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| | Psychosis Encyclopedia of Psychology - Find Articles |
 | | It is also the defining feature of the psychotic disorders (i.e., brief psychotic disorder, shared psychotic disorder, psychotic disorder due to a general medical condition, and substance-induced psychotic disorder). |
 | | This psychotic episode, which lasts a month or less, can be brought on by the stress of major life-changing events (e.g., death of a close friend or family member, natural disaster, traumatic event), and can occur in patients with no prior history of mental illness. |
 | | Schizophrenia and its related disorders (schizophreniform disorder and schizoaffective disorder), mental illnesses with strong psychotic features, are thought to be caused by abnormalities in the structure and chemistry of the brain and influenced by both social and genetic factors. |
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