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Related Experiment Videos

Speech recognition experience with multichannel cochlear implants.

J L Parkin, D K Eddington, J L Orth

    Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
    |October 1, 1985
    PubMed
    Summary
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    Multichannel intracochlear implants show stable performance and low risk in patients. Speech recognition improved significantly, enabling return to verbal communication.

    Area of Science:

    • Otolaryngology
    • Biomedical Engineering
    • Neuroscience

    Background:

    • Early development of multichannel intracochlear implants (ICI) before 1978 at the University of Utah.
    • Advancements in sound coding and electronic miniaturization by 1983 led to portable sound processor/cochlear stimulator units.

    Observation:

    • Expanded clinical trials involved five additional patients by August 1984.
    • Data collected on earlier patients revealed stable electrode thresholds and impedance.
    • Low risk associated with the percutaneous pedestal was noted.

    Findings:

    • Speech recognition scores exceeded 60% with electrical stimulation alone and 90% with combined electrical stimulation and lipreading.
    • Recent recipients demonstrated early electrode threshold stability and lower apical electrode thresholds.

    Related Experiment Videos

  • Possibility of replacing single-channel with multichannel units and low implantation morbidity were observed.

    • Implications:

    • Successful return to function in a verbally communicating environment was achieved by an earlier patient.
    • Multichannel intracochlear implants offer significant potential for restoring hearing and communication.
    • Continued development and clinical trials are crucial for optimizing ICI technology.