What is the Multidisciplinary Association for Psychedelic Studies - MAPS? Psychedelic Drugs As Medicine: More questions answered by Dr. Julie Holland, Psychiatrist at VideoJug: Psychedelics. The Multidisciplinary Association for Psychedelic Studies (MAPS) is a U.S.-based non-profit organization that assists scientists to design, fund, obtain approval for and report on studies into the risks and benefits of psychedelic drugs (including MDMA, ibogaine and cannabis). MAPS' mission is to develop the