Dementia and Geriatric Cognitive Disorders · 2004 · 99 citations · 53 references
Cognitive impairment is very common in the younger old ages (under 70 years of age), whereas dementia becomes predominant after 75 years of age. Both conditions are strongly related to the educational level.
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Marshal F. Folstein, Susan E. Folstein, Paul R. McHugh · Journal of Psychiatric Research · 1975 · 85.9K citations
Influence of Education and Occupation on the Incidence of Alzheimer's Disease
Yaakov Stern · JAMA · 1994 · 1.4K citations · Full text
John T. O’Brien, Timo Erkinjuntti, Barry Reisberg et al. · International Journal of Stroke · 2014 · 1.2K citations