Neurologist V.S. Ramachandran, a pioneer in the field of visual perception, explains how his simple experiments in behavioral neurology have changed the lives of patients suffering from a variety of neurological symptoms in The Tell-Tale Brain.
http://www.npr.org/2011/02/14/133026897/v-s-ramachandrans-tales-of-the-tell-tale-brain?&sc=tumblr