Roger has changed a great deal. He has a difficult time remembering things, even simple things like where he is or what year it is. He is having increasing difficulty understanding people or saying things that make sense to others. In addition, he rarely cleans himself anymore and acts in very inappropriate ways around others. Roger is exhibiting many signs of

Question

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Roger is displaying symptoms of Alzheimer's disease, a progressive brain disorder that affects memory, language, and behavior. The symptoms mentioned in the scenario are characteristic of Alzheimer's disease, including difficulty with memory, communication, and personal hygiene. Parkinson's disease primarily affects movement and is unlikely to cause the range and severity of symptoms described in the scenario. Depression and anxiety can cause cognitive difficulties, but they do not typically cause such a significant decline in functioning as Alzheimer's disease.

Roger Has Changed a Great Deal