There's the theory of the so-called "bicameral mind": https://en.wikipedia.org/wiki/Bicameralism_(psychology) https://en.wikipedia.org/wiki/Bicameralism_(psych

There's the theory of the so-called "bicameral mind": https://en.wikipedia.org/wiki/Bicameralism_(psychology) https://en.wikipedia.org/wiki/Bicameralism_(psychology)