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Related Experiment Videos

Tinnitus suppression by cochlear implants.

W S McKerrow1, C E Schreiner, R L Snyder

  • 1Coleman and Epstein Laboratories, Department of Otolaryngology, University of California, San Francisco 94143-0732.

The Annals of Otology, Rhinology, and Laryngology
|July 1, 1991
PubMed
Summary
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Cochlear implants significantly suppress tinnitus in most patients, even with unilateral stimulation or no acoustic input. This suggests electrical stimulation could be a future treatment for tinnitus.

Area of Science:

  • Otolaryngology
  • Neuroscience
  • Biomedical Engineering

Background:

  • Cochlear implants are known to benefit tinnitus, but detailed studies are limited.
  • Understanding the mechanisms of tinnitus suppression by cochlear implants is crucial.

Purpose of the Study:

  • To assess the effectiveness of the UCSF/Storz cochlear implant in suppressing tinnitus.
  • To investigate the impact of stimulation and acoustic input on tinnitus suppression.

Main Methods:

  • Studied six patients with UCSF/Storz cochlear implants.
  • Monitored tinnitus suppression during stimulation and post-stimulation periods.
  • Evaluated effects with and without acoustic input to the speech processor.

Main Results:

Related Experiment Videos

  • Effective tinnitus suppression occurred in five of six patients with the device on and noise input.
  • Reduced tinnitus loudness was perceived by four of six patients with the device on but no acoustic input.
  • Unilateral stimulation often led to bilateral tinnitus suppression.

Conclusions:

  • Cochlear implants provide profound tinnitus suppression in a majority of users.
  • Further research is needed to optimize stimulation parameters for tinnitus suppression.
  • Electrical stimulation devices show promise for future tinnitus treatment.