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Fixed-interval responding under second-order schedules of food presentation or cocaine injection.
Squirrel monkeys operated a key under second-order schedules in which every tenth completion of a 5-minute fixed interval resulted in either presentation of food or intravenous injection of cocaine. When a 2-second light was presented at the completion of the component fixed-interval schedules, posi...
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| Main Authors: | , |
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| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
1977
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| Teme: | |
| Online dostop: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1333639/ https://ncbi.nlm.nih.gov/pubmed/411869 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1901/jeab.1977.28-221 |
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