| Competition between lever-pressing behavior and thermoregulatory behavior on exposure to heat in intracranial self-stimulating rats. | |
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MedLine Citation:
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PMID: 3413235 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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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. |
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Authors:
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Y Ishikawa; H Tanaka; T Nakayama; K Kanosue |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Physiology & behavior Volume: 42 ISSN: 0031-9384 ISO Abbreviation: Physiol. Behav. Publication Date: 1988 |
Date Detail:
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Created Date: 1988-10-12 Completed Date: 1988-10-12 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 0151504 Medline TA: Physiol Behav Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 599-603 Citation Subset: IM |
Affiliation:
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Department of Physiology, Osaka University Medical School, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Amputation Animals Behavior, Animal* Body Temperature Regulation* Hot Temperature Learning Male Rats Rats, Inbred Strains Self Stimulation* Tail |
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