The alkaloids of Banisteriopsis caapi, the plant source of the Amazonian hallucinogen Ayahuasca, stimulate adult neurogenesis in vitro Jose A. Morales-García, Mario de la Fuente Revenga, Sandra Alonso-Gil, María Isabel Rodríguez-Franco, Amanda Feilding, Ana Perez-Castillo & Jordi Riba Scientific Reports, 2017, 7, 5309 www.nature.com/scientificreports https://www.nature.com/articles/s41598-017-05407-9 DOI:10.1038/s41598-017-05407-9   Abstract : Banisteriopsis caapi is the basic ingredient of ayahuasca, a psychotropic plant tea used in the Amazon for ritual and medicinal purposes, and by interested individuals worldwide. Animal studies and recent clinical research suggests that B. caapi preparations show antidepressant activity, a therapeutic effect that has been linked to hippocampal neurogenesis. Here we report that harmine, tetrahydroharmine and harmaline, the [...]