George: Came across this and thought of you:

https://www.theatlantic.com/science/archive/2016/06/how-consciousness-evolved/485558/

All sounds quite plausible to me.

We all appreciate your thinking of us and providing this very well done explanation of the evolution of the human brain. I don't think he hasn't given us a good explanation of consciousness, but has afforded a good description as to how we arrived at the state of being conscious and responsive. Well worth reading.