mental health disorders
Introduction to Schizophrenia and Related Disorders
Introduction
 Schizophrenia and related psychotic disorders— Psychotic symptomsinclude delusions, hallucinations, disorganized thinking and speech, and bizarre and inappropriate motor behavior (including catatonia). Negative symptomsare a decrease in or lack of normal emotions and behaviors. For example, people may lack motivation and their face may not express emotions. Cognitive dysfunctionrefers to problems with thinking (cognition), such as being able to focus one's attention, remember things, have self-control, and think flexibly. Diagnosis and treatment of schizophrenia and related psychotic disorders are based on symptoms and the course of the specific illness. 