Definitions for "Psychotic disorders"
Syndromes characterized by a loss of reality testing, including schizophrenia, schizophreniform disorder, schizoaffective disorder, delusional disorder, brief psychotic disorder, and shared psychotic disorder.
Mental disorders characterised by severe impairment in reality testing, as evidenced by delusions, hallucinations, and disorganised or agitated behaviour without insight, eg, schizophrenia, bipolar disorder, postnatal psychosis.
A group of severe psychiatric disorders characterized by prominent psychotic symptoms, including loss of reality testing, hallucinations, delusions, disorganized speech or behavior, and others. Schizophrenia, schizoaffective disorder, schizophreniform disorder, and delusional disorder are principal psychotic disorders in the DSM-IV.