| A comparative study of pre-meaningful vocalizations produced by normally developing and Down's syndrome infants. | |
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MedLine Citation:
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PMID: 6451768 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Pre-meaningful vocalizations produced by nine normally developing and 10 Down's syndrome infants were recorded as part of a longitudinal study of language development. The recordings were phonetically transcribed using a modified version of the International Phonetic Alphabet. Data were analyzed in terms of (1) age at onset of reduplicated babbling (2) developmental trends for place of consonant articulation, and (3) developmental aspects of vocalic productions. In general, substantial similarities between the two groups of infants were observed with regard to the selected parameters. Both groups began to produce canonical, reduplicated babbling at 8-8 1/2 months of age, and trends regarding consonantal and vocalic development for the two groups were very similar during approximately the first 15 months of life. |
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Authors:
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B L Smith; D K Oller |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: The Journal of speech and hearing disorders Volume: 46 ISSN: 0022-4677 ISO Abbreviation: J Speech Hear Disord Publication Date: 1981 Feb |
Date Detail:
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Created Date: 1981-05-13 Completed Date: 1981-05-13 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0376335 Medline TA: J Speech Hear Disord Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 46-51 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Age Factors Child Language Down Syndrome / physiopathology*, psychology Humans Infant Infant, Newborn Longitudinal Studies Phonation* Voice* Voice Quality |
| Grant Support | |
ID/Acronym/Agency:
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1-F22-HD-03286-01/HD/NICHD NIH HHS; HD09906-02/HD/NICHD NIH HHS; N01-HD-3-2793/HD/NICHD NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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