Clustering and Bracketing Approaches to Speech Segmentation

Giroux, Ibrahima; Rey, Arnaud

doi:10.1037/e527312012-384

PsycEXTRA Dataset 2008

DOI: 10.1037/e527312012-384

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Clustering and Bracketing Approaches to Speech Segmentation

Ibrahima Giroux¹,

Arnaud Rey²

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2009

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“…However, the present data do not provide any test concerning the emergence of these trisyllabic words. In a recent experiment in which participants were tested on trisyllabic words and on disyllabic sublexical units, we again observed no difference after 2 min between these two types of items and an advantage of words over sublexical units after 10 min, replicating and extending the present results (Giroux and Rey, unpublished data).…”

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Lexical and Sublexical Units in Speech Perception

Giroux

Rey²

2009

Cognitive Science

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119

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Saffran, Newport, and Aslin (1996a) found that human infants are sensitive to statistical regularities corresponding to lexical units when hearing an artificial spoken language. Two sorts of segmentation strategies have been proposed to account for this early word-segmentation ability: bracketing strategies, in which infants are assumed to insert boundaries into continuous speech, and clustering strategies, in which infants are assumed to group certain speech sequences together into units (Swingley, 2005). In the present study, we test the predictions of two computational models instantiating each of these strategies i.e., Serial Recurrent Networks: Elman, 1990; and Parser: Perruchet & Vinter, 1998 in an experiment where we compare the lexical and sublexical recognition performance of adults after hearing 2 or 10 min of an artificial spoken language. The results are consistent with Parser's predictions and the clustering approach, showing that performance on words is better than performance on part-words only after 10 min. This result suggests that word segmentation abilities are not merely due to stronger associations between sublexical units but to the emergence of stronger lexical representations during the development of speech perception processes.

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confidence: 89%

Lexical and Sublexical Units in Speech Perception

Giroux

Rey²

2009

Cognitive Science

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119

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Clustering and Bracketing Approaches to Speech Segmentation

Cited by 1 publication

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Lexical and Sublexical Units in Speech Perception

Lexical and Sublexical Units in Speech Perception

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