Among the psychotic symptoms including delusions, hallucinations, disorganized thinking and speech, as well as bizarre and inappropriate motor behavior.
Schizophrenia and related disorders-brief psychotic disorder, delusional disorder, schizoaffective disorder, schizophreniform disorder and schizotypal personality disorder characterized by psychotic symptoms and often by negative symptoms and / or cognitive dysfunction. Among the psychotic symptoms including delusions, hallucinations, disorganized thinking and speech, as well as bizarre and inappropriate motor behavior. Negative symptoms refer to a reduction or lack of normal emotions and behaviors, such as a flattened impaired and lack of motivation. Cognitive dysfunction in these disorders affects v. a. sustained attention and working memory.