A psychedelic experience (known colloquially as a trip) is a temporary altered state of consciousness induced by the consumption of psychedelic drugs like mescaline, LSD, psilocybin, and DMT. For example, the term acid trip refers to psychedelic experiences brought on by the use of LSD. Psychedelic experiences are interpreted in exploratory, learning, recreational, religious/mystical and therapeutic contexts. (Wikipedia)
It’s all the other wonderful stuff that makes the movie. Director Scott Derrickson isn’t afraid to let his imagination run wild everything from acid trips to body horror to Inception called and they want their movie back is featured.