That is an incredibly important observation. Massively important.
Communal altered states of consciousness. Major point, though:
SHAMANISM IS A METHOD, NOT A RELIGION.
This is crucial to differentiate. It is a set of practices, not beliefs, not symbols.
Caps 1000% intended.
BUT, not all shamanism is ritually abusive.
Easier to read dot-points of the definition of shamanism.
He directly speaks to shamanism being at the biological core of dissociation.
The direct reference to **shamanism** employing a hypnotic state.
Experts at Esalen including Crabtree, while experts in Dissociative Identity Disorder (Multiple Personality Disorder) also pursue hypnosis and trance. NLP was also developed there.