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
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