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Related Experiment Video

Updated: May 26, 2026

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice
09:06

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Published on: January 9, 2019

Long-term monaural auditory deprivation and bilateral cochlear implants.

Isabelle Boisvert1, Catherine M McMahon, Richard C Dowell

  • 1Centre for Language Sciences, Macquarie University, North Ryde, Sydney, NSW 2109, Australia. iboisvert@hearingcrc.org

Neuroreport
|December 21, 2011
PubMed
Summary

Long-term auditory deprivation before cochlear implantation does not significantly impact hearing outcomes. Peripheral changes in the deprived ear have minimal effect on post-implantation speech recognition.

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Area of Science:

  • Audiology
  • Neuroscience
  • Otolaryngology

Background:

  • Long-term binaural auditory deprivation can negatively affect speech recognition after cochlear implantation.
  • The specific contributions of peripheral versus central auditory system changes to these outcomes remain unclear.

Purpose of the Study:

  • To investigate the impact of peripheral auditory deprivation on cochlear implantation outcomes.
  • To differentiate between peripheral and central auditory system contributions to post-implantation hearing.

Main Methods:

  • Retrospective study comparing outcomes in individual ears of adults receiving bilateral cochlear implants.
  • Analysis of outcomes in the auditory-deprived ear versus the hearing-aid-aided ear.

Main Results:

Related Experiment Videos

Last Updated: May 26, 2026

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice
09:06

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Published on: January 9, 2019

  • Similar speech recognition outcomes were achieved with implants in either the auditory-deprived or the hearing-aid-aided ear.
  • Peripheral changes associated with monaural auditory deprivation appear to have a limited effect on cochlear implant success.

Conclusions:

  • Peripheral changes from long-term monaural auditory deprivation do not significantly hinder cochlear implantation outcomes.
  • Central auditory system adaptations may play a more critical role in binaural hearing outcomes after cochlear implantation.