Memory performance in polyvalent MDMA (ecstasy) users who continue or discontinue MDMA use

Our data do not support, but they also do not rule out memory decline following use of the serotonergic neurotoxin MDMA. In light of the popularity of ecstasy among young people, further investigations are needed. In our view, research strategies should now move to prospective designs in order to shed more light on the course of possible adverse cognitive effects of ecstasy use.