Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Identifying electrode failures with cochlear implant generated surface potentials

L H Mens1, T Oostendorp, P van den Broek

  • 1University Hospital Nijmegen, The Netherlands.

Ear and Hearing
|August 1, 1994
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Multi-omics profiling of chronic immune-mediated skin diseases: SKINERGY protocol and strategic evaluation.

Journal of the European Academy of Dermatology and Venereology : JEADV·2026
Same author

An Overview of the Protein Binding of Cephalosporins in Human Body Fluids: A Systematic Review.

Frontiers in pharmacology·2022
Same author

Experimental study of diclofenac and its biliary metabolites on anastomotic healing.

BJS open·2018
Same author

Endothelial CD276 (B7-H3) expression is increased in human malignancies and distinguishes between normal and tumour-derived circulating endothelial cells.

British journal of cancer·2014
Same author

Abstracts of Presentations at the International Conference on Basic and Clinical Multimodal Imaging (BaCI), a Joint Conference of the International Society for Neuroimaging in Psychiatry (ISNIP), the International Society for Functional Source Imaging (ISFSI), the International Society for Bioelectromagnetism (ISBEM), the International Society for Brain Electromagnetic Topography (ISBET), and the EEG and Clinical Neuroscience Society (ECNS), in Geneva, Switzerland, September 5-8, 2013.

Clinical EEG and neuroscience·2013
Same author

Neonatal sepsis in a neonatal intensive care unit in Indonesia.

The Journal of hospital infection·2009
Same journal

Community-Informed Adaptation of a School-Based Hearing Health Intervention: Formative Evaluation for an Effectiveness-Implementation Trial.

Ear and hearing·2026
Same journal

Hearing Difficulty, Health Literacy, and Poorer Health Among Adults in the United States: 2016 Behavioral Risk Factor Surveillance Study.

Ear and hearing·2026
Same journal

Cultural Differences in Listening Environments Between Hispanic and White Non-Hispanic Cochlear Implant Users.

Ear and hearing·2026
Same journal

Detection of Inner Ear Malformations Based on Simple Anatomical Measurements: A Model Approach.

Ear and hearing·2026
Same journal

Avoiding Cisplatin-Related Hearing Loss, Including Implementing Sodium Thiosulfate as Otoprotectant Into Daily Pediatric Clinical Practice: Proceedings Based on Evidence and Expert Opinion From the Ototoxicity Taskforce of the SIOP Supportive Care Network.

Ear and hearing·2026
Same journal

Quantifying Miscommunications in Triadic Conversations: Effects of Hearing Impairment, Hearing Aids, and Background Noise.

Ear and hearing·2026
See all related articles

Electrode-by-electrode (E-E) mapping is a quick procedure to detect cochlear implant malfunctions. This method helps identify issues with implanted receivers and electrode arrays, ensuring better device performance.

Area of Science:

  • Biomedical Engineering
  • Audiology
  • Medical Device Technology

Background:

  • Multichannel cochlear implants are crucial for hearing restoration.
  • Nonintermittent malfunctioning of implanted receivers and electrode arrays can significantly impair device efficacy.
  • Accurate diagnostic tools are needed to identify hardware failures in cochlear implants.

Purpose of the Study:

  • To describe and validate electrode-by-electrode (E-E) mapping for detecting cochlear implant hardware malfunctions.
  • To establish normative data for E-E mapping in a patient cohort.
  • To assess the clinical utility of E-E mapping, particularly in pediatric cases and during intraoperative procedures.

Main Methods:

  • Electrode-by-electrode (E-E) mapping involves sequential stimulation of all paired electrode combinations.

Related Experiment Videos

  • Recorded waveforms are averaged, and peak-to-peak amplitudes are analyzed to detect open or short-circuited electrodes.
  • Normative data were collected from 21 patients, and the procedure's time efficiency and stimulus amplitude requirements were evaluated.

    • Main Results:

    • E-E mapping successfully identified electrode failure in three patients with correlating behavioral thresholds and hardware issues.
    • One case of overstimulation at high stimulus levels was detected.
    • The procedure is time-efficient (approx. 15 minutes) and uses low stimulus amplitudes, suitable for children; partial maps can be generated intraoperatively.

    Conclusions:

    • Electrode-by-electrode (E-E) mapping is an effective and efficient method for diagnosing nonintermittent malfunctions in multichannel cochlear implant systems.
    • The technique provides a comprehensive assessment of electrode integrity and can be integrated into routine clinical practice and intraoperative monitoring.
    • E-E mapping offers a valuable tool for ensuring optimal cochlear implant function and patient outcomes.