Cognitive performance in recreational users of MDMA or 'ecstasy': evidence for memory deficits
Journal of Psychopharmacology 1998 A. C. Parrott, A. J. Lees, N. J. Garnham et al. 226 citations
Cognitive task performance was assessed in three groups of young people: 10 regular users of 3,4- methylenedioxymethamphetamine (MDMA) who had taken 'ecstasy' 10 times or more; 10 novice MDMA users who had taken 'ecstasy' one to nine times; and 10 control subjects who had never taken MDMA. A computerized battery of cognitive tasks (Cognitive Drug Research system) was undertaken on a day when...