The Effect of Long-Chain Polyunsaturated Fatty Acids on Cognitive Performance and Mood of Healthy Young Adults
The Effect of Long-Chain Polyunsaturated Fatty Acids on Cognitive Performance and Mood of Healthy Young Adults
The study investigates whether dietary intake of omega-3 long-chain polyunsaturated fatty acids affects learning and mood of healthy young adults.
The long-chain polyunsaturated fatty acids (LCPUFA) EPA (eicosapentaenoic acid), DHA (docosahexaenoic acid) of the omega-3 series and AA (arachidonic acid) of the omega-6 series are building blocks of all cell membranes and are found in high concentrations in retina and brain. Food sources of LA and ALA are vegetable oils, nuts and seeds. Since low conversion rates from ALA to DHA are a characteristic of human metabolism, adequate dietary provision with the long-chained omega-3 molecules depends primarily on individual eating habits. While AA is abundant in meat and dairy products, EPA and DHA are found in noteworthy concentrations only in certain species of fatty fish, such as salmon or mackerel.
The study investigates whether participants receiving an omega-3 supplement over a period of 4 month, perform better on a series of cognitive tests, than the participants allocated to the placebo group.
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