The coding of vowel identity by patients who use the Ineraid cochlear implant

Michael Dorman, L. Smith, M. Smith, J. Parkin

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    The aim of this experiment was to determine whether patients who use the Ineraid cochlear implant code formant frequency by means of the information in the time waveforms presented to the electrodes, or by the information in the distribution of energy among the electrodes. Six patients were presented three vowels for identification. The vowels were presented in two configurations. In one, the temporal cues and distribution of energy cues were both appropriate for a given vowel. In the other, the temporal information specified one vowel while the distribution of energy specified another vowel. The results of the identification task indicated that patients relied on information contained in the distribution of energy for vowel identification. These results can be interpreted as indicating that the Ineraid overcomes the limited spatial resolution afforded by four monopolar electrodes by using the balance of energy among electrodes to produce a continuous, rather than discrete, coding of cochlear place of stimulation.

    Original languageEnglish (US)
    Pages (from-to)3428-3431
    Number of pages4
    JournalJournal of the Acoustical Society of America
    Volume92
    Issue number6
    DOIs
    StatePublished - 1992

    Fingerprint

    vowels
    coding
    electrodes
    cues
    energy
    stimulation
    Energy
    Cochlear Implant
    waveforms
    spatial resolution
    configurations

    ASJC Scopus subject areas

    • Acoustics and Ultrasonics

    Cite this

    The coding of vowel identity by patients who use the Ineraid cochlear implant. / Dorman, Michael; Smith, L.; Smith, M.; Parkin, J.

    In: Journal of the Acoustical Society of America, Vol. 92, No. 6, 1992, p. 3428-3431.

    Research output: Contribution to journalArticle

    Dorman, Michael ; Smith, L. ; Smith, M. ; Parkin, J. / The coding of vowel identity by patients who use the Ineraid cochlear implant. In: Journal of the Acoustical Society of America. 1992 ; Vol. 92, No. 6. pp. 3428-3431.
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