The same areas which are active in listening to music are also active when you imagine music, and this includes the motor areas, too. That explains why earlier, even though I was only thinking of the mazurka, I was thinking in terms of movement.
Oliver SacksIf a man with a dog sits quietly enjoying music and smiling, his dog might sit down beside him and smile, too. But who knows whether the dog is having a comparable experience or whether the dog is simply happy that his master is happy.
Oliver SacksWe see with the eyes, but we see with the brain as well. And seeing with the brain is often called imagination.
Oliver Sacks