Cited by 880Hearing Loss and RehabilitationNeuroscience and Neural EngineeringSpeech and Audio Processing

Cochlear Implants: System Design, Integration, and Evaluation

Open access
Zeng, Fan-Gang, Rebscher, Stephen, Harrison, William, Sun, Xiaoan, Feng, Haihong·2008·IEEE Reviews in Biomedical Engineering

Abstract

As the most successful neural prosthesis, cochlear implants have provided partial hearing to more than 120000 persons worldwide; half of which being pediatric users who are able to develop nearly normal language. Biomedical engineers have played a central role in the design, integration and evaluation of the cochlear implant system, but the overall success is a result of collaborative work with physiologists, psychologists, physicians, educators, and entrepreneurs. This review presents broad yet in-depth academic and industrial perspectives on the underlying research and ongoing development of cochlear implants. The introduction accounts for major events and advances in cochlear implants, including dynamic interplays among engineers, scientists, physicians, and policy makers. The review takes a system approach to address critical issues in cochlear implant research and development. First, the cochlear implant system design and specifications are laid out. Second, the design goals, principles, and methods of the subsystem components are identified from the external speech processor and radio frequency transmission link to the internal receiver, stimulator and electrode arrays. Third, system integration and functional evaluation are presented with respect to safety, reliability, and challenges facing the present and future cochlear implant designers and users. Finally, issues beyond cochlear implants are discussed to address treatment options for the entire spectrum of hearing impairment as well as to use the cochlear implant as a model to design and evaluate other similar neural prostheses such as vestibular and retinal implants.

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  1. [56]Ay SU Zeng F-G Sheu BJ Hearing with bionic ears IEEE Circuits and Devices 5 18 23 1997
  2. [147]Roland JT A model for cochlear implant electrode insertion and force evaluation: results with a new electrode design and insertion technique Laryngoscope 115 2005 1325 1339 16094101
  3. [149]Rebscher S Hetherington A Bonham B Wardrop P Whinney D LEAKE PA Considerations for design of future cochlear implant electrode arrays: electrode array stiffness, size and depth of insertion J Rehab Res Dev 45 2008 in press PMC2562296 18816423
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  5. [161]Balkany TJ Eshraghi AA Yang N Modiolar proximity of three perimodiolar cochlear implant electrodes Acta Otolaryngol 122 363 9 2002 12125990
  6. [176]Finley CC Holden TA Holden LK Whiting BR Chole RA Neely GJ Hullar TE Skinner MW Role of Electrode Placement as a Contributor to Variability in Cochlear Implant Outcomes Otol Neurotol 2008 PMC2663852 18667935
  7. [177]Skinner MW Ketten DR Holden LK Harding GW Smith PG Gates GA Neely JG Kletzker GR Brunsden B Blocker B CT-derived estimation of cochlear morphology and electrode array position in relation to word recognition in Nucleus-22 recipients J Assoc Res Otolaryngol 3 332 50 2002 12382107 PMC3202410

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Authors
Zeng, F.-G., Rebscher, S., Harrison, W., Sun, X., & Feng, H.
Affiliations
  • University of California, Irvine (US)
  • University of California, San Francisco (US)
  • Silere Med. Technol., Inc., Kirkland, WA
  • Nurotron Biotechnol. Inc., Irvine, CA
  • Chinese Academy of Sciences (CN)
Corresponding author
Zeng, Fan-Gang
Venue
IEEE Reviews in Biomedical Engineering
Published
2008
Volume
1
Pages
115-142
ISSN
  • 1937-3333 (ISSN-L)
  • 1941-1189
OpenAlex
W2112854909
Cited by
878
References
227
Citations by year
2026: 60 · 2025: 75 · 2024: 65 · 2023: 62 · 2022: 57 · 2021: 79 · 2020: 69 · 2019: 70 · 2018: 50 · 2017: 48 · 2016: 44 · 2015: 39 · 2014: 43 · 2013: 40 · 2012: 27
FWCI
1.24
Type
journal article
Language
en
Open access
Locations
  • IEEE Reviews in Biomedical Engineering (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (HHS-N-263-2007-00054-C, 5r01dc008858-05)
  • U.S. Public Health Service (HHSN-263-2007-00054C)
  • National Institute on Deafness and Other Communication Disorders (P30DC008369, HHSN263200700054C, R01-DC008858, R01DC002267)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Hearing Loss and Rehabilitation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
  • Physical Sciences › Computer Science › Signal Processing › Speech and Audio Processing
Keywords
cochlear implants, neural prostheses, hearing loss, system design, radio frequency transmission, stimulator, electrode arrays, system integration, safety and reliability, functional assessment, pediatric cochlear implant users, vestibular implant, retinal prosthesis
MeSH terms
Animals, Cochlear Implants, Humans, Prosthesis Design

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