“The real puzzles this brew presents pertain, I think, neither to botany nor to culture but rather to the human mind. As such, the study of ayahuasca belongs first and foremost to the domain of psychology, and more specifically cognitive psychology – the discipline investigating the workings of the human mind.”
Shanon, B. (1997). Cognitive psychology and the study of ayahuasca. Jahrbuch Für Ethnomedizin Und Bewusstseinsforschung/Yearbook for Ethnomedicine and the Study of Consciousness, 6, 77–94.