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Bunce, D. et al.

Bunce, Kivipelto, Wahlin,

Apolipoprotein E, B vitamins, and cognitive function in older adults.

Recognition of dated and contemporary famous faces, short-term memory, and visuospatial abilities were investigated in adults aged 75 years and older as a function of apolipoprotein E (APOE) genotype, epsilon4 or not epsilon4, and whether participants recorded normal or low levels of B vitamins. No associations between B vitamins and APOE were identified in respect to short-term memory or visuospatial skills, or for contemporary famous faces. However, in respect to the recognition of dated famous faces, deficits in persons carrying the epsilon4 allele who also recorded low vitamin B(12) values were found. The results suggest that the neurological structures and processes supporting face recognition may be vulnerable to the combined influence of the APOE epsilon4 allele and low levels of vitamin B(12). This finding was unrelated to incipient dementia up to 6 years following testing. The results are discussed with reference to the neuroanatomical reserves that epsilon4 carriers may possess.[1]

References

Apolipoprotein E, B vitamins, and cognitive function in older adults. Bunce, D., Kivipelto, M., Wahlin, A. The journals of gerontology. Series B, Psychological sciences and social sciences. (2005) [Pubmed]

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