Choice between food and cocaine reinforcers under fixed and variable schedules in female and male rhesus monkeys
Autor: | C. Austin Zamarripa, William S. Doyle, Kevin B. Freeman, James K. Rowlett, Sally L. Huskinson |
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Rok vydání: | 2023 |
Předmět: | |
Zdroj: | Experimental and Clinical Psychopharmacology. 31:204-218 |
ISSN: | 1936-2293 1064-1297 |
DOI: | 10.1037/pha0000547 |
Popis: | Illicit drugs like cocaine may be uncertain in terms of the time and effort required to obtain them. Behavior maintained by variable schedules resembles excessive drug-taking compared with fixed schedules. However, no prior research has examined fixed versus variable schedules in drug versus nondrug choice. The present study evaluated cocaine versus food choice under fixed- (FR) and variable-ratio (VR) schedules. The simpler food versus food and cocaine versus cocaine arrangements also were included. Adult female ( |
Databáze: | OpenAIRE |
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