Acute neuropsychological effects of MDMA and ethanol (co-)administration in healthy volunteers Psychopharmacology February 28, 2008 Glenn Dumont, E. Wezenberg, M. M. G. J. Valkenberg et al. 50 citations Co-administration of MDMA and ethanol did not exacerbate the effects of either drug alone. Although the impairment of performance by all drug conditions was relatively moderate, all induced significant impairment of cognitive function. DOI: 10.1007/s00213-007-1056-9 (opens in new tab) Full text (opens in new tab) MDMA Ecstasy Hallucinogen Psychomotor learning +8