UNSPECIFIED. (1997) Bootstrapping word boundaries: A bottom-up corpus-based approach to speech segmentation. COGNITIVE PSYCHOLOGY, 33 (2). pp. 111-153. ISSN 0010-0285

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Abstract

Speech is continuous, and isolating meaningful chunks for lexical access is a nontrivial problem. In this paper we use neural network models and more conventional statistics to study the use of sequential phonological probabilities in the segmentation of an idealized phonological transcription of the London-Lund Corpus; these speech data are representative of genuine conversational English. We demonstrate, first, that the distribution of phonetic segments in English is an important cue to segmentation, and, second, that the distributional information is such that it might allow the infant, beginning with only a sensitivity to the statistics of subsegmental primitives, to bootstrap into a series of increasingly sophisticated segmentation competences, ending with an adult competence. We discuss the relation between the behavior of the models and existing psycholinguistic studies of speech segmentation. In particular, we confirm the utility of the Metrical Segmentation Strategy (Cutler & Norris, 1988) and demonstrate a route by which this utility might be recognized by the infant, without requiring the prior specification of categories like ''syllable'' or ''strong syllable.'' (C) 1997 Academic Press.

Item Type:	Journal Article
Subjects:	B Philosophy. Psychology. Religion > BF Psychology
Journal or Publication Title:	COGNITIVE PSYCHOLOGY
Publisher:	ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS
ISSN:	0010-0285
Date:	July 1997
Volume:	33
Number:	2
Number of Pages:	43
Page Range:	pp. 111-153
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/17566

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