Part Two: Chapter Fourteen, The Possessed Summary and Analysis

Sacks returns to Tourette's Syndrome by re-directing the reader's attention towards the severer forms of the disease. Witty Ticcy Ray was a relatively mild case of the disorder when compared with the complete possession some patients experience. Sacks notes that once he had his first encounter with Ray, he began to see people with Tourette's everywhere. According to Sacks, James Parkinson identified Parkinsonism while walking the streets of London, not sitting in a lab or hospital.

Shortly after meeting Ray, Sacks is walking down the streets of New York when he witnesses a woman imitating passers-by. Her characterizations become increasingly unacceptable to those around her until a large disturbance occurs. As Sacks watches he realizes that the woman is not doing this act on purpose but is being possessed by her...