Isolation versus grouped housing in rats: Differential effects of low doses of heroin in the place preference paradigm

Nonparametric Statistics for the Behavioral Sciences

1958 • 36,277 citations

Nonparametric statistics for the behavioral sciences

1957 • 6,138 citations

Self-administration of psychoactive substances by the monkey

1969 • 807 citations

Reinforcing effects of morphine microinjection into the ventral tegmental area

1980 • 334 citations

Heroin reward is dependent on a dopaminergic substrate

1981 • 333 citations

The effect of housing and gender on morphine self-administration in rats

1978 • 327 citations

Aversive conditioning by psychoactive drugs: Effects of morphine, alcohol and chlordiazepoxide

1973 • 210 citations

Affective states associated with morphine injections

1976 • 184 citations

Chronic naloxone results in prolonged increases in opiate binding sites in brain

1978 • 169 citations

Intravenous self-administration of drugs in rats.

1978 • 165 citations

Morphine addiction in rats.

1957 • 154 citations

Opioids and rewarding brain stimulation

1978 • 139 citations

Enhanced analgesic effects of morphine after chronic administration of naloxone in the rat

1978 • 128 citations

Rewarding and aversive effects of morphine: Temporal and pharmacological properties

1980 • 119 citations

Preferences for morphine in rats: Validation of an experimental model of dependence

1970 • 110 citations

Morphine action in grouped and isolated rats and mice

1977 • 60 citations

Manipulations of catecholamine systems block the conditioned taste aversion induced by self-administered drugs

1977 • 56 citations

Isolation rearing decreases opiate receptor binding in rat brain

1982 • 54 citations

Intraventricular self-administration of morphine in naive laboratory rats

1976 • 54 citations

Dependence to morphine in differentially housed rats

1975 • 45 citations

Heroin and morphine: Aversive and analgesic effects in rats

1981 • 23 citations

A within-subject comparison of the effects of morphine on lateral hypothalamic and central gray self-stimulation

1981 • 12 citations