Neuropsychological features of early and late-onset Alzheimer's disease.
D000367:Age Factors; D000368:Aged; D000544:Alzheimer Disease / Q000145:classification / Q000503:physiopathology*; D001921:Brain / Q000503:physiopathology; D006801:Humans; D008875:Middle Aged; D009483:Neuropsychological Tests; D011597:Psychomotor Performance