Definition: An organic mental disorder is a dysfunction of the brain that may be permanent or temporary.
Organic mental disorders may be caused by inherited physiology, injury, or disease affecting brain tissues, chemical or hormonal abnormalities, exposure to toxic materials, neurological impairment, or abnormal changes associated with aging.
Examples:
Organic mental disorders occur as the result of developmental anomalies in the brain. There are many types of organic mental disorders. Examples organic mental disorders:

