Schizophrenic Disorders- A schizophrenic disorder is defined as a chronic mental illness that affects about one percent of the population. The victim interprates reality in an abnormal way. There are many types of schizophrenic disorders. This page well define the symptoms, give possible causes, and point out differences between the illnesses we are presenting. The illnesses we are looking at are: Disorganized Schizophrenia, Catatonic Schizophrenia, and Paranoid Schizophrenia.