What diagnostic requirement differentiates Schizoaffective Disorder from other mood disorders with psychotic features?

The distinguishing diagnostic requirement for Schizoaffective Disorder hinges on the presence of delusions and hallucinations that persist for at least two weeks in the absence of mood symptoms. This criterion is crucial as it differentiates Schizoaffective Disorder from mood disorders with psychotic features, where psychotic symptoms are typically concurrent with mood disturbances.

In Schizoaffective Disorder, the psychotic features occur independently of the mood episodes, providing a separate dimension to the presentation of the disorder. This autonomy of psychotic symptoms offers a clearer understanding of the individual's functioning and overall mental health. Therefore, if an individual experiences delusions and hallucinations lasting beyond the duration of any mood episodes—irrespective of whether they are currently experiencing a mood disorder—it indicates a schizoaffective condition rather than a purely mood disorder with psychotic features.

The other options do not adequately capture this defining aspect. For instance, duration under one month would not apply since Schizoaffective Disorder requires a longer duration of psychotic symptoms. Similarly, the presence of mood symptoms alongside psychotic features is common in mood disorders, but it does not reflect the unique independence of psychotic symptoms seen in Schizoaffective Disorder. Finally, while catatonic behavior can occur in various disorders