Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Electrodes: Overview

Electrodes: Overview

Electrochemical measurements are conducted in an electrochemical cell composed of various components that control and measure the current and potential. One fundamental component is electrodes, conductive materials that enable electron transfer reactions at their surfaces.
There are two main types of electrodes in electrochemical cells. The first type, known as the working or indicator electrode, has a potential that is sensitive to the analyte's concentration and reacts to changes in...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Estimating Performance Using Tonotopic Measurements of Intracochlear Electrocochleography: Comparison of Lateral Wall and Perimodiolar Arrays.

Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery·2026

Same author

Social Determinants of Health and Impact on Cochlear Implant Performance.

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·2026

Same author

Simultaneous multielectrode recordings along the human scala tympani: Evidence for level-dependent place coding.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same author

Cochlear Implant Candidacy Support Tool Using Conjunctive Consolidation.

JAMA otolaryngology-- head & neck surgery·2026

Same author

Perimodiolar Electrode Locations Outperform Lateral Wall Arrays When Controlling for Cochlear Health and Speech Processing Strategy.

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·2025

Same author

Single-Sided Deafness and Cochlear Implant Utilization: Are Traditional Speech Performance Factors Associated With Usage in Adult Patients?

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·2025

Search research articles

Related Experiment Video

Updated: Feb 17, 2026

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

Published on: July 28, 2022

Early Outcomes With a Slim, Modiolar Cochlear Implant Electrode Array.

Jonathan L McJunkin¹, Nedim Durakovic¹, Jacques Herzog^1,2

¹Department of Otolaryngology, Washington University in St. Louis, St. Louis.

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology

|December 12, 2017

Summary

The new CI532 cochlear implant electrode array shows good placement and speech outcomes. However, initial hearing preservation results are not as consistent as with other arrays.

More Related Videos

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Published on: August 4, 2023

Robotic Cochlear Implantation for Direct Cochlear Access

Robotic Cochlear Implantation for Direct Cochlear Access

Published on: June 16, 2022

Related Experiment Videos

Last Updated: Feb 17, 2026

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

Published on: July 28, 2022

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Published on: August 4, 2023

Robotic Cochlear Implantation for Direct Cochlear Access

Robotic Cochlear Implantation for Direct Cochlear Access

Published on: June 16, 2022

Area of Science:

Otolaryngology
Neurosurgery
Biomedical Engineering

Background:

Cochlear implantation is a key treatment for severe to profound hearing loss.
Advancements in electrode array design aim to improve surgical insertion and hearing outcomes.

Purpose of the Study:

To evaluate the outcomes of cochlear implantation using the new, slim modiolar CI532 electrode array.
To assess array placement, surgical complications, and audiological performance.

Main Methods:

A retrospective cohort study involving adult cochlear implant candidates.
Analysis of pre- and postoperative speech perception, operative details, and CT scans for array location.
Evaluation of 117 patients implanted with the CI532 array.

Main Results:

Eight intraoperative tip rollovers were resolved with reinsertion; one additional rollover was noted on postoperative CT.
CT scans confirmed complete scala tympani placement in most cases, with some instances of array translocation.
Speech perception scores improved significantly, with consonant-nucleus-consonant word scores increasing from 10% to 48% at 3 months postoperatively.

Conclusions:

The CI532 array insertion demonstrates consistent scala tympani location and provides expected audiologic performance.
Initial hearing preservation rates with the CI532 array are less consistent compared to current electro-acoustic arrays.