the 1973 book and follow up movie called Sybil, were based on a real woman. Her name was Shirley Ardell Mason, and her identity was only revealed at the time of her death in 1998. She is named the most famous psychiatric patient after being diagnosed with having over 12 personalities, some of them male. This was the result of t

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Sybil is a book about a real story. The story of Sybil Dorsett or Shirley Ardell Mason who suffered from multiple personality disorder. It was one of the first books of its kind that touched upon the issue of the multiple personality disorder. The story tracks the life of Dorsett who had 16 different personalities. The real Syb

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