FIGURE 13.3 Incidence of Different Types of Hallucinations in Schizophrenia Schizophrenia-related hallucinations can occur in any sensory modality. Auditory hallucinations, usually in the form of voices, are the most common type of hallucinations that occur in schizophrenia, followed by visual hallucinations.

Source: Data from Mueser & others (1990) and Bracha & others (1989).