Abstract
The speech of a postlingually deafened girl previously implanted with a single electrode implant was spectrographically analyzed from recordings taken on six separate occasions; on three occasions after her single electrode implant failed (4 days post, 5 days post, 18 days post) and on three occasions after stimulation of the Nucleus multichannel implant (1 day post, 6 months post, 9 months post). Changes in acoustic measurements of vowel formants, vowel duration, voicing, manner of articulation, and place of articulation cues are discussed. Listener judgments of target words are presented. The present findings are related to previous case studies of speech changes with a multichannel cochlear implant [Tartter et al., J. Acoust. Soc. Am. 86, 2113–2121 (1989)] and single electrode stimulation [Leder et al., J. Acoust. Soc. Am. 79, 1967–1974 (1986)].
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