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ERIC Number: EJ1151518
Record Type: Journal
Publication Date: 2017-Sep
Pages: 26
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0305-0009
EISSN: N/A
Is Prosodic Production Driven by Lexical Development? Longitudinal Evidence from Babble and Words
De Clerck, Ilke; Pettinato, Michele; Verhoeven, Jo; Gillis, Steven
Journal of Child Language, v44 n5 p1248-1273 Sep 2017
This study investigated the relation between lexical development and the production of prosodic prominence in disyllabic babble and words. Monthly recordings from nine typically developing Belgian-Dutch-speaking infants were analyzed from the onset of babbling until a cumulative vocabulary of 200 words was reached. The differentiation between the two syllables of isolated disyllabic utterances was computed for f0, intensity, and duration measurements. Results showed that the ambient trochaic pattern emerged in babble, but became enhanced in words. Words showed more prosodic differentiation in terms of f0 and intensity and a more even duration ratio. Age or vocabulary size did not predict the expansion of f0 or intensity in words, whereas vocabulary size was related to the production of more even-timed syllables. The findings are discussed in terms of lexicalist accounts of phonetic development and a potential phonetic highlighting function of first words.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Belgium
Grant or Contract Numbers: N/A