| Temporal and social factors influencing behavioral and hormonal responses to separation in mother and infant squirrel monkeys. | |
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MedLine Citation:
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PMID: 8316617 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The behavioral and hormonal responses of mother and infant squirrel monkeys (Saimiri sciureus) were examined to assess temporal and environmental factors that influence the response to separation. In two experiments evaluating the effects of 1-, 3-, 6-, and 24-hr separations, it was found that signs of infant behavioral agitation decreased over time, whereas adrenocortical activation persisted or even increased. Moreover, two separation environments were shown to differentially affect behavioral and hormonal responses. Separated infants vocalized significantly more when their mothers were proximal than when isolated, but showed lower cortisol levels in the adjacent separation than in the total-isolation condition. These data indicate that the intensity of the infant's calling response cannot be used to predict internal state (as reflected by cortisol levels). Furthermore, vocalization rate is highly dependent upon contingent stimuli, such as the presence of maternal cues. Following separation, the mothers also showed elevated cortisol levels. However, both the magnitude and pattern of the response differed considerably from that of the infant. |
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Authors:
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S Levine; S G Wiener; C L Coe |
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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: Psychoneuroendocrinology Volume: 18 ISSN: 0306-4530 ISO Abbreviation: Psychoneuroendocrinology Publication Date: 1993 |
Date Detail:
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Created Date: 1993-07-28 Completed Date: 1993-07-28 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 7612148 Medline TA: Psychoneuroendocrinology Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 297-306 Citation Subset: IM |
Affiliation:
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Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, CA 94305-5095. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Animals, Newborn / physiology Arousal / physiology* Female Hydrocortisone / blood* Hypothalamo-Hypophyseal System / physiology Male Maternal Deprivation* Pituitary-Adrenal System / physiology Saimiri Social Environment* Social Isolation Time Factors Vocalization, Animal / physiology |
| Grant Support | |
ID/Acronym/Agency:
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NICH HD-02881/HD/NICHD NIH HHS; NIMH MH-23645/MH/NIMH NIH HHS; NIMH MH-47573/MH/NIMH 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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