Hallucinations

From the bestselling author of MUSICOPHILIA and THE MAN WHO MISTOOK HIS WIFE FOR A HAT, a provocative investigation into hallucinations. For most people, they imply madness. But there are many different types of non-psychotic hallucination caused by various illnesses or injuries, by intoxication - even, for many people, by falling sleep. Oliver Sacks investigates the fundamental differences and similarities of the many sorts of hallucinations, what they say about the organization and structure of our brains, how they have influenced every culture's folklore and art, and why the potential for hallucination is present in us all.