Words in puddles of sound: modelling psycholinguistic effects in speech segmentation

Monaghan, Padraic and Christiansen, Morten H. (2010) Words in puddles of sound: modelling psycholinguistic effects in speech segmentation. Journal of Child Language, 37 (3). pp. 545-564. ISSN 0305-0009

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There are numerous models of how speech segmentation may proceed in infants acquiring their first language. We present a framework for considering the relative merits and limitations of these various approaches. We then present a model of speech segmentation that aims to reveal important sources of information for speech segmentation, and to capture psycholinguistic constraints on children's language perception. The model constructs a lexicon based on information about utterance boundaries and deduces phonotactic constraints from the discovered lexicon. Compared to other models of speech segmentation, our model performs well in terms of accuracy, computational tractability and the number of components of the model. Finally, our model also reflects the psycholinguistic effects of language learning, in terms of the early advantage for segmentation provided by the child's name, and by revealing the overlap in usefulness of information for segmentation and for grammatical categorization of the language.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Child Language
Uncontrolled Keywords:
?? language-acquisitioncomputational modelchildrens languagediscoverycuesboundariesinfantspsychologylinguistics and languagelanguage and linguisticsgeneral psychologyexperimental and cognitive psychologydevelopmental and educational psychologypsychology(all) ??
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Deposited On:
23 Feb 2012 12:27
Last Modified:
16 Jul 2024 09:00