This looks so good. Seems in line with Being John Malkovich, Eternal Sunshine of the Spotless Mind, The Truman Show, Punch Drunk Love, i.e. movies I love.
The Origin of Consciousness in the Breakdown of the Bicameral Mind
Jaynes’s thesis: human consciousness is only about 3000 years old. Previous to this development, the mind was bicameral, with the right half sending messages to the left as compelling voices. A much better summary can be found at The Universe of Discourse.
Must read.