PT - JOURNAL ARTICLE AU - Koob, GF AU - Bloom, FE TI - Cellular and molecular mechanisms of drug dependence AID - 10.1126/science.2903550 DP - 1988 Nov 04 TA - Science PG - 715--723 VI - 242 IP - 4879 4099 - http://science.sciencemag.org/content/242/4879/715.short 4100 - http://science.sciencemag.org/content/242/4879/715.full SO - Science1988 Nov 04; 242 AB - The molecular and cellular actions of three classes of abused drugs--opiates, psychostimulants, and ethanol--are reviewed in the context of behavioral studies of drug dependence. The immediate effects of drugs are compared to those observed after long-term exposure. A neurobiological basis for drug dependence is proposed from the linkage between the cellular and behavioral effects of these drugs.