Below are a collection of podcasts on Julian Jaynes’s theory by others. While these are not produced by the Julian Jaynes Society and we don’t necessarily agree with all of the commentary, they will definitely help you to better understand the theory.
The bicameral mind with Joe McCormick
Bicameralism, Part 1: The Voice of God
Bicameralism, Part 2: The Silent Pantheon
Tulpas: Could A Thought Come Alive?
Drunken Philosophy: #186 Bicameralism