Opposite motivational effects of endogenous opioids in brain and periphery

Experimental Morphine Addiction: Method for Automatic Intravenous Injections in Unrestrained Rats

1962 • 638 citations

Drug reinforcement studied by the use of place conditioning in rat

1982 • 482 citations

Both Positive Reinforcement and Conditioned Aversion from Amphetamine and from Apomorphine in Rats

1976 • 307 citations

Reinforcing effects of brain microinjections of morphine revealed by conditioned place preference

1982 • 238 citations

Localization of opiate and histamine H1-receptors in the primate sensory ganglia and spinal cord

1982 • 128 citations

Temporal analysis of naloxone attenuation of morphine-induced taste aversion

1977 • 77 citations

Conditioned aversion by psychoactive drugs: Does it have significance for an understanding of drug dependence?

1975 • 62 citations

Excessive gastric retention by vagotomized rats and rabbits given a solid diet

1977 • 61 citations