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Symptoms
By Mayo Clinic staffDementia symptoms vary depending on the cause, but common signs and symptoms include:
- Memory loss
- Difficulty communicating
- Inability to learn or remember new information
- Difficulty with planning and organizing
- Difficulty with coordination and motor functions
- Personality changes
- Inability to reason
- Inappropriate behavior
- Paranoia
- Agitation
- Hallucinations
When to see a doctor
See a doctor if you or a loved one experiences memory problems or other dementia symptoms. Some medical conditions can cause symptoms of dementia and are treatable, so it's important that a doctor determine the underlying cause.
Alzheimer's disease is a type of dementia that worsens over time. Early diagnosis gives a person time to plan for the future while he or she can participate in making decisions.
- Dementia: Hope through research. National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/dementias/detail_dementia.htm#1318919213. Accessed Jan. 25, 2010.
- Dementia. Alzheimer's Association. http://www.alz.org/alzheimers_disease_dementia.asp. Accessed Jan. 25, 2011.
- Alternative treatments. Alzheimer's Association. http://www.alz.org/alzheimers_disease_alternative_treatments.asp. Accessed Jan. 25, 2011.
- A guide to dementia diagnosis and treatment. The American Geriatrics Society. http://www.americangeriatrics.org/press/listservs/december_10_2010427672/id:1442 Accessed Jan. 25, 2011.
- NIH State-of-the-science conference statement on preventing Alzheimer's disease and cognitive decline. National Institutes of Health. http://consensus.nih.gov/2010/docs/alz/alz_stmt.pdf. Accessed Jan. 7, 2011.
- Ritchie K, et al. Designing prevention programmes to reduce incidence of dementia: Prospective cohort study of modifiable risk factors. British Medical Journal. 2010;341:c3885.
- Rusanen M, et al. Heavy smoking in midlife and long-term risk of Alzheimer disease and vascular dementia. Archives of Internal Medicine. In press. Accessed Jan. 25, 2011.
- Siedlecki KL, et al. Comparison of patient and caregiver reports of patient activity participation and its relationship to mental health in patients with Alzheimer's disease. Journal of Gerontology: Psychological Services. 2009;64B:687.
- Scarmeas N, et al. Physical activity, diet, and risk of Alzheimer's disease. Journal of the American Medical Association. 2009;302:627.
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