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Effects of cocaine on performance under fixed-interval schedules with a small tandem ratio requirement.
Daily administration of cocaine often results in the development of tolerance to its effects on responding maintained by fixed-ratio schedules. Such effects have been observed to be greater when the ratio value is small, whereas less or no tolerance has been observed at large ratio values. Similar s...
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Main Authors: | , |
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Formato: | Artigo |
Idioma: | Inglês |
Publicado em: |
2004
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Assuntos: | |
Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1285012/ https://ncbi.nlm.nih.gov/pubmed/15693524 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1901/jeab.2004.82-293 |
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