Functional magnetic resonance imaging (fMRI) has just completed 20 years of existence. It
currently serves as a research tool in a broad range of human brain studies in normal and …

… A growing body of evidence gives support to the observed rapid antidepressant effects of
ayahuasca (Palhano-Fontes et al., 2014). For instance, sigma-1 receptors (σ1R) have been …

The experiences induced by psychedelics share a wide variety of subjective features,
related to the complex changes in perception and cognition induced by this class of drugs. A …

… Author links open overlay panel José Carlos Bouso a b , Fernanda Palhano-Fontes c , Antoni
Rodríguez-Fornells d e f , Sidarta Ribeiro c , Rafael Sanches g , José Alexandre S. Crippa …

Serotonergic psychedelics are emerging as potential antidepressant therapeutic tools, as
suggested in a recent randomized controlled trial with ayahuasca for treatment-resistant …

Pranayama refers to a set of yoga breathing exercises. Recent evidence suggests that the
practice of pranayama has positive effects on measures of clinical stress and anxiety. This …

The entropic brain hypothesis holds that the key facts concerning psychedelics are partially
explained in terms of increased entropy of the brain’s functional connectivity. Ayahuasca is a …

Major depression is a highly prevalent mood disorder, affecting about 350 million people, and
around 30% of the patients are resistant to currently available antidepressant medications. …

Background: Ayahuasca is a traditional Amazon brew and its potential antidepressant properties
have recently been explored in scientific settings. We conducted a double-blind placebo…

Background For a century, psychedelics have been investigated as models of psychosis for
demonstrating phenomenological similarities with psychotic experiences and as therapeutic …