DEMENTIA: At the end of this case, learners will be able to: 1.Recognize and diagnose dementia, Alzheimer's dementia and vascular dementia based on DSM-IV criteria. 2. Distinguish between the common types of dementia (Alzheimer's, vascular, Lewy body) and less common forms (normal pressure hydrocephalus, frontal lobe dementia). 3. List available treatments for Alzheimer's dementia and vascular dementia and distinguish them according to mechanism of actions and indications. 4. Recognize confounding conditions (delirium, depression, sensory impairments, drug toxicity) in the evaluation of dementia. 5. Manage behavioral problems and mood disorders in dementia patients. 6. Recognize signs of elder mistreatment and be familiar with physician's reporting responsibilities. Enumerate appropriate cognitive, laboratory, and imaging tests for the evaluation of patient presenting with cognitive problems. 7. Recognize mild cognitive impairment (MCI) and distinguish it from dementia and normal cognition. 8. Know the resources available to help address physician concerns regarding driving safety in elderly and/or demented patients.