(April 14, 2016 at 7:56 pm)Excited Penguin Wrote: Has this been scientifically proven, what I'm hearing of their brains, or is it simple conjecture?
There has been a whole body of papers in the scientific literature now for the last couple of decades. It used to be that they were only able to determine this after death via autopsy but now it can be determined while the person is still alive.