The origin of consciousness in the breakdown of the bicameral mind →
Erik Weijers’ summary of Julian Jaynes’ absolutely fascinating thesis about the origin of the human consciousness.
Via Bret Victor’s Links 2013, which I heartily recommend checking out. (Yes, it’s a list of links from 2013, but they’re not especially topical for 2013, and many of them [like this one] are indeed from way before 2013.)