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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1988-5-3
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pubmed:abstractText |
An experiment was performed to determine if the discriminative stimulus effects of morphine are modified by mild food deprivation, a condition that increases drug-reinforced behavior. Rats were trained to discriminate between SC injections of saline and morphine (3.0 mg/kg) in a discrete-trial shock-avoidance procedure. Stimulus generalization curves for morphine were then determined on three occasions by a cumulative-dosing procedure: before, during and after the body weight of the rats had been reduced to 86-87% of normal by restricted feeding. Food deprivation had little or no effect on the morphine generalization curve. Despite a close relationship between the reinforcing and discriminative stimulus properties of opioid drugs, stimulus control of behavior by morphine was not modified by a condition that enhances opioid-reinforced behavior.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jan
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pubmed:issn |
0091-3057
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
29
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
201-3
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:3353426-Animals,
pubmed-meshheading:3353426-Diet,
pubmed-meshheading:3353426-Discrimination (Psychology),
pubmed-meshheading:3353426-Discrimination Learning,
pubmed-meshheading:3353426-Generalization, Stimulus,
pubmed-meshheading:3353426-Male,
pubmed-meshheading:3353426-Morphine,
pubmed-meshheading:3353426-Rats
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pubmed:year |
1988
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pubmed:articleTitle |
Restricted feeding does not modify discriminative stimulus effects of morphine in the rat.
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pubmed:affiliation |
Department of Pharmacology, Emory University School of Medicine, Atlanta, GA 30322.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.
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