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Unpredictable saccharin reinforcement enhances locomotor responding to amphetamine
Drug-naïve, non-deprived rats were trained to lever press for saccharin under fixed-ratio (FR) or variable-ratio (VR) schedules of reinforcement. Rats trained on the VR schedule in which saccharin reinforcement was not predicted by a fixed number of lever presses subsequently showed an enhanced loco...
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| Main Authors: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2011
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3216637/ https://ncbi.nlm.nih.gov/pubmed/21924296 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.bbr.2011.09.003 |
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