Coverging sources of evidence for dissecting articulatory movements into core gestures.

Number 721
Year 1990
Drawer 13
Entry Date 11/15/1999
Authors Boyce, S. E., Krakow, R. A., Bell-Berti, F., & Gelfer, C.
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Publication Journal of Phonetics, 18, 173-188.
url http://www.haskins.yale.edu/Reprints/HL0721.pdf
Abstract The literature on the temporal extent of anticipatory coarticulation has been characterized by conflicting findings supporting each of the major models of coarticulation. Here, articulatory data reported in several studies are surveyed that focus on coarticulation for lip-rounding & nasality. An attempt is made to show that many of the apparent contradictions in these data can be resolved by comparison between minimally contrastive contexts. In particular, evidence for "one-" & "two-stage" coarticulatory patterns is considered. It is argued that these patterns, & their apparent random distribution, can be accounted for in large part by evaluation of such contexts, & by of the effects of suprasegmental variables such as speaking rate. The conclusions are consistent with the coproduction view of coarticulation as a consequence of overlap between spatiotemporally stable, context-independent gestures.
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