MDMA-Induced Dissociative State not Mediated by the 5-HT2A Receptor - Puxty, Drew J. (Maastricht University. Department of Neuropsychology and Psychopharmacology) ; Ramaekers, Johannes G. (Maastricht University. Department of Neuropsychology and Psychopharmacology) ; De La Torre, Rafael (Institut Hospital del Mar d'Investigacions Mèdiques) ; Farre, Magi (Institut Germans Trias i Pujol. Hospital Universitari Germans Trias i Pujol) ; Pizarro, Neus (Universitat Autònoma de Barcelona. Departament de Farmacologia, de Terapèutica i de Toxicologia) ; Pujadas, Mitona (Institut Hospital del Mar d'Investigacions Mèdiques) ; Kuypers, Kim P. C. (Maastricht University. Department of Neuropsychology and Psychopharmacology)