The role of the utah artificial ear project in the development of the modern cochlear implant

Michael Dorman, James L. Parkin

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The cochlear implant has provided the first substantial restoration of a human sense by a medical intervention. This accomplishment was brought about by the efforts, over a 50+ year period, of many individuals in laboratories around the world. In this paper, we recount the history of one of the early projects – the Utah Artificial Ear project. In 1970 researchers at the University of Utah began work on an auditory prosthesis. A critical early decision was to create a ‘transparent’ link between external signal processing and the electrodes implanted in the cochlea, i.e., a percutaneous pedestal. The pedestal allowed D. Eddington, then a graduate student, to conduct, in 1975–1978, the first thorough, parametric, psychophysical studies of electrical stimulation of the cochlea in multiple human volunteers. The early work by Eddington and colleagues evolved in 1983 into the 4-channel, Ineraid cochlear implant. Many years later, highly effective, modern signal processing algorithms, e.g., continuous interleaved sampling (CIS), fine structure processing (FSP), and virtual channel processing, were first tested and developed with the aid of Ineraid patients fit with pedestals of the Utah design. Because for many years the Ineraid provided as high a level of speech understanding as that provided by other devices and because the percutaneous pedestal allowed the first testing of many modern signal processing algorithms, the Utah Artificial Ear project may be viewed as one of the most valuable research projects in the history of cochlear implants.

Original languageEnglish (US)
Pages (from-to)S1-S11
JournalCochlear Implants International
Volume16
Issue numberS2
DOIs
StatePublished - 2015

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Cochlear Implants
Ear
Cochlea
History
Implanted Electrodes
Electric Stimulation
Volunteers
Research Personnel
Students
Equipment and Supplies
Research

Keywords

  • Cochlear Implant
  • History
  • Percutaneous Pedestal

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Speech and Hearing

Cite this

The role of the utah artificial ear project in the development of the modern cochlear implant. / Dorman, Michael; Parkin, James L.

In: Cochlear Implants International, Vol. 16, No. S2, 2015, p. S1-S11.

Research output: Contribution to journalArticle

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