The effect ofd-amphetamine on operant be
โ
M. J. Morley; C. M. Bradshaw; E. Szabadi
๐
Article
๐
1985
๐
Springer
๐
English
โ 514 KB
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