Schizophrenia is a devastating disorder that disrupts cognition and emotion. It affects language, thought, perception, affect, and an individual’s sense of self. Furthermore, recent researchers have indicated that cognitive difficulties as in information processing, planning, regulating goal directed behavior, attention and memory etc.
are associated with schizophrenia. Previously, the goal of treatment for individuals with schizophrenia is maintenance, however the current goal for treatment is to help patients recover from schizophrenia (Module 4 Notes, 2009).
The lifetime prevalence of schizophrenia is about 1% in the US. This is a very alarming statistic, because it means that one out of every 100 individuals will develop this devastating condition in their lifetime. The epidemiological report about schizophrenia varies depending on the source and the geographical location. The incidence of schizophrenia is higher among individual born in the urban area of the industrialized countries. However, the incidence and prevalence of schizophrenia is the same all over the world. The lifetime prevalence rate for schizophrenia by the National Institute of Mental Health is 0.6 to 1.9%. The DSM-IV-TR annual report of the incidence of schizophrenia ranges from 0.5 to 5.0 per 100,000 (Sadock, & Sadock 2007) I am not sure if it is all right to predict that there will be an increase in rate of occurrence of schizophrenia. This is because there is evidence of a genetic involvement in the etiology of schizophrenia. In addition, patients with schizophrenia are no longer treated in seclusion; as such they are able to reproduce like the general population.
Over the centuries, there have been many theories about the causes of mental illness. One of the earliest theories suggested that psychotic disorders are due to possession by the devil or evil spirits or due to punishment by the gods. others believed that mental illness was due to vapors or pressure on the...