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L’émergence du système phonologique chez l’enfant: l’apport de la modélisation articulatoire

Published online by Cambridge University Press:  27 June 2016

Lucie Ménard
Affiliation:
Université du Québec à Montréal
Louis-Jean Boë
Affiliation:
Université Stendhal, Grenoble

Abstract

The impact of anatomical transformations on the acquisition of sounds by infants remains poorly understood. Using the Variable Linear Articulator? Model, we simulate vowel production in the course of non-uniform vocal tract growth. Production abilities related to vocal tract growth are described by simulating French vowels, generated by assuming that sensori-motor control abilities are identical in newborns and adults. Despite small vocal tract size, an infant is able to produce all the vowels of its first language. The recurrence of certain units in the babbling inventory is attributable to motor control immaturity and cognitive abilities. Simulation of articulatory fibers provides a more accurate view of the relation between articulatory strategies and acoustic targets. The results highlight differences relative to labial and lingual articulators.

Résumé

Résumé

Les connaissances relatives à l’impact des transformations anatomiques sur l’acquisition des sons de la parole chez l’enfant sont encore parcellaires. Nous simulons la production des voyelles au cours de la croissance non uniforme du conduit vocal à l’aide d’un modèle articulatori-acoustique. Les capacités de production reliées à la croissance du conduit vocal sont décrites par le biais de simulations des voyelles du français, générées en supposant des capacités de contrôle sensori-moteur identiques chez le nouveau-né et l’adulte. Malgré la petite taille du conduit vocal, l’enfant serait en mesure de produire toutes les voyelles de sa langue maternelle. La récurrence de certaines unités dans l’inventaire du babillage est attribuable à l’immaturité du contrôle moteur et des capacités cognitives. La simulation des fibres articulatoires est l’occasion de préciser les relations entre stratégies articulatoires et cibles acoustiques. Les résultats mettent en lumière des différences relatives aux articulateurs labial et lingual.

Type
Articles
Copyright
Copyright © Canadian Linguistic Association 2004

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