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Causes of Brief Psychotic Disorder

The exact causes of the brief psychotic disorders remain unknown. Generally speaking, psychosis is thought to be due to an imbalance of neurotransmitters, especially dopamine, in the brain [ref]. Genetic factors likely put certain people at risk for developing these kinds of imbalances, but it will usually take some sort of environmental trigger, including a stressful life event, to set-off those processes.

In a large percentage of people with brief psychotic disorders, it is found over time that they in fact suffer from Schizophrenia or Mood Disorders. It is thus likely that most cases of brief psychotic disorders share many of the same underlying causes of Schizophrenia, Bipolar Disorder, or Major Depressive Disorder.


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Course & Prevalence