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Related Experiment Video

Updated: Jul 1, 2026

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process
07:00

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process

Published on: June 21, 2024

Objective methods in postlingually and prelingually deafened adults for programming cochlear implants: ESR and NRT.

Marek Polak1, Annelle V Hodges, John E King

  • 1University of Miami Ear Institute, Florida 33136, USA. marek.polak@gawab.com

Cochlear Implants International
|September 16, 2008
PubMed
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Objective measures like neural response telemetry (NRT) and electrically evoked stapedial reflexes (eSR) correlate with cochlear implant programming levels. Different correction factors are needed for prelingually versus postlingually deafened adults.

Area of Science:

  • Audiology
  • Biomedical Engineering
  • Neuroscience

Background:

  • Cochlear implants (CIs) are crucial for hearing restoration in deafened adults.
  • Accurate programming of CI devices is essential for optimal patient outcomes.
  • Predicting optimal loudness levels objectively can improve CI fitting efficiency.

Purpose of the Study:

  • To compare the efficacy of neural response telemetry (NRT) and electrically evoked stapedial reflexes (eSR) in predicting cochlear implant programming levels.
  • To investigate the relationship between objective measures (NRT, eSR) and subjective loudness judgments (C levels, Ts) in adult CI users.
  • To determine if different correction factors are needed for prelingually versus postlingually deafened CI users.

Main Methods:

  • Thirty prelingually and postlingually deafened adult Nucleus 24 CI users participated.

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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique

Published on: September 7, 2022

Related Experiment Videos

Last Updated: Jul 1, 2026

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process
07:00

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process

Published on: June 21, 2024

Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
11:39

Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique

Published on: September 7, 2022

  • Standard behavioral loudness judgments (C levels, Ts) were performed.
  • Objective measures, NRT and eSR, were recorded and compared to behavioral data.

    • Main Results:

    • Both NRT and eSR showed high correlation with subjective C levels.
    • NRT results exhibited higher variability compared to eSR.
    • Postlingually deafened users were more sensitive to program differences and preferred eSR-estimated levels.

    Conclusions:

    • NRT and eSR are reliable objective measures for predicting CI programming levels.
    • Distinct correction factors for NRT and eSR are necessary for prelingually and postlingually deafened adults.
    • eSR may offer a more stable and preferred objective measure for CI programming in some adult populations.