Role of the endocannabinoid system in MDMA intracerebral self‐administration in rats

Abstract

Icv self‐administration of MDMA (0.01–2 μg per infusion), alone and in combination with CP 55,940 (0.4 μg infusion− 1), was studied on an operant responding procedure. On the basis of individual preference for one of two levers, developed during training, rats were allowed …