FUNCTIONAL PSYCHOSIS 1 By N., Sam M.S. - 25 Psychotic state for which no specific neurological or other physical pathology is demonstrated. 2. Obsolete name for any severe mental disorder where no specific neurological or physical pathology is demonstrated. FUNCTIONAL PSYCHOSIS 1: "Functional psychosis has no specific pathology." Related Psychology Terms Dissociative Identity Disorder DREAM-STATE (D-STATE, REM- STATE) A Comparison of Maternal and Paternal Filicide Selecting a Diagnosis CHILD PSYCHIATRY CLINICAL PSYCHOLOGY Diagnosis and Treatment Planning ARTERIOSCLEROTIC BRAIN DISORDER DIRECT ANALYSIS Discrimination and Mental Illness in the LGBT Population Cite this page: N., Sam M.S., "FUNCTIONAL PSYCHOSIS 1," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/functional-psychosis-1/ (accessed June 25, 2022).