b'with schizophrenia are not dangerous or violent toward others while they are receiving treatment.In fact, people with serious mental illness are much more likely to be the victims rather than the perpetrators of violent behavior. What are the symptoms of schizophrenia? No one symptom positively identifies schizophrenia. Symptoms of this illness also can be found in other mental illnesses. For example, psychotic symptoms may be caused by the use of illicit drugs, may be present in individuals with Alzheimers disease or may be characteristics of a manic episode in bipolar disorder. However, with careful assessment and understanding of the illness over time, a correct diagnosis can be made. The symptoms of schizophrenia are generally divided into three categoriesPositive, Negative, and Cognitive: Positive symptoms (the presence of abnormal characteristics) include delusions and hallucinations. The person has lost touch with reality in certain important ways. Delusions cause individuals to believe that people are reading their thoughts or plotting against them, others are secretly monitoring and threatening them or that they can control other peoples minds. Hallucinations are sensory anomalies that cause people to hear or see things that are not present. Negative symptoms (the absence of normal characteristics)include emotional flatness or lack of expression, an inabilityMental Health Concerns189'