Effect of current level on electrode discrimination in electrical stimulation

Colette M. McKay, Anna O'Brien, Chris J. James

    Research output: Contribution to journalArticlepeer-review


    The effect of the stimulation intensity (current amplitude) on the ability to discriminate electrodes was tested in an experiment with four adult users of the Nucleus-22 cochlear implant. A total of 12 adjacent pairs of electrodes were used in the four-interval forced-choice discrimination task with random current variation. Tests were carried out at three average stimulation levels: 40 and 70% of the dynamic range and close to maximum comfortable loudness. Analysis of variance revealed a significant (P
    Original languageEnglish
    Pages (from-to)159-164
    Number of pages5
    JournalHearing Research
    Issue number1-2
    Publication statusPublished - Oct 1999


    • Cochlear implant
    • Current level
    • Electrical stimulation
    • Electrode discrimination


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