Psychological disorder causes you to hallucinate your doppelgänger
by David Pescovitz from on (#K0GY)
In the book The Man Who Wasn't There, Anil Ananthaswamy explores mysteries of self, including the weirdness of autoscopic phenomena, a kind of hallucination in which you are convinced that you are having an out-of-body experience or face to face with your non-existent twin. Read the rest