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Effect sizes of APOE e4 on the same general cognitive ability test taken by the same people from age 11 to age 90: The Lothian Birth Cohorts 1921 and 1936

As an outcome variable, cognitive functioning is a moving target. In humans, aspects of cognitive capability show mean declines after young adulthood [1, 2]. Older people score lower on some tests of, for example, processing speed, memory, and reason... [39850 chars].. reed more