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Related Experiment Video

Updated: Apr 16, 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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[Tone recognition ability for post-lingually deafened cochlear implant users using pitch information].

Yuan Wang, Shuo Wang, Ruijuan Dong

    Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi = Journal of Clinical Otorhinolaryngology Head and Neck Surgery
    |March 18, 2015
    PubMed
    Summary

    Cochlear implant users showed moderate lexical tone perception, with Tone 4 easiest and Tone 2 hardest. Hearing aid use duration positively impacts tone recognition in postlingually deafened adults.

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    Area of Science:

    • Audiology
    • Speech and Hearing Science
    • Neuroscience

    Background:

    • Lexical tone perception is crucial for understanding tonal languages like Mandarin.
    • Cochlear implantation (CI) aims to restore hearing but pitch perception remains a challenge.
    • Assessing tone recognition in CI users is vital for optimizing communication rehabilitation.

    Purpose of the Study:

    • To evaluate lexical tone recognition in postlingually deafened adults with cochlear implants.
    • To investigate the impact of duration cues on tone perception using no-duration tone test materials.
    • To identify specific tones that are difficult to perceive for cochlear implant users.

    Main Methods:

    • Sixteen postlingual cochlear implant users (minimum 6 months device use) participated.
    • A four-alternative forced-choice task was used with 40 monosyllabic Mandarin tone tokens.
    • Stimuli were recorded by native male and female speakers, with precise duration control (within 5 ms).

    Main Results:

    • The average lexical tone perception score was 70.7 ± 22.0%.
    • Tone 4 was perceived most accurately; Tone 2 was the most difficult.
    • Tone 1 was often confused with Tone 2, Tone 2 with Tones 1 and 3, and Tone 3 with Tone 2.
    • Tone perception performance correlated positively with the duration of hearing aid use.

    Conclusions:

    • Duration cues are important for tone recognition in CI users, particularly for Tone 3.
    • Limited pitch perception in CI users leads to confusion between Tones 1/2 and 2/3 without duration cues.
    • Longer hearing aid use experience may enhance tone perception abilities in postlingual deafness CI recipients.