The story tells of a young woman admitting to having blackouts, fearing they are getting worse. She is diagnosed as suffering from multiple personalities, as a result of severe abuse at the hands of her mother, whom her psychiatrist, Cornelia B. Wilbur, believes was schizophrenic. The movie Sibyl is based upon author Flora Rheta Schreiber's biography of Shirley Ardell Mason, an American psychiatric patient, suffering from multiple personality disorder. The book, also called Sibyl, was in its turn based largely on the actual accounts of psychiatric treatment that Shirley Ardell Mason underwent, documented by American psychiatrist Cornelia B. Wilbur. 从心理学上分析女主精神分裂的行为及过程。Alice 不懂不要乱讲。 The true story of a young woman named Sybil, whose childhood was so harrowing to her that she developed at least 13 different personalities.