Two patients are in the local mental hospital: one is diagnosed with delusional disorder and the other with schizophrenia.What is the major difference between these two patients?

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The major difference between the two patients is that the patient with delusional disorder experiences no social or occupational impairment other than in areas related to his delusions, while the patient with schizophrenia may display both positive and negative symptoms, such as delusions, hallucinations, disorganized thinking and behavior, and reduced emotional expression and motivation. The presence of a mood disorder is not a defining characteristic of delusional disorder, and the absence of a family history of schizophrenia is not necessarily indicative of a diagnosis of schizophrenia.

Two Patients Are in the Local Mental Hospital: One Is