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Integration of acoustic and electrical hearing.

Abstract
For some individuals with severe high-frequency hearing loss, hearing aids cannot provide a satisfactory improvement in speech recognition. However, these same patients often have too much residual hearing to qualify as candidates for a cochlear implant. Here we describe results with the Iowa/Nucleus Hybrid cochlear implant, which is designed to preserve the patient's residual low-frequency hearing while at the same time supplementing their high-frequency hearing through electrical stimulation. The advantages of this approach are presented, including improved speech recognition in competing backgrounds as compared with traditional cochlear implants. The results with the Iowa/Nucleus Hybrid device demonstrate the ability of the auditory system to integrate acoustic and electrical stimulation, even under conditions of severe distortions to the normal cochlear place-frequency mapping.
AuthorsChristopher Turner, Bruce J Gantz, Lina Reiss
JournalJournal of rehabilitation research and development (J Rehabil Res Dev) Vol. 45 Issue 5 Pg. 769-78 ( 2008) ISSN: 1938-1352 [Electronic] United States
PMID18816425 (Publication Type: Journal Article, Research Support, N.I.H., Extramural, Research Support, Non-U.S. Gov't)
Topics
  • Adult
  • Audiometry, Pure-Tone (methods)
  • Cochlear Implantation (methods)
  • Cochlear Implants
  • Cohort Studies
  • Combined Modality Therapy
  • Electric Stimulation
  • Electrodes, Implanted
  • Female
  • Follow-Up Studies
  • Hearing Loss, High-Frequency (diagnosis, rehabilitation, surgery)
  • Humans
  • Male
  • Prosthesis Design
  • Sampling Studies
  • Sensitivity and Specificity
  • Speech Acoustics
  • Speech Perception (physiology)
  • Treatment Outcome

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