PMID: 6113619Jan 1, 1981Paper

Role of training conditions in discrimination of central nervous system stimulants by rats

Psychopharmacology
I P Stolerman, G D D'Mello

Abstract

Amphetamine and some relate compounds were compared in rats trained to discriminate (+)-amphetamine (0.4, 1.0 or 1.6 mg/kg) or cocaine (10.0 mg/kg) from the non drug condition in a standard, two-bar procedure with food reinforcement (n=5-6). Amphetamine and cocaine were generalized completely with each other, in most cases at dose levels which did not greatly reduce the overall numbers of responses. The ED50 values for amphetamine and cocaine varied with the drug and dose used for training, and it was concluded that the stimuli produced by the two drugs were similar but may not be identical. There was an excellent correlation between ED50 values derived from indices of bar selection and percentage-responding on the drug-appropriate bar. Apomorphine was generalized with amphetamine only in the rats trained with the higher doses of amphetamine, and only when administered in doses which greatly reduced the overall number of responses. Para-hydroxyamphetamine increased responding on the drug-appropriate bar only when administered in high doses to the rats trained with the lowest dose of amphetamine (0.4 mg/kg). The results strengthen the evidence that the particular drug and dose level used for training can significantly affect the...Continue Reading

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Citations

Jan 1, 1985·Psychopharmacology·H S GarchaI P Stolerman
Jan 1, 1989·Psychopharmacology·F Woudenberg, J L Slangen
Jan 1, 1987·Psychopharmacology·A H Tang, S R Franklin
Jul 1, 1996·Psychopharmacology·K A PerkinsR L Stiller
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Aug 1, 1984·Pharmacology, Biochemistry, and Behavior·M D Schechter
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Jun 1, 1986·Pharmacology, Biochemistry, and Behavior·M D Schechter
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Oct 1, 1987·Pharmacology, Biochemistry, and Behavior·J W Boja, M D Schechter
Nov 1, 1987·Pharmacology, Biochemistry, and Behavior·D M WoodM W Emmett-Oglesby
May 1, 1987·Pharmacology, Biochemistry, and Behavior·M D Schechter

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