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 suiteFour Weekly Ayahuasca Sessions Lead to Increases in “Acceptance” Capacities : A Comparison Study With a Standard 8-Week Mindfulness Training Program Joaquim Soler, Matilde Elices, Elisabeth Dominguez-Clavé, Juan C. Pascual, Amanda Feilding, Mayte Navarro-Gil, Javier García-Campayo and Jordi Riba Frontiers in Pharmacology, 2018, 9, 224. doi: 10.3389/fphar.2018.00224 Background : The therapeutic effects of the Amazonian plant tea ayahuasca may relate to its ability to enhance mindfulness capacities. Ayahuasca induces a modified state of awareness through the combined action of its active principles: the psychedelic N,N-dimethyltryptamine (DMT) and a series of centrally acting b-carbolines, mainly harmine and tetrahydroharmine. To better understand the therapeutic potential of [...]
Lire la suiteRapid antidepressant effects of the psychedelic ayahuasca in treatment-resistant depression : a randomized placebo-controlled trial Fernanda Palhano-Fontes, Dayanna Barreto, Heloisa Onias, Katia C. Andrade, Morgana M. Novaes, Jessica A. Pessoa, Sergio A. Mota-Rolim, Flávia L. Osório, Rafael Sanches, Rafael G. dos Santos, Luís Fernando Tófoli, Gabriela de Oliveira Silveira, Mauricio Yonamine7, Jordi Riba, Francisco R. Santos, Antonio A. Silva-Junior, João C. Alchieri10, Nicole L. Galvão-Coelho5,11, Bruno Lobão-Soares5,12, Jaime E. C. Hallak, Emerson Arcoverde, João P. Maia-de-Oliveira and Dráulio B. Araújo Psychological Medicine, June 2018, 1-9 https://www.cambridge.org/core doi.org/10.1017/S0033291718001356 Abstract Background. Recent open-label trials show that psychedelics, such as ayahuasca, hold promise as fast-onset antidepressants in treatment-resistant depression. Methods. [...]
Lire la suiteThe 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 [...]
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 suiteBIBLIOGRAPHIE : Ayahuasca Neurophysiologie, Pharmacologie, Thérapeutique et Chamanisme Dr Christian Sueur, GRECC, janvier 2020 22 pages 1 - Ayahuasca : généralités : 1 - 5 2 - Neurophysiologie de l’ayahuasca : 6 -8 3 - Pharmacologie de l’ayahuasca : 9 4 - Ayahuasca et Thérapeutique : 12 - 17 5 - Ayahuasca, spiritualité et Chamanisme :18 - 23
Lire la suiteCeremonial ‘Plant Medicine’ use and its relationship to recreational drug use : an exploratory study Caroline Dorsen, Joseph Palamar and Michele G. Shedlin Addiction Research & Theory, 2018 https://doi.org/10.1080/16066359.2018.1455187 ABSTRACT Background : The ceremonial use of psychoactive/hallucinogenic plant based drugs, such as ayahuasca, psilocybin and others, is a growing trend in the United States (US) and globally. To date, there has been little research documenting how many people are using psychoactive substances in this context, who the users are, what benefits/risks exist in the use of these drugs and the relationship between ceremonial drug use and recreational drug use. In this paper we describe a [...]
Lire la suiteCultural Neurophenomenology of Psychedelic Thought: Guiding the “Unconstrained” Mind Through Ritual Context Michael LIFSHITZ, Eli SHEINER, and Laurence J. KIRMAYER The Oxford Handbook of Spontaneous Thought : Mind-Wandering, Creativity, and Dreaming Edited by Kalina Christoff and Kieran C.R. Fox, avril 2018 Abstract : This chapter explores psychedelics as catalysts of spontaneous thought. Classic serotonergic psychedelics such as psilocybin, LSD, and ayahuasca can induce potent alterations in cognition and perception. The chapter reviews research on these substances through the lens of cultural neurophenomenology, which aims to trace how neurobiology and sociocultural factors interact to shape experience. After a decades-long hiatus, the scientific study of psychedelics is rediscovering [...]
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