ALTER By N., Sam M.S. - 423 noun. 1. any number of the additional characteristics of an individual with DID (Dissociative Identity Disorder). 2. the second person in any social interplay scenario. ALTER: "The movie Cybil depicts a schizophrenic woman with several alters." Related Psychology Terms Dissociative Identity Disorder SCHIZOPHRENIA (OTHER TYPES) ADOLESCENCE (Theories) Piaget’s Theory of Cognitive Development PMDD: Can It Be Cured? SOCIAL CLASS (Social Stratification) Characteristics and Behaviors of Effective Counseling JUNG, CARL GUSTAV (1875-1961) SCHIZOPHRENIC REACTIONS (THERAPY) Diagnosis and Treatment Planning Cite this page: N., Sam M.S., "ALTER," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/alter/ (accessed January 30, 2023).