DELUSIONAL DISORDER By N., Pam M.S. - April 7, 2013 A psychotic disorder with delusions but not from schizophrenia. Delusions are not bizarre and could happen. DELUSIONAL DISORDER: "There are 7 types of delusional disorder." Related Psychology Terms UNDIFFERENTIATED SCHIZOPHRENIA SUBSTANCE-INDUCED PSYCHOTIC DISORDER PARANOIA PRIMARY THOUGHT DISORDER ATTENUATED PSYCHOTIC SYMPTOMS SCHIZOAFFECTIVE DISORDER ATTENUATED POSITIVE SYMPTOMS FOLIE A TROIS FOLIE A CINQ FOLIE A DEUX Cite this page: N., Pam M.S., "DELUSIONAL DISORDER," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/delusional-disorder/ (accessed March 31, 2020).