Schizophrenia is a mental disorder[17] characterized by reoccurring episodes of psychosis that are correlated with a general misperception of reality.[7] Other common signs include hallucinations (typically hearing voices), delusions (i.e., paranoia), disorganized thinking and behavior,[10] and flat or inappropriate affect.[7] Symptoms develop gradually and typically begin during young adulthood and are never resolved.[3][10] There is no objective diagnostic test; diagnosis is based on observed