Both Alzheimer's Disease and Vascular Dementia Involve Deterioration in Cognitive

Both Alzheimer's disease and vascular dementia involve deterioration in cognitive competence because of changes within the brain but vascular dementia

A) is the most common form of dementia in later life
B) usually never occurs in later life
C) does not have focal neurological signs or symptoms
D) has a different cause
E) does not result in memory impairment