Caring for a person with dementia is a difficult and often- overwhelming task. In addition to the inevitable decline in memory and physical function, most persons with dementia develop one or more troublesome behavior problems, such as depression, fearfulness, sleep disturbances, paranoia, or physical aggression at some point in their disease. Behavioral challenges in dementia are highly idiosyncratic. No two patients are alike, and interventions that work well with one person are often ineffective with another. Caregivers often become stuck: either unable to figure out how best to help...