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Serial control of phonology in speech production : a hierarchical model

By Janet I. Vousden, G. D. A. (Gordon D. A.) Brown and Trevor A. Harley


A dynamic oscillator-bused model of the sequencing of phonemes in speech production (OSCAR) is described. An analysis of phoneme movement errors (anticipations, perseverations, and exchanges) from a large naturalistic speech error corpus provides a new set of data suitable for quantitative modeling and is used to derive a set of constraints that any speech-production model must address. The new computational model is shown to account for error type proportions, movement error distance gradients, the syllable-position effect, and phonological similarity effects. The model provides an alternative to frame-based accounts, serial buffer accounts, and associative chaining theories of serial order processing in speech. (C) 2000 Academic Press

Topics: BF, P1
Publisher: Academic Press
Year: 2000
DOI identifier: 10.1006/cogp.2000.0739
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