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. 2011 Jan;158(1):83-90, 90.e1.
doi: 10.1016/j.jpeds.2010.06.056. Epub 2010 Aug 25.

Long-term effects of prenatal omega-3 fatty acid intake on visual function in school-age children

Caroline Jacques  1 , Emile Levy, Gina Muckle, Sandra W Jacobson, Célyne Bastien, Eric Dewailly, Pierre Ayotte, Joseph L Jacobson, Dave Saint-Amour
Affiliations

Long-term effects of prenatal omega-3 fatty acid intake on visual function in school-age children

Caroline Jacques et al. J Pediatr. 2011 Jan.

Abstract

Objective: To assess the long-term effect on visual development of omega-3 polyunsaturated fatty acid (n-3 PUFA) intake during gestation.

Study design: Using visual evoked potentials (VEPs), the long-term effects on visual development were evaluated in 136 school-age Inuit children exposed to high levels of n-3 PUFAs during gestation. VEP protocols using color and motion stimuli were used to assess parvocellular and magnocellular responses. Concentrations of the two major n-3 PUFAs (docosahexaenoic acid [DHA] and eicosapentaenoic acid [EPA]) were measured in umbilical cord and child plasma phospholipids, reflecting prenatal and postnatal exposure, respectively.

Results: After adjustment for confounders, cord plasma DHA level was found to be associated with shorter latencies of the N1 and P1 components of the color VEPs. No effects were found for current n-3 PUFA body burden or motion-onset VEPs.

Conclusion: This study demonstrates beneficial effects of DHA intake during gestation on visual system function at school age. DHA is particularly important for the early development and long-term function of the visual parvocellular pathway.

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Figures

Figure
Figure
A) Color (Oz site) and motion (T5-T6 sites) VEP grand mean average from valid subjects for 134 and 70 children, respectively. B) Color VEP N1 and P1 latency as a function of cord plasma phospholipid DHA concentration.
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