Journal
PROSTAGLANDINS LEUKOTRIENES AND ESSENTIAL FATTY ACIDS
Volume 78, Issue 4-5, Pages 311-326Publisher
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.plefa.2008.04.004
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This study investigated effects of PUFA and micronutrient supplementation on cognition in children with ADHD symptoms. In a randomised controlled trial, 7-12-year-old children with symptoms > 2 S.D. on Conners' ADHD Index were given PUFA, PUFA + inultivitamins/minerals (MVM), or placebo for 15 weeks, and then all children were given PUFA + MVM for an additional 15 weeks. After 15 weeks there were improvements in a test of the ability to switch and control attention (Creature Counting) in the PUFA groups compared to placebo (N = 129, p = 0.002). This improvement was also observed in the placebo group after taking PUFA from weeks 16 to 30 (N = 104). There were no significant improvements in other cognitive measures, or with additional micronutrient supplementation. However, improvements in cognitive performance mediated previous parent-reported improvements in inattention, hyperactivity and impulsivity [N. Sinn, J. Bryan, Effect of supplementation with polyunsaturated fatty acids and micronutrients on ADHD-related problems with attention and behaviour, J. Dev. Behav. Pediatr. 28 (2) (2007) 82-91], suggestive of a common neurological mechanism for these symptoms. (c) 2008 Elsevier Ltd. All rights reserved.
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