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Variable-ratio schedules of timeout from avoidance: effects of d-amphetamine and morphine.
Rats were trained on concurrent schedules in which pressing one lever postponed shock and pressing the other lever produced periods of signaled timeout from avoidance on variable-ratio schedules. These procedures generated high rates of timeout-reinforced responding and provided a baseline for study...
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| 主要な著者: | , |
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| フォーマット: | Artigo |
| 言語: | Inglês |
| 出版事項: |
1991
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| 主題: | |
| オンライン･アクセス: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1323097/ https://ncbi.nlm.nih.gov/pubmed/1955812 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1901/jeab.1991.56-193 |
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