Getting ready to binge through Westworld and I noticed the last episode is called The Bicameral Mind.
This reminded me that I posted about bicameralism here on G+ long ago.
Even though Google, a search company, makes it hard to search through your own posts, I found my original post.
I remembered making this post even though it's almost 5 years old!

Bicameralism is a fascinating psychological theory to think about. I’m not…
Bicameralism is a fascinating psychological theory to think about. I’m not qualified to comment on it’s likelihood other than the fact that many people… – Dustin Wyatt – Google+
I put it firmly in the "that would provide a lot of evidentiary basis for racism, if only it were true" category. I.e. science again proving bigotry wrong.
So, I'm halfway through this series and bicameralism features much more heavily than just the title of an episode!