Phenomenology of altered states of consciousness: philosophy and practice

The concept of altered states of consciousness was studied from the standpoint of phenomenological philosophy, a phenomenological approach in psychology, and it was compared with Eastern techniques and concepts. The goal of the article was to show the connection between philosophical theory and practice in the study of altered states of consciousness. The question is raised of how the consciousness is understood in different philosophical theories, how the problem of altered states of consciousness is raised in connection with them, for which practices of altered states of consciousness that theories could be used. The article expects examples of various psychotherapeutic techniques, in which the view of the normal state of consciousness is expanded and rigid ideas about the norm and border are overcome