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A multiple-channel cochlear implant. Evaluation using speech tracking.

L F Martin, Y C Tong, G M Clark

    Archives of Otolaryngology (Chicago, Ill. : 1960)
    |March 1, 1981
    PubMed
    Summary
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    Cochlear implants significantly improved speech tracking for two deaf patients. Combining lipreading with cochlear implant technology enhanced speech comprehension and repetition abilities.

    Area of Science:

    • Audiology
    • Neuroscience
    • Biomedical Engineering

    Background:

    • Cochlear implants are advanced neuroprosthetic devices designed to restore a sense of sound.
    • Speech tracking assesses auditory comprehension and speech production in individuals with hearing impairments.
    • Evaluating the efficacy of cochlear implants in real-world connected speech scenarios is crucial.

    Purpose of the Study:

    • To investigate the impact of multiple-channel cochlear implants on speech tracking performance in totally deaf individuals.
    • To compare speech tracking abilities with lipreading alone versus combined lipreading and cochlear implant use.

    Main Methods:

    • Utilized a speech tracking procedure involving verbatim repetition of connected discourse.
    • Assessed performance by calculating tracking rates in words per minute.

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  • Compared outcomes under two conditions: lipreading alone and lipreading with a cochlear implant and speech processor.

    • Main Results:

    • One patient demonstrated a fourfold increase in tracking rate with the cochlear implant compared to lipreading alone.
    • The second patient showed a twofold increase in tracking rate with the cochlear implant.
    • Both patients exhibited enhanced speech tracking abilities when using the cochlear implant in conjunction with lipreading.

    Conclusions:

    • Multiple-channel cochlear implants can substantially improve speech tracking performance in totally deaf individuals.
    • The combination of lipreading and cochlear implant technology offers significant benefits for auditory comprehension and speech repetition.
    • These findings highlight the potential of cochlear implants to enhance communication abilities in profoundly deaf populations.