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Eduardo Schenberg

Eduardo Schenberg
Instituto Phaneros

PhD

About

18
Publications
26,014
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878
Citations
Additional affiliations
January 2003 - July 2005
Universidade Federal de São Paulo
Position
  • Master's Student

Publications

Publications (18)
Article
Full-text available
After decades of biomedical research on ayahuasca's molecular compounds and their physiological effects, recent clinical trials show evidence of therapeutic potential for depression. However, indigenous peoples have been using ayahuasca therapeutically for a very long time, and thus we question the epistemic authority attributed to scientific studi...
Article
Full-text available
Since a 1957 exposé in Life Magazine, chemical compounds derived from Psilocybe mushrooms have been the focus of dozens of attempted and successful patents, most recently to treat depression. Regrettably, the Mazatec indigenous communities who stewarded these traditional medicines for millenia are not party to any of these patents, despite a number...
Article
Full-text available
Objective: To conduct Brazil’s first clinical trial employing 3,4-methylenedioxymethamphetamine (MDMA)-assisted psychotherapy for post-traumatic stress disorder (PTSD), given its high prevalence resulting from epidemic violence. Methods: Of 60 volunteers, four matched the inclusion & exclusion criteria. Three patients with PTSD secondary to sexual...
Article
Full-text available
Mental disorders are rising while development of novel psychiatric medications is declining. This stall in innovation has also been linked with intense debates on the current diagnostics and explanations for mental disorders, together constituting a paradigmatic crisis. A radical innovation is psychedelic-assisted psychotherapy (PAP): professionall...
Article
Full-text available
Background The States of Consciousness Questionnaire (SOCQ) was developed to assess the occurrence features of the change in consciousness induced by psilocybin, and includes the Mystical Experience Questionnaire (MEQ), developed to assess the ocurrence of mystical experiences in altered states of consciousness. Objective To translate the SOCQ to...
Article
Full-text available
Background: Substance use disorders are important contributors to the global burden of disease, but current treatments are not associated with high rates of recovery. The lack of approved and effective treatments is acutely problematic for psychostimulants like cocaine and crack cocaine. One promising alternative in the treatment of drug dependence...
Article
Full-text available
Lysergic acid diethylamide (LSD) is the prototypical psychedelic drug, but its effects on the human brain have never been studied before with modern neuroimaging. Here, three complementary neuroimaging techniques: arterial spin labeling (ASL), blood oxygen level-dependent (BOLD) measures, and magnetoencephalography (MEG), implemented during resting...
Article
Full-text available
Ritual use of ayahuasca, an amazonian Amerindian medicine turned sacrament in syncretic religions in Brazil, is rapidly growing around the world. Because of this internationalization, a comprehensive understanding of the pharmacological mechanisms of action of the brew and the neural correlates of the modified states of consciousness it induces is...
Article
Full-text available
The movie Lucy explores the idea that we use only 10% of our brains which, according to an editorial in Nature Neuroscience, is wrong. However, we may reframe the myth to reveal the underlying meaning: it is not about using just 10% of the brain, but about perceiving only a very small fraction of what the brain is doing. If we will, we can stop our...
Article
Full-text available
Ibogaine is an alkaloid purported to be an effective drug dependence treatment. However, its efficacy has been hard to evaluate, partly because it is illegal in some countries. In such places, treatments are conducted in underground settings where fatalities have occurred. In Brazil ibogaine is unregulated and a combined approach of psychotherapy a...
Article
Full-text available
Objectives: Comprehensively review the evidence regarding the use of ayahuasca, an Amerindian medicine traditionally used to treat many different illnesses and diseases, to treat some types of cancer. Methods: An in-depth review of the literature was conducted using PubMed, books, institutional magazines, conferences and online texts in nonprofess...
Article
NMDA receptor antagonist D-AP5 was injected into the dorsal hippocampus of Wistar rats before or immediately after the training session in fear conditioning. Training was conducted both with signaled (background context) or unsignaled (foreground context) footshocks. Contextual fear conditioning was assessed 24 h later and tone fear conditioning 48...
Article
While considerable evidence implicates NMDA receptors in the hippocampus in contextual fear conditioning, the role of other brain regions is less well understood. To further investigate this issue, rats were subjected to a contextual fear conditioning task and then classified as high or low responders according to performance. Density of NMDA recep...
Article
Fear conditioning is one of the most studied paradigms to assess the neural basis of emotional memory. The circuitry involves NMDA receptor activation in the amygdala and, in the case of contextual conditioning, in the hippocampus. Entorhinal cortex is one of the major input/output structures to the hippocampus and also projects to the amygdala, bo...

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