Document Detail

Spontaneous and centrally induced behaviors in normal and thalamic opossums.
MedLine Citation:
PMID:  965535     Owner:  NLM     Status:  MEDLINE    
Electrical stimulation of localized areas of the opossum medulla and cerebellum induced goal-oriented eating and grooming behaviors of stereotyped gagging. Following radical telencephalic lesions, these animals showed considerable behavioral capacity and in many cases continued to demonstrate centrally induced responses. Animals with lesions, however, failed to groom or show active food-seeking behavior, and they showed poor thermoregulation in the heat, presumably because of the loss of thermoregulatory grooming. These deficits following removal of the telencephalon appear to have resulted from disruption of important sources of control over behaviors rather than from loss of basic consummatory response mechanisms, since grooming and eating, while less directed, could still be elicited by central stimulation. These results support the view that the lower brain stem may contain intrinsic neural circuits for the integration of complex behaviors.
D Buchholz
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of comparative and physiological psychology     Volume:  90     ISSN:  0021-9940     ISO Abbreviation:  J Comp Physiol Psychol     Publication Date:  1976 Sep 
Date Detail:
Created Date:  1976-12-01     Completed Date:  1976-12-01     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0414612     Medline TA:  J Comp Physiol Psychol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  898-908     Citation Subset:  IM    
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MeSH Terms
Agonistic Behavior / physiology
Behavior, Animal / physiology*
Body Temperature Regulation
Cerebellum / physiology
Differential Threshold
Electric Stimulation
Feeding Behavior / physiology
Medulla Oblongata / physiology
Motor Activity / physiology
Opossums / physiology*
Sleep / physiology
Stress, Physiological
Tegmentum Mesencephali / physiology
Telencephalon / physiology
Thalamus / physiology*

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

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