The Widely Misunderstood Term Schizophrenia Is Based on Greek Roots

The widely misunderstood term schizophrenia is based on Greek roots meaning "split mind." To be diagnosed with schizophrenia, according to DSM-IV, someone must exhibit a deterioration of daily activities, including work, social relations, and self-care. He or she must also exhibit at least two additional symptoms out of a list of five possible types of symptoms. Name three of the five symptoms and describe the difference between positive and negative symptoms.