Oral feedback I. Variability of the effect of nerve-block anesthesia upon speech.

Number 145
Year 1973
Drawer 3
Entry Date 05/21/1998
Authors Borden, G. J., Harris, K. S., & Oliver, W.
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Publication Journal of Phonetics, 1, 289-295.
url http://www.haskins.yale.edu/Reprints/HL0145.pdf
Abstract The effects of bilateral mandibular nerve blocks on speech were judged by listeners and by transcribers. Seven adult male speakers repeated under normal and nerve-block conditions 66 sentences heavily weighted with consonant clusters known from pilot studies to be vulnerable to nerve-block distortion. Listener judgments of the speech revealed large magnitudes of S variance. Although all subjects reported loss of sensation, the effects on speech ranged from completely unaffected to markedly affected. Distortions were noted by narrow phonetic transcription in 23% of the data, most prominently in /s/ clusters.
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