Document Detail

Probabilistic constraint satisfaction at the lexical/phonetic interface: evidence for gradient effects of within-category VOT on lexical access.
MedLine Citation:
PMID:  12647564     Owner:  NLM     Status:  MEDLINE    
Research in speech perception has been dominated by a search for invariant properties of the signal that correlate with lexical and sublexical categories. We argue that this search for invariance has led researchers to ignore the perceptual consequences of systematic variation within such categories and that sensitivity to this variation may provide an important source of information for integrating information over time in speech perception. Data from a study manipulating VOT continua in words using an eye-movement paradigm indicate that lexical access shows graded sensitivity to within-category variation in VOT and that this sensitivity has a duration sufficient to be useful for information integration. These data support a model in which the perceptual system integrates information from multiple sources and from the surrounding temporal context using probabilistic cue-weighting mechanisms.
Bob McMurray; Michael K Tanenhaus; Richard N Aslin; Michael J Spivey
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of psycholinguistic research     Volume:  32     ISSN:  0090-6905     ISO Abbreviation:  J Psycholinguist Res     Publication Date:  2003 Jan 
Date Detail:
Created Date:  2003-03-21     Completed Date:  2003-06-18     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0333506     Medline TA:  J Psycholinguist Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  77-97     Citation Subset:  IM    
Department of Brain and Cognitive Sciences, University of Rochester, Rochester, NY 14627, USA.
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MeSH Terms
Eye Movements
Fixation, Ocular
Reaction Time
Recognition (Psychology)
Speech Perception
Grant Support

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