Alan Alda in Scientific American Frontiers
"Make Up Your Mind"
SCIENTIFIC AMERICAN FRONTIERS discovers the "you" inside your head - the part of your mind, sitting right behind your forehead, that decides what you do every waking second of the day. The program reconstructs a 150-year-old accident that caused a railroad worker named Phineas Gage to lose his sense of self; sees children's reasoning powers gradually come online; and scans Alan Alda's brain as he struggles to make decisions while feeling cheated. D