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Related Experiment Video

Updated: Feb 17, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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Published on: March 24, 2023

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High-Frequency Hearing Performance With Reference to Musical Perception in Cochlear Implantees.

Ceren Karaçayli1,2, Hatice Kübra Bozkurt1,2, Bülent Satar3

  • 1Department of Audiology, University of Health Science Turkey, Gülhane Faculty of Health Science.

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|February 16, 2026
PubMed
Summary

Cochlear implants significantly improve high-frequency hearing. Better performance at 9 kHz is linked to enhanced lyric comprehension in cochlear implant (CI) users, highlighting the importance of high frequencies for music and speech perception.

Keywords:
CAP-IICochlear ImplantHigh-frequencyMusical perception

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Area of Science:

  • Audiology
  • Neuroscience
  • Biomedical Engineering

Background:

  • Cochlear implants (CIs) aim to restore hearing by bypassing damaged parts of the ear.
  • Assessing high-frequency hearing is crucial for understanding complex auditory perception, including music.
  • Lyric comprehension in CI users is an important measure of functional hearing outcomes.

Purpose of the Study:

  • To evaluate high-frequency hearing capabilities in cochlear implant users.
  • To determine the impact of high-frequency hearing on the ability to comprehend lyrics in music.
  • To correlate audiological measures with musical perception abilities.

Main Methods:

  • 18 cochlear implant users participated in the study.
  • High-frequency hearing thresholds were measured with CIs on and off.
  • Audiometric assessments included extended high-frequency audiometry and Categories of Auditory Performance-II (CAP-II).

Main Results:

  • Hearing thresholds at high frequencies significantly improved with CIs activated (P<0.001).
  • CI users understanding both melody and lyrics demonstrated better thresholds at 9 kHz (P=0.007) and higher CAP-II scores (P=0.013).
  • A moderate positive correlation was found between CAP-II scores and speech discrimination (ρ=0.629, P=0.003).

Conclusions:

  • Cochlear implants can extend auditory stimulation to higher frequencies.
  • Improved high-frequency hearing, especially at 9 kHz, is associated with better lyric comprehension in CI users.
  • Optimizing CIs for high-frequency signal processing may enhance music perception and speech intelligibility.