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Healthinmind/Mental Health Disorders

Cognitive Disorders: Delirium, Dementia, and Amnesia

Cognitive disorders occur most often in the elderly. Because the average ages of people in most western societies are increasing, these disorders assume ever-increasing importance. It is often assumed that delirium and dementia are inevitable and nearly universal consequences of aging because they occur most often in older people; however, in some cases the delirium, dementia, or amnesia can be reversed or held in check. If a medical condition lies at the root of the problem, that condition may be curable, and the mental problem will improve along with the physical. If the problem cannot be treated, the focus shifts to better management of the problem. For information on each problem, select the appropriate topic in the outline below.

Amnesias, as the name indicates, are characterized by memory losses without sufficient cognitive deficits to indicate a diagnosis of delirium or dementia, and can be subcategorized into those:
 
      Caused by medical conditions
       Caused by substance abuse
       Not otherwise specified
       That are cognitive disorders not otherwise specified
Delirium
        From substance intoxication
       From withdrawal
       From multiple causes
       Not otherwise specified

Dementia
       Early onset Alzheimer’s
       Late onset Alzheimer/s
       Dementias caused by:
       Vascular problems
       HIV
       Head trauma
       Parkinson’s Disease
       Huntington’s Disease
       Pick’s Disease
       Creutzfeldt-Jakob Disease
       Other problems, or not otherwise specified

                                                                                                                                Last updated  12/19/03

 
     
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