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.
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).