Document Detail


Thermoregulatory competence and behavioral expression in the young of altricial species--revisited.
MedLine Citation:
PMID:  9742406     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The behavioral and physiological thermoregulatory capabilities of newborn and infant mammals have been studied for over half a century. Psychobiologists have noted that the infants of altricial species (e.g., rats) have physical and physiological limitations such that heat loss overwhelms heat production, thus forcing a reliance on behavioral thermoregulation for the maintenance of body temperature. Recent evidence, however, suggests that a modification of this view is justified. Specifically, throughout a range of moderately cold air temperatures, nonshivering thermogenesis by brown adipose tissue contributes significantly to the infant rat's behavioral and physiological adaptations to cold challenge. Given the prominent use of altricial species for the study of infant behavior, increased understanding of the infant's physiological responses to cold and the effect of thermal factors on behavior is warranted.
Authors:
M S Blumberg; G Sokoloff
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.; Review    
Journal Detail:
Title:  Developmental psychobiology     Volume:  33     ISSN:  0012-1630     ISO Abbreviation:  Dev Psychobiol     Publication Date:  1998 Sep 
Date Detail:
Created Date:  1999-03-08     Completed Date:  1999-03-08     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0164074     Medline TA:  Dev Psychobiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  107-23     Citation Subset:  IM    
Affiliation:
Department of Psychology, University of Iowa, Iowa City 52242, USA.
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MeSH Terms
Descriptor/Qualifier:
Adaptation, Physiological / physiology
Adipose Tissue, Brown / physiology
Animals
Animals, Newborn* / classification,  physiology,  psychology
Behavior, Animal / physiology*
Body Temperature Regulation / physiology*
Cold Temperature / adverse effects
Mammals* / classification,  physiology,  psychology
Psychology, Comparative / methods,  standards
Rats / physiology,  psychology
Grant Support
ID/Acronym/Agency:
MH 50701/MH/NIMH NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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