They should scan a violinist playing a fully-rehearsed piece. I wouldn't be surprised if the "decision making" parts of the brain never light up. That doesn't m

They should scan a violinist playing a fully-rehearsed piece. I wouldn't be surprised if the "decision making" parts of the brain never light up. That doesn't mean that the piece isn't played according to conscious decision. It becomes mindless, just like arbitrarily deciding which letter to choose. They should also try passing random math problems. Let's see if the motor regions of the brain can calculate 12,000 * 1.08.