It was basically introduced in the book mentioned in the above post. You can read more about bicameralism here: http://en.wikipedia.org/wiki/Bicameralism_ http:

It was basically introduced in the book mentioned in the above post. You can read more about bicameralism here: http://en.wikipedia.org/wiki/Bicameralism_ http://en.wikipedia.org/wiki/Bicameralism_(psychology) (I'm pretty sure it's been disproved since, but he put forward a very interesting theory) edit: err use the entire link, the parens didn't get included.