| Early ontogeny of vocal behavior of Japanese infants in response to maternal speech. | |
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MedLine Citation:
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PMID: 1446547 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Discriminant analysis was used to distinguish statistically between the comfort-state vocalizations uttered by Japanese infants following 5 different types of pitch contours of maternal speech. Ontogenetic changes of their vocal behaviors were investigated during the first 5 months of life. Structural variability in infant vocalizations across variants of maternal speech was found to be characterized by a set of quantifiable physical parameters. However, infant's age when a vocalization was recorded was not an important contributor. Successful attempts at cross-validation, in which the discriminant profiles derived from one sample of vocalizations were used to classify a second set of vocalizations, indicated that the result obtained was not an artifact of using the same data set to derive the profiles to test reclassification accuracy. Proportion of cross-validated vocalizations that were misclassified decreased as age increased. The results of the present study demonstrate that a statistically significant relation exists between acoustic features of maternal speech and those of following infant vocalizations, and that such a relation strengthens over age. |
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Authors:
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N Masataka |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Child development Volume: 63 ISSN: 0009-3920 ISO Abbreviation: Child Dev Publication Date: 1992 Oct |
Date Detail:
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Created Date: 1992-12-29 Completed Date: 1992-12-29 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0372725 Medline TA: Child Dev Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1177-85 Citation Subset: IM |
Affiliation:
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Department of Anthropology, Faculty of Science, University of Tokyo, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Female Humans Infant, Newborn Japan Male Maternal Behavior* Mother-Child Relations Speech Perception Verbal Behavior* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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