Observational study reveals significant cognitive deficits in older ApoE∊4 carriers, suggesting genetic susceptibility to accelerated mental decline.
Apolipoprotein E type 4 allele (ApoE∊4) is known as a risk gene for the late-onset Alzheimer's disease, and the relationship between ApoE∊4 and cognitive function of the elderly people has drawn the attention of the scientists. In this study, we investigated the relationship between ApoE∊4 and the cognitive function of the old people. A total of 156 old people were investigated, of whom 31 were ApoE∊4 carriers. The ApoE∊4 primarily influenced the global cognitive function, perceptual speed, and work memory. The results indicate that ApoE∊4 has significant negative effect on the cognitive function of the elderly people who are 60 years and older.
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Sun et al. (2015) studied this question.
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