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Omega-3 Fatty Acids Linked To Better Cognitive Ability In At-Risk Adults

June 5, 2015: 12:00 AM EST
U.S. researchers who tested the cognitive flexibility of 40 healthy – but Alzheimer’s at-risk – older adults found that those who ate more omega-3 fatty acids had healthier brains. The area of the brain region that contributes to cognitive flexibility (anterior cingulate cortex) was larger in the omega-3 eating adults and they performed better on cognitive flexibility tests. All participants carried the gene variant APOE e4, a biomarker for a higher risk of developing late onset Alzheimer’s. The researchers cautioned that the findings suggest, but do not prove, that eating fish oils enlarges the anterior cingulate cortex and improves cognitive flexibility in older people.
Aron Barbey et al., "Anterior cingulate cortex mediates the relationship between O3PUFAs and executive functions in APOE e4 carriers. ", Frontiers in Aging Neuroscience, June 05, 2015, © Frontiers Media S.A.
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