The effects of methadone on operant beha
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Thomas H. Kelly; Travis Thompson
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Article
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1985
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Springer
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English
β 517 KB
Effects of methadone on key pecking supplemented with brief stimuli either correlated with or independent of unconditioned reinforcement was investigated. On average, key pecks by pigeons produced brief stimuli (BS) once per minute and food once per 4 min during both components of a multiple schedul