| Adrenocortical activity and the Brazelton Neonatal Assessment Scale: moderating effects of the newborn's biomedical status. | |
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MedLine Citation:
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PMID: 3691194 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The Brazelton Neonatal Behavioral Assessment Scale with Kansas Supplement (NBAS-K) was administered midway between feedings to 60 newborns who were between 32 and 122 hours old. 35 of the newborns were classified as extremely healthy and normal (Subgroup I), whereas 25 (Subgroup II) were characterized by slight perinatal problems including gestational age 36-37 weeks or 42+ weeks, and fetal distress during labor. All of the newborns were healthy enough to be cared for in a healthy newborn, Level I nursery. Immediately following administration of the NBAS-K, a blood sample was obtained for plasma cortisol determination. Correlations between behavioral responding on the NBAS-K and levels of plasma cortisol revealed few significant relations for the sample as a whole. When the 2 subgroups were examined separately, a number of significant relations emerged. Newborns in Subgroup I who were more competent in their motor control and state regulation capacities as assessed by Lester's Cluster Scores for the NBAS-K exhibited higher levels of plasma cortisol. In contrast, newborns in Subgroup II who exhibited a greater adrenocortical response to the examination showed more behaviors indicative of high behavioral arousal and distress. This pattern of relations for Subgroup II appeared to be mediated by the number of hours that had elapsed since delivery. As postpartum time increased, the strength of the association between adrenocortical activity and behavioral arousal/distress decreased for Subgroup II. A systems theory approach is used to interpret the difference in patterns of correlations found for the 2 subgroups. |
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Authors:
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M R Gunnar; J Isensee; L S Fust |
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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: Child development Volume: 58 ISSN: 0009-3920 ISO Abbreviation: Child Dev Publication Date: 1987 Dec |
Date Detail:
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Created Date: 1988-02-17 Completed Date: 1988-02-17 Revised Date: 2007-11-14 |
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: 1448-58 Citation Subset: IM |
Affiliation:
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Institute of Child Development, University of Minnesota, Minneapolis 55455. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Arousal
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physiology* Child Development* Female Habituation, Psychophysiologic / physiology Humans Hydrocortisone / blood* Infant, Newborn / blood* Male Neuropsychological Tests* Psychophysiology |
| Grant Support | |
ID/Acronym/Agency:
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HD-16494/HD/NICHD NIH HHS |
| Chemical | |
Reg. No./Substance:
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50-23-7/Hydrocortisone |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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