R. Spanagel and F. Weiss REVIEW The dopamine hypothesis of ...

havior, and suggests a common basis for withdrawal from many, if not all, classes of drugs of abuseg. Another hypothesis, proposed by Di Chiara h, attributes an important role to mesolimbic dopamine-mediated trans-mission in reward-related learning processes, and suggests that drug addiction is a dopamine-dependent associative-learning disorder. ................
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