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Title
Comparison of self-administration behavior and responsiveness to drug-paired cues in rats running an alley for intravenous heroin and cocaine.
Authors
Su, Zu-In; Wenzel, Jennifer; Baird, Rebeccah; Ettenberg, Aaron
Abstract
Evidence suggests that responsiveness to a drug-paired cue is predicted by the reinforcing magnitude of the drug during prior self-administration. It remains unclear, however, if this principle holds true when comparisons are made across drug reinforcers.