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Conditioned suppression by a stimulus associated with nalorphine in morphine-dependent monkeys
Three rhesus monkeys, physically dependent on morphine, were trained to press a lever for food on a fixed ratio of 10 responses. A tone, initially a neutral stimulus, was aperiodically presented every third or fourth session, 5 min before and after the intravenous injection of nalorphine, a morphine...
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| Main Authors: | , |
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| Format: | Artigo |
| Language: | Inglês |
| Published: |
1967
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| Subjects: | |
| Online Access: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1338276/ https://ncbi.nlm.nih.gov/pubmed/4964349 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1901/jeab.1967.10-235 |
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