Document Detail


Competition between lever-pressing behavior and thermoregulatory behavior on exposure to heat in intracranial self-stimulating rats.
MedLine Citation:
PMID:  3413235     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To investigate the relationship between the thermoregulatory system and the brain-reward system, we examined effects of heat exposure and tail amputation on lever-pressing behavior in intracranial self-stimulating rats. Rats that continuously pressed a lever voluntarily for 1 hour at an ambient temperature (Ta) of 22 degrees C interrupted lever pressing and showed heat loss behaviors, such as grooming and body extension, at a Ta of 36 degrees C. Hypothalamic temperature (Thy) at the time of the first body extension was higher than that after 1 hour of lever-pressing at a Ta of 22 degrees C. Tail amputation experiments showed the same result. Thy at the onset of the body extension after tail amputation was higher than that at the end of 1 hour of lever-pressing under control conditions. The data suggest that thermal factors, especially Thy, are important in the control of lever-pressing behavior.
Authors:
Y Ishikawa; H Tanaka; T Nakayama; K Kanosue
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Physiology & behavior     Volume:  42     ISSN:  0031-9384     ISO Abbreviation:  Physiol. Behav.     Publication Date:  1988  
Date Detail:
Created Date:  1988-10-12     Completed Date:  1988-10-12     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0151504     Medline TA:  Physiol Behav     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  599-603     Citation Subset:  IM    
Affiliation:
Department of Physiology, Osaka University Medical School, Japan.
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MeSH Terms
Descriptor/Qualifier:
Amputation
Animals
Behavior, Animal*
Body Temperature Regulation*
Hot Temperature
Learning
Male
Rats
Rats, Inbred Strains
Self Stimulation*
Tail

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


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