Dose-dependent modulation of visual imagery by Ayahuasca and dampening of visual processing away from external input: a placebo-controlled pharmacoimaging study
Miguel Castelo-Branco, Anna Gaidosch, Marta Teixeira et al. preprint
Abstract Ayahuasca, an amazonian brew containing the serotonergic psychedelic substance N,N-dimethyltryptamine (DMT), induces distinctive visual perceptual phenomenology, yet the neural mechanisms underlying the interplay between external visual drive and internal imagery remain unknown. Using a placebo-controlled, within-subject fMRI design, the present study investigated the impact of...