They include hallucinations, or seeing things, and delusions such as hearing voices. In men, symptoms usually start in the late teens and early 20s. People who have it may hear voices, see things that aren't there or believe that others are reading or controlling their minds. Schizophrenia is a severe, lifelong brain disorder.Class of psychoses with disturbance mainly of cognition (content and form of thought, perception, sense of self versus external world, volition) and psychomotor function, rather than affect.A severe emotional disorder of psychotic depth characteristically marked by a retreat from reality with delusion formation, hallucinations, emotional disharmony, and regressive behavior.Common clinical signs and symptoms include delusions, hallucinations, disorganized thinking, and retreat from reality.
It affects the cognitive and psychomotor functions. A major psychotic disorder characterized by abnormalities in the perception or expression of reality.Symptoms include seeing, hearing, feeling things that are not there, having false ideas about what is taking place or who one is, nonsense speech, unusual behavior, lack of emotion, and social withdrawal. A group of severe mental disorders in which a person has trouble telling the difference between real and unreal experiences, thinking logically, having normal emotional responses to others, and behaving normally in social situations.Subchronic schizophrenia with acute exacerbations.Schizophrenia, subchronic with acute episode.psychoactive drug use ( F11- F19 with.