Normal Vowel Development

Authored by: Patricia Donegan

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


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The acquisition of vowels by normally developing children is an area that has received increasing attention in the past decade, but the substitutions that characterize children’s speech remain largely undocumented. Looking at adult phonological substitutions 1 , we find that the range of normal substitutions is very wide, but clear. There is every reason to believe that we should find at least that same range in normal children. But existing descriptions of children’s speech show only a small sample of the systems and substitutions that could occur, and little effort has been made to determine whether children’s limitations and substitutions are coextensive with those of adult languages. 2

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