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Text
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<a href="http://doi.org/10.1016/0091-3057(91)90389-j" target="_blank" rel="noreferrer noopener">http://doi.org/10.1016/0091-3057(91)90389-j</a>
Pages
5–13
Issue
1
Volume
39
Dublin Core
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Title
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HAS and LAS rats respond differentially to behavioral effects of ethanol, pentobarbital, chlorpromazine and chlordiazepoxide.
Publisher
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Pharmacology, biochemistry, and behavior
Date
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1991
1991-05
Subject
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Male; Animals; Rats; Ethanol/*pharmacology; Behavior; Discrimination (Psychology)/drug effects; Motor Activity/drug effects; Sleep/drug effects; *Hypnotics and Sedatives; Chlordiazepoxide/*pharmacology; Chlorpromazine/*pharmacology; Pentobarbital/*pharmacology; Animal/*drug effects
Creator
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Krimmer E C
Description
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The drug discrimination paradigm (DD) was used to evaluate differences in performance of rats selectively bred for differential sensitivity to the hypnotic effects of ethanol. Tenth generation high-alcohol sensitive (HAS) and low-alcohol sensitive (LAS) rats were trained to discriminate between ethanol (1.0 g/kg, IP) and saline vehicle on a VR-5 schedule of reinforcement. The HAS strain was more sensitive to the discriminative effects of ethanol than the LAS strain, but the magnitude of difference was much smaller than the differential sleep-time differences. The biphasic action of ethanol was differentially seen when the LAS animals exhibited increased activity during both DD and spontaneous motor activity measures and the HAS exhibited decreased activity during DD only. Pentobarbital and chlordiazepoxide but not chlorpromazine elicited the ethanol discriminative choice in both HAS and LAS strains. Response rates during DD indicated a dissociation of rate depressant effects and discriminative performance following ethanol. These findings are discussed in relationship to some current and future uses of selectively bred animal strains and DD for studying the effects of alcohol.
Identifier
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<a href="http://doi.org/10.1016/0091-3057(91)90389-j" target="_blank" rel="noreferrer noopener">10.1016/0091-3057(91)90389-j</a>
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
*Hypnotics and Sedatives
1991
Animal/*drug effects
Animals
Behavior
Chlordiazepoxide/*pharmacology
Chlorpromazine/*pharmacology
Discrimination (Psychology)/drug effects
Ethanol/*pharmacology
Krimmer E C
Male
Motor Activity/drug effects
Pentobarbital/*pharmacology
Pharmacology, biochemistry, and behavior
Rats
Sleep/drug effects