the main theoretical controversy — and it is a continuing one, and the one that is most important for us here — is whether or not hypnosis is really anything different from what happens every day in the normal state.
Jaynes frames the ontological question of hypnosis — whether it is a distinct state or merely amplified normalcy — as the decisive theoretical crux for his broader bicameral-mind argument.
, The Origin of Consciousness in the Breakdown of the Bicameral Mind, 1976thesis