FIXED TEMPORAL PATTERNS IN CHILDREN'S SPEECH DESPITE VARIABLE VOWEL DURATIONS

The current study compared children's and adults' ability to produce inherent and context-specific vowel duration differences with their ability to repeatedly produce the same vowel in the same context. Children (5- and 8-year-olds) and adults produced real English words in a frame sentenc...

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Bibliographic Details
Published inProceedings of the ... International Congress of Phonetic Sciences. International Congress of Phonetic Sciences Vol. 2015
Main Authors Redford, Melissa A, Oh, Grace E
Format Journal Article
LanguageEnglish
Published Netherlands 01.08.2015
Subjects
temporal variability
vowel duration
speech acquisition
articulatory timing
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Summary:The current study compared children's and adults' ability to produce inherent and context-specific vowel duration differences with their ability to repeatedly produce the same vowel in the same context. Children (5- and 8-year-olds) and adults produced real English words in a frame sentence multiple times. Mean vowel duration and variability in vowel duration were analysed as a function of the manipulated factors. Results were that children produced exactly the same contrasts as adults despite also exhibiting more variability in their production of individual vowels. The results are consistent with a model where the 'plan' is remembered relative timing information and execution is the achievement of motor goals at specified temporal intervals.