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Updated: Apr 28, 2026
Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
Can unaided non-linguistic measures predict cochlear implant candidacy?
Hyun Joon Shim1, Jong Ho Won, Il Joon Moon
1*Department of Otorhinolaryngology, Eulji Medical Center, Eulji University School of Medicine, Seoul, Korea; †Department of Audiology and Speech Pathology, University of Tennessee Health Science Center, Knoxville, Tennessee, U.S.A.; ‡Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University, School of Medicine, Seoul, Korea; §Virginia Merrill Bloedel Hearing Research Center, Department of Otolaryngology-Head and Neck Surgery, University of Washington, Seattle, Washington, U.S.A.; ∥Envoy Medical Corporation, St. Paul, Minnesota, U.S.A.; and ¶Comparative Effectiveness, Cost and Outcomes Research Center, Department of Otolaryngology-Head and Neck Surgery, University of Washington, Seattle, Washington, U.S.A.
The spectral-ripple discrimination test, an unaided psychoacoustic measure, shows promise for evaluating cochlear implant (CI) candidacy. This non-linguistic approach correlates well with speech perception, aiding in CI candidacy decisions.
Area of Science:
- Audiology
- Neuroscience
- Biomedical Engineering
Background:
- Cochlear implant (CI) candidacy evaluation typically relies on speech perception tests.
- Unaided, non-linguistic psychoacoustic measures offer a potential alternative or complementary approach.
- Objective measures are needed to refine CI candidacy assessment.
Purpose of the Study:
- To assess the effectiveness of unaided, non-linguistic psychoacoustic measures in evaluating cochlear implant (CI) candidacy.
- To determine if spectral-ripple discrimination and temporal modulation detection can predict speech perception outcomes.
- To validate a psychoacoustic measure for CI candidacy using receiver operating characteristic (ROC) analysis.
Main Methods:
- A prospective split-cohort study was conducted with 15 subjects undergoing CI evaluation.
- Psychoacoustic tasks, including spectral-ripple discrimination and temporal modulation detection, were performed.
- Correlations between psychoacoustic performance and speech perception tests (aided and unaided) were analyzed using ROC curves.
Main Results:
- Spectral-ripple discrimination thresholds strongly correlated with both aided sentence recognition and unaided word recognition.
- Temporal modulation detection showed weaker relationships with speech perception measures.
- The unaided spectral-ripple discrimination test demonstrated good sensitivity, specificity, and predictive values for CI candidacy.
Conclusions:
- Unaided spectral-ripple discrimination is a promising, non-linguistic tool for evaluating cochlear implant (CI) candidacy.
- This psychoacoustic measure shows potential to complement or enhance current speech-based candidacy evaluations.
- Further validation may establish spectral-ripple discrimination as a standard in audiological assessments for CI.
