Book Chapter
Psychotic Disorders
N Thomas, C Pantelis
Encyclopedia of Clinical Psychology | Wiley | Published : 2015
Abstract
Psychosis is a severe, acute or chronic mental illness that is characterized by reality distortion, delusions, hallucinations, disorganization, catatonia, and impaired insight. Psychosis can be primary (functional/nonorganic) or secondary (organic), which may differ in their symptoms or presentation. The neurobiology of psychoses is complex, involving many neurotransmitters, particularly the dopaminergic system. Thorough cognitive and physical examinations, as well as laboratory testing, are necessary for the diagnosis and management of psychosis. Antipsychotic medications are the cornerstone in the management of primary psychosis (such as schizophrenia), in combination with various psychoso..
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