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Effects of d-amphetamine on observing behavior in the squirrel monkey
Four squirrel monkeys were trained to press a lever, which produced stimuli indicating availability or non-availability of reinforcement for pushing a key. Food reinforcements were available for the key response at random intervals with an average rate of 1 per min. When food was available, a single...
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| Format: | Artigo |
| Langue: | Inglês |
| Publié: |
1969
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| Accès en ligne: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1338708/ https://ncbi.nlm.nih.gov/pubmed/4982673 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1901/jeab.1969.12-977 |
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