Assessing the psychedelic “after-glow” in ayahuasca users: post-acute neurometabolic and functional connectivity changes are associated with enhanced mindfulness capacities. Ayahuasca post-acute effects Regular Research Article Frederic Sampedro, Mario de la Fuente Revenga, Marta Valle, Natalia Roberto, Elisabet Domínguez-Clavé, Matilde Elices, Luís Eduardo Luna, José Alexandre S. Crippa, Jaime E. C. Hallak, Draulio B. de Araujo, Pablo Friedlander, Steven A. Barker, Enrique Álvarez, Joaquim Soler, Juan C. Pascual, Amanda Feilding and Jordi Riba © The Author 2017. Published by Oxford University Press on behalf of CINP. The International Journal of Neuropsychopharmacology, 2017, 20, 9 DOI : 10.1093/ijnp/pyx036 Significance Statement Psychedelics are intriguing drugs that induce transient but intense [...]
Lire la suiteDark Classics in chemical Neuroscience : Lysergic Acid Diethylamide (LSD), David E. Nichols, ACS Chemical Neuroscience, 2018, 9, 10, 2331-2334. doi: 10.1021/acschemneuro.8b00043. Abstract : LSD is one of the most potent psychoactive agents known, producing dramatic alterations of consciousness after submilligram (≥20 g) oral doses. Following the accidental discovery of its potent psychoactive effects in 1943, it was supplied by Sandoz Laboratories as an experimental drug that might be useful as an adjunct for psychotherapy, or to give psychiatrists insight into the mental processes in their patients. The finding of serotonin in the mammalian brain in 1953, and its structural resemblance to LSD, quickly led [...]
Lire la suiteAntidepressant Effects of a Single Dose of Ayahuasca in Patients With Recurrent Depression: A SPECT Study. Rafael F. Sanchez, F. de Lima Osorio, R.G. Dos Santos, L.R. Macedo, J.P. Maia-de-Oliveira, L. Wichert-Ana, D.B. de Araujo, J. Riba, J.A. Crippa, J.E. Hallak Journal of Clinical Psychopharmacology, 2016, 36, 1, 77-81. doi: 10.1097/JCP.0000000000000436. PMID : 26650973 Abstract Ayahuasca is an Amazonian botanical hallucinogenic brew which contains dimethyltryptamine, a 5-HT2A receptor agonist, and harmine, a monoamine-oxidase A inhibitor. Our group recently reported that ayahuasca administration was associated with fast-acting antidepressive effects in 6 depressive patients. The objective of the present work was to assess the antidepressive potentials of [...]
Lire la suite