Cochlear implantation in single-sided deafness for enhancement of sound localization and speech perception

Sally M. Kamal, Aaron D. Robinson, Rodney C Diaz

Research output: Contribution to journalArticle

38 Scopus citations

Abstract

PURPOSE OF REVIEW: To examine the current literature regarding application of cochlear implantation in patients with single-sided deafness for improvement in sound localization. RECENT FINDINGS: As familiarity of the technical and biological capabilities of cochlear implantation improves and criteria for use broaden, investigators have begun examining usage of cochlear implantation in patients with single-sided deafness as a viable solution in attempts to improve sound localization and speech perception. Although studies of such application are limited, from the available published literature, modest benefits have been described in both sound localization and speech perception. Patients consistently report improvement in quality of life after cochlear implantation for single-sided deafness. SUMMARY: Although single-sided deafness is not a currently approved indication for cochlear implantation, limited investigational studies to date have demonstrated patient improvement in both sound localization and speech perception.

Original languageEnglish (US)
Pages (from-to)393-397
Number of pages5
JournalCurrent Opinion in Otolaryngology and Head and Neck Surgery
Volume20
Issue number5
DOIs
StatePublished - Oct 2012

Keywords

  • bone anchored hearing system
  • cochlear implant
  • contralateral routing of signal
  • interaural level difference
  • interaural phase difference
  • interaural time difference
  • single-sided deafness
  • squelch effect
  • summation effect
  • unilateral hearing loss

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Surgery

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