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Dramatic increase in lever-pressing activity in rats after training on the progressive ratio schedule of cocaine self-administration
Transition from the highest rate of lever-pressing activity during the unloading (extinction) phase of a cocaine self-administration session to an extremely low activity rate during the remission phase is in many cases gradual. This makes it difficult to assess the duration of the unloading phase af...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Nature Publishing Group UK
2021
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8490463/ https://www.ncbi.nlm.nih.gov/pubmed/34608176 http://dx.doi.org/10.1038/s41598-021-98313-0 |