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Effects of intravenous self-administration of D-amphetamine, cocaine, and heroin and oral self-administration of alcohol on extracellular dopamine levels in the nucleus accumbens using in vivo microdialysis
| Drug | % Increase in Dopamine over Baseline | Reference |
|---|---|---|
| D-Amphetamine | 700% | Di Ciano et al (1995) |
| Cocaine | 200–500% | Di Ciano et al (1995); Weiss et al (1992a) |
| Alcohol | 25–50% | Weiss et al (1992b, 1996) |
| Heroin | <20% | Hemby et al (1995) |
