Memory impairment in abstinent MDMA ("Ecstasy") users
Neurology December 1, 1998 Karen I. Bolla, Una D. Mccann, George A. Ricaurte 376 citations
People who have stopped using MDMA show deficits in both verbal and visual memory. The severity of these memory problems is linked to how much MDMA they used in the past and to lower levels of serotonin activity in the brain, measured by a serotonin metabolite in spinal fluid.