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Related Concept Videos

The Cochlea01:13

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.

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Related Experiment Video

Updated: Jun 18, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

Cochlear implants: system design, integration, and evaluation.

Fan-Gang Zeng1, Stephen Rebscher, William Harrison

  • 1Department of Anatomy and Neurobiology, University of California, Irvine, CA 92697, USA. fzeng@uci.edu

IEEE Reviews in Biomedical Engineering
|December 1, 2009
PubMed
Summary
This summary is machine-generated.

Cochlear implants, a successful neural prosthesis, restore partial hearing for over 120,000 people. This review details their system design, development, and future potential for treating hearing loss.

Keywords:
Auditory prosthesisauditory brainstemauditory nervebiocompatibilitybiomaterialscurrent sourceelectric stimulationelectrodefine structurehermetic sealingloudnessmusic perceptionpitchradio frequencysafetysignal processingspeech recognitiontemporal resolution

More Related Videos

Robotic Cochlear Implantation for Direct Cochlear Access
08:06

Robotic Cochlear Implantation for Direct Cochlear Access

Published on: June 16, 2022

Related Experiment Videos

Last Updated: Jun 18, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

Robotic Cochlear Implantation for Direct Cochlear Access
08:06

Robotic Cochlear Implantation for Direct Cochlear Access

Published on: June 16, 2022

Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Audiology

Background:

  • Cochlear implants are the most successful neural prostheses, restoring partial hearing to over 120,000 individuals globally.
  • Pediatric users of cochlear implants demonstrate significant language development, highlighting the technology's impact on early intervention.
  • The success of cochlear implants relies on interdisciplinary collaboration among engineers, scientists, physicians, educators, and entrepreneurs.

Purpose of the Study:

  • To provide a comprehensive review of cochlear implant research and development from both academic and industrial viewpoints.
  • To analyze the cochlear implant system from a holistic perspective, covering design, components, integration, and evaluation.
  • To discuss future challenges and broader implications for treating hearing impairment and developing other neural prostheses.

Main Methods:

  • Systematic review of major events and advances in cochlear implant technology.
  • Analysis of cochlear implant system design, specifications, and subsystem components (external speech processor, RF link, internal receiver, stimulator, electrode arrays).
  • Evaluation of system integration, safety, reliability, and current/future challenges.

Main Results:

  • Cochlear implant technology has evolved significantly, driven by collaborative efforts and technological advancements.
  • Detailed examination of the design principles and methods for each subsystem component.
  • Identification of critical issues in system integration, safety, and reliability.

Conclusions:

  • Cochlear implants represent a triumph of interdisciplinary biomedical engineering, significantly improving hearing for many.
  • Ongoing research and development are crucial for addressing current limitations and enhancing future applications.
  • The cochlear implant serves as a valuable model for developing other neural prostheses, expanding treatment options for sensory impairments.