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Cocaine and food deprivation: effects on food-reinforced fixed-ratio performance in pigeons.
Key pecking by 6 pigeons was maintained by a fixed-ratio 30 schedule of food presentation while body weights were 80% of free-feeding weights. Acute administration of cocaine (0.3 to 13.0 mg/kg, i.m.) dose-dependently decreased response rates. Dose-effect curves were shifted to the right when 3 of t...
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| Autors principals: | , , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
1996
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1350068/ https://ncbi.nlm.nih.gov/pubmed/8583194 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1901/jeab.1996.65-145 |
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