a university hospital. The audiology clinic maintained a fully equipped evoked potential laboratory, and was part of an otolaryngology department that supported a cochlear implant program. Subjects: The subjects consisted of 10 consecutively selected postlinguistically deafened adult multichannel cochlear implant users. Main Outcome Measures: Morphology, latency, and amplitude measures of the EABR recordings were compared with behavioral perceptions of threshold, most comfortable and uncomfortable loudness levels. Results: Perceptual measures of threshold were found to be significantly related to the threshold of the EABR across subjects and electrode position. Simple linear regression analysis was used to measure the degree of the relationship. An r value of 0.89 attests to a significant relationship. The EABR wave latencies and amplitudes were found to have no significant relationship to any of the perceptual measures examined. Conclusions: Although EABR cannot replace behavioral measurements for device setting, in difficult cases EABR thresholds may be used as a starting point from which to estimate settings for the device.

Original languageEnglish
Pages (from-to)1093-1099
Number of pages7
JournalArchives of Otolaryngology - Head and Neck Surgery
Volume120
Issue number10
StatePublished - Jan 1 1994

Fingerprint

Cochlear Implants
Brain Stem Auditory Evoked Potentials
Audiology
Equipment and Supplies
Otolaryngology
Evoked Potentials
Reaction Time
Linear Models
Electrodes
Regression Analysis
Outcome Assessment (Health Care)

ASJC Scopus subject areas

  • Otorhinolaryngology

Cite this

Hodges, A. V., Ruth, R. A., Lambert, P. R., & Balkany, T. J. (1994). Electric auditory brain-stem responses in nucleus multichannel cochlear implant users. Archives of Otolaryngology - Head and Neck Surgery, 120(10), 1093-1099.

Electric auditory brain-stem responses in nucleus multichannel cochlear implant users. / Hodges, A. V.; Ruth, R. A.; Lambert, P. R.; Balkany, T. J.

In: Archives of Otolaryngology - Head and Neck Surgery, Vol. 120, No. 10, 01.01.1994, p. 1093-1099.

Research output: Contribution to journalArticle

Hodges, AV, Ruth, RA, Lambert, PR & Balkany, TJ 1994, 'Electric auditory brain-stem responses in nucleus multichannel cochlear implant users', Archives of Otolaryngology - Head and Neck Surgery, vol. 120, no. 10, pp. 1093-1099.
Hodges, A. V. ; Ruth, R. A. ; Lambert, P. R. ; Balkany, T. J. / Electric auditory brain-stem responses in nucleus multichannel cochlear implant users. In: Archives of Otolaryngology - Head and Neck Surgery. 1994 ; Vol. 120, No. 10. pp. 1093-1099.
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