Which statement best describes schizoaffective disorder in relation to schizophrenia?

• A. Mood symptoms such as major depression or mania occur concurrently with psychotic symptoms
• B. Mood symptoms occur only after remission of psychosis
• C. There are no mood symptoms during the illness
• D. Mood symptoms are never present

Answer: (A)

Schizoaffective disorder combines psychotic symptoms like those seen in schizophrenia with prominent mood symptoms that occur during the illness. The defining feature is that mood disturbances (depression or mania) are present at the same time as psychotic symptoms for a substantial period, rather than mood symptoms occurring only before or after psychosis. This overlap differentiates schizoaffective disorder from schizophrenia, where mood symptoms aren’t a defining, concurrent part of the illness. For a fuller picture, there’s also typically a period of psychosis without mood symptoms, which helps distinguish it from bipolar or major depressive disorder with psychotic features. So the statement that mood symptoms occur concurrently with psychotic symptoms best captures the nature of schizoaffective disorder.