SPLIT PERSONALITY By N., Sam M.S. - 6 a lay term for a person with dissociative identity disorder. SPLIT PERSONALITY: "Split personality is often used to refer incorrectly to schizophrenia." Related Psychology Terms COMMUNITY PSYCHIATRY MANGANESE POISONING ANTISOCIAL REACTION LOVE SULLIVAN, HARRY STACK (1892- 1949) ADOLESCENCE (Theories) PMDD: Can It Be Cured? NAIVE PERSONALITY THEORIES Dissociative Identity Disorder AUTISM (Autistic Thinking) Cite this page: N., Sam M.S., "SPLIT PERSONALITY," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/split-personality/ (accessed August 15, 2022).