Which is true regarding Delusional Disorder?

Delusional Disorder is indeed characterized by the presence of one or more delusions without the accompanying features of other psychotic disorders, distinguishing it from other conditions characterized by broader psychotic symptoms. The focus on the presence of delusions, which are fixed beliefs that conflict with reality, is fundamental to this diagnosis. Individuals may hold onto these delusions even in the face of contradictory evidence, but they do not experience the full spectrum of hallucinations or severely impaired functioning typical of other psychotic disorders.

In contrast, the other options introduce elements not typically associated with Delusional Disorder. For example, the idea of a range of psychotic symptoms contradicts the definition, as this disorder is specifically limited to delusions without significant other psychotic features. The presence of multiple hallucinations is not a characteristic of Delusional Disorder, and although patients with this disorder might occasionally report hallucinations, they are not central to its diagnosis. Finally, suggesting that only visual hallucinations are involved inaccurately narrows the condition's manifestation, as any hallucinations, if present, can encompass a variety of sensory modalities but are not defining features of the disorder.

Thus, the correct understanding of Delusional Disorder is encapsulated in the emphasis on the experience of