Isabel Wießner received her BSc in Psychology from the University of Konstanz, where she investigated the effects of deep relaxation and sleep on memory and MEG brain activity. During her MSc on Cognitive Psychology and Cognitive Neuroscience at the University of Jena, Germany, she examined the effects of hypnosis on pain perception and EEG brain activity. For her PhD, she went to the University of Campinas, São Paulo, Brazil, where she led Brazil’s first double-blind placebo-controlled human study on LSD and is currently investigating the effects of LSD and ayahuasca on consciousness, creativity, cognition, psychotic- and therapeutic-like experiences.