Dose-response curves were obtained for the effects of d-amphetamine sulphate (0.1-3.2 mg/kg) on the operant performance of rats in variable-interval 4-min and variableinterval 20-rain schedules of reinforcement. Response rates maintained under variable-interval 4-rain were suppressed in a dose-depen
The effect ofd-amphetamine on performance on two operant timing schedules
โ Scribed by T.-J. Chiang; A.S.A. Al-Ruwaitea; S. Mobini; M.-Y. Ho; C.M. Bradshaw; E. Szabadi
- Publisher
- Springer
- Year
- 2000
- Tongue
- English
- Weight
- 174 KB
- Volume
- 150
- Category
- Article
- ISSN
- 0033-3158
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The interaction between pimozide (a selective D2-dopamine receptor antagonist) and d-amphetamine on the operant performance of rats maintained under variable-interval schedules of positive reinforcement was examined. In Experiment 1, eight rats responded under variable-interval 30-s and variable-int