| Postural and lateral asymmetries in the ontogeny of handedness during infancy. | |
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MedLine Citation:
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PMID: 3709979 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Ten newborn infants who preferred to lie with their heads turned rightward and ten who preferred to lie with their heads turned leftward had their hand-use preferences for reaching assessed at 8 different ages during the period 12-74 weeks postpartum. Eighteen infants maintained stable hand-use preferences throughout this period and the direction of their neonatal head orientation preference predicted the hand they preferred to use. The neonatal head-turn preference was maintained through the first 2 months and induced lateral asymmetries in visual regard and motor control of the hands. These lateral asymmetries are plausible contributors to mechanisms linking neonatal headturn preference to infant hand-use preference. Thus, the dextral bias in handedness may be derived, in part, from the rightward bias in neonatal head-turn preference. |
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Authors:
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G F Michel; D A Harkins |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Developmental psychobiology Volume: 19 ISSN: 0012-1630 ISO Abbreviation: Dev Psychobiol Publication Date: 1986 May |
Date Detail:
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Created Date: 1986-07-03 Completed Date: 1986-07-03 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0164074 Medline TA: Dev Psychobiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 247-58 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Child Development* Female Functional Laterality* Humans Infant Infant, Newborn Male Orientation Posture* Psychomotor Performance |
| Grant Support | |
ID/Acronym/Agency:
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1RO3 MH 37749/MH/NIMH NIH HHS; 1RO3 MH35528/MH/NIMH NIH HHS; 5F 32HD 05667/HD/NICHD NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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