Symptoms vary with the specific disease. Treatment varies with the specific disorder. Many of the disorders have nonspecific treatments, primarily supportive care to assist the person in areas where brain function is lost. Medications may be needed to reduce aggressive behaviors typical of some of the conditions in this category. See the specific disorder.
Some disorders are acute and treatable, but many are chronic or progressive.
Loss of ability to interact or function independently is common. This is an illustration of the major areas of the brain. Each area has one or more specific functions.