The effect of cross-over frequency on binaural hearing performance of adults using electric-acoustic stimulation

Paola V. Incerti*, Teresa Y. C. Ching, Robert Cowan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: To investigate the effect of varying cross-over frequency (CF) settings for electric-acoustic (EA) stimulation in one ear combined with acoustic (A) hearing in the opposite ear on binaural speech perception, localization and functional performance in real life. Methods: Performance with three different CF settings set according to audiometric-based criterion were compared, following a four week familiarisation period with each, in ten adult cochlear implant recipients with residual hearing in both ears. On completion of all trials participants selected their preferred CF setting. Results: On average, CF settings did not have a significant effect on performance scores. However, higher ratings on device usage were associated with the preferred CF settings. Conclusion: Individuals who use EA + A stimulation may benefit from access to different CF settings to achieve maximal device usage.

Original languageEnglish
Pages (from-to)190-206
Number of pages17
JournalCochlear implants international
Volume20
Issue number4
DOIs
Publication statusPublished - Jul 2019
Externally publishedYes

Keywords

  • word
  • cochlear implants
  • hearing aids
  • electric and acoustic stimulation
  • fitting
  • cross-over frequency

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