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Hold-down as an alternative to unit dose in cocaine self-administration experiments: Characterization using a progressive ratio schedule
RATIONALE: Virtually all cocaine self-administration studies have used a “unit dose” as a reinforcing stimulus; the subject is a passive recipient of an experimenter-selected dose. OBJECTIVES: The present experiments examined the consequence of requiring the subject to actively determine the dose an...
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| Yayımlandı: | Psychopharmacology (Berl) |
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| Asıl Yazarlar: | , |
| Materyal Türü: | Artigo |
| Dil: | Inglês |
| Baskı/Yayın Bilgisi: |
2020
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| Konular: | |
| Online Erişim: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7502462/ https://ncbi.nlm.nih.gov/pubmed/32468100 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1007/s00213-020-05565-1 |
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