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Related Experiment Video

Updated: Jun 23, 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

BKB-SIN and ANL predict perceived communication ability in cochlear implant users.

Gail S Donaldson1, Theresa H Chisolm, Georgina P Blasco

  • 1Department of Communication Sciences and Disorders, University of South Florida, Tampa, FL, USA. gdonalds@cas.usf.edu

Ear and Hearing
|April 25, 2009
PubMed
Summary

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Cochlear implant (CI) users’ ability to hear in noise and their willingness to listen in noise both significantly impact their perceived communication success. These factors, speech recognition in noise and noise tolerance, are crucial for improving CI user experiences.

Area of Science:

  • Audiology
  • Speech and Hearing Sciences
  • Biomedical Engineering

Background:

  • Cochlear implant (CI) users often struggle with speech recognition in noisy environments.
  • Objective measures confirm CI users need better signal-to-noise ratios than normal-hearing (NH) listeners.
  • Noise tolerance, or willingness to listen in noise, may also affect perceived communication ability in CI users.

Purpose of the Study:

  • To evaluate how speech recognition in noise and noise tolerance predict perceived communication ability in adult CI users.
  • To determine the relationship between objective measures of auditory performance and subjective reports of communication difficulty.

Main Methods:

  • Twenty adult CI users completed objective tests: Bamford-Kowal-Bench Sentences in Noise (BKB-SIN) for speech recognition and Acceptable Noise Level (ANL) for noise tolerance.

Related Experiment Videos

Last Updated: Jun 23, 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

  • Participants also completed the Abbreviated Profile of Hearing Aid Benefit (APHAB) for self-reported communication difficulty.
  • BKB-SIN and ANL scores were compared between CI users and 23 NH listeners.

    • Main Results:

    • CI users performed significantly worse on the BKB-SIN test compared to NH listeners, but ANL scores were comparable.
    • BKB-SIN and ANL scores were not significantly correlated with each other.
    • Individually, BKB-SIN and ANL scores each explained over one-third of the variance in CI users' APHAB Global scores; together, they explained 72%.

    Conclusions:

    • Both speech recognition in noise and noise tolerance are strongly linked to how CI users perceive their communication abilities.
    • These measures appear to capture distinct aspects of communication experience, offering valuable clinical insights.
    • Establishing predictive criteria for BKB-SIN and ANL scores could help identify CI users needing further audiological rehabilitation.