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Food-paired stimuli as conditioned reinforcers: effects of d-amphetamine.
Seven pigeons were studied in two experiments in which key pecks were reinforced under a second-order schedule wherein satisfaction of variable-interval schedule requirements produced food or a brief stimulus. In the second part of each session, responses produced only the brief stimulus according t...
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| Autors principals: | , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
1991
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1323102/ https://ncbi.nlm.nih.gov/pubmed/1955817 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1901/jeab.1991.56-277 |
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