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July 2021

Serial control of phonology in speech production: A hierarchical model

Author(s): Brown, G. D. A., Harley, T. A.

Journal/Book: Cog Psychol. 2000; 41: 525 B St, Ste 1900, San Diego, CA 92101-4495, USA. Academic Press Inc. 101-175.

Abstract: 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.

Note: Review Vousden JI, Univ Warwick, Dept Psychol, Coventry CV4 7AL, W Midlands, ENGLAND

Keyword(s): speech production; speech errors; model; oscillators; SHORT-TERM-MEMORY; RHYTHMIC STRESS BEATS; SENTENCE PRODUCTION; LANGUAGE PRODUCTION; TIME PERCEPTION; LEXICAL ACCESS; YOUNG-CHILDREN; NETWORK MODEL; ERRORS; ORDER


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