Abstract
When individually housed rats are given, daily, a 1-h opportunity to drink a 10% solution of sucrose, they avidly take large amounts. When given naloxone, the prototypic antagonist of morphine-like effects, the intake of sucrose is attenuated. Doses as small as.065 mg/kg reliably, but slightly, reduce intake and doses greater than 1.0 mg/kg dramatically reduce intake.
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Wu, MF., Lind, M.D., Stapleton, J.M. et al. Dose-response relationship between naloxone injections and intake of sucrose solution. Bull. Psychon. Soc. 17, 101–103 (1981). https://doi.org/10.3758/BF03333679
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DOI: https://doi.org/10.3758/BF03333679