Over the last ten years, Arnold has slowly lost the ability to work, drive, read, and write.He is now bedridden and almost mute.Arnold has the most common form of dementia, which is

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The symptoms described suggest the gradual decline in cognitive function that is typical of Alzheimer's disease, which is the most common type of dementia. Brain atrophy and repeated strokes can also cause dementia, but the gradual onset and progression of symptoms make Alzheimer's disease the most likely diagnosis. Alcoholism can cause brain damage and cognitive impairment, but it is not typically associated with the gradual decline in function that is described in the scenario.

Over the Last Ten Years, Arnold Has Slowly Lost the Ability