Development of the Vowel Space in Children: Anatomical and Acoustic Aspects

Authored by: Megan M. Hodge

Handbook of Vowels and Vowel Disorders

Print publication date:  September  2012
Online publication date:  May  2013

Print ISBN: 9781848726123
eBook ISBN: 9780203103890
Adobe ISBN: 9781136246852

10.4324/9780203103890.ch1

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Abstract

Acquisition of the vowel system of the ambient language involves a dynamic interplay of the child’s developing auditory, cognitive, articulatory, and sensorimotor mapping capabilities and vocal experiences over a period when vocal tract anatomy is changing in size and configuration (Ménard, Schwartz, & Boë, 2004; Vorperian & Kent, 2007). Innate mechanisms have been proposed to explain how infants can accommodate changes in muscular and nonmuscular anatomy of the vocal tract to master vowel production during this period of anatomical, physiological, and perceptual development (Howard & Heselwood, 2002). Callan, Kent, Guenther, and Vorperian (2000) described an auditory feedback-based neural network model of speech production that was robust to developmental changes in the size and shape of the articulatory system for 11 English vowel targets. Their work illustrates the potential of modeling approaches to refine our hypotheses about these innate mechanisms and suggests that auditory feedback plays a critical role.

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