Reading , working memory , and behavior change scores showed no consistent differences between intervention and placebo group .
Some behavioral subscales showed minor group differences .
Conclusions This RCT did not replicate results of the earlier DOLAB 1 study on the effectiveness of nutritional supplementation with DHA for learning and behavior .
Background Omega-3 fatty acids are central to brain-development of children .
Evidence from clinical trials and systematic review s demonstrates the potential of long-chain Omega-3 supplementation for learning and behavior .
However , findings are inconclusive and in need of robust replication studies since such work is lacking .
Objectives Replication of the 2012 DOLAB 1 study findings that a dietary supplementation with the long-chain omega-3 docosahexaenoic acid ( DHA ) had beneficial effects on the reading , working memory , and behavior of healthy schoolchildren .
EFA supplementation in children with inattention, hyperactivity, and other disruptive behaviors
This pilot study evaluated the effects of supplementation with PUFA on blood FA composition and behavior in children with Attention-Deficit/Hyperactivity Disorder (AD/HD)-like symptoms also reporting thirst and skin problems . Fifty children were r and omized to treatment groups receiving either a PUFA supplement providing a daily dose of 480 mg DHA , 80 mg EPA , 40 mg arachidonic acid ( AA ) , 96 mg GLA , and 24 mg α-tocopheryl acetate , or an olive oil placebo for 4 mon of doubleblind parallel treatment . Supplementation with the PUFA led to a substantial increase in the proportions of EPA , DHA , and α-tocopherol in the plasma phospholipids and red blood cell ( RBC ) total lipids , but an increase was noted in the plasma phospholipid proportions of 18∶3n-3 with olive oil as well . Significant improvements in multiple but outcomes ( as rated by parents ) were noted in both groups , but a clear benefit from PUFA supplementation for all behaviors characteristic of AD/HD was not observed . For most outcomes , improvement of the PUFA group was consistently nominally better than that of the olive oil group ; but the treatment difference was significantly , by secondary intent-to-treat analysis on only 2 out of 16 outcome measures : conduct problems rated by parents ( −42.7 vs. −9.9 % , n=47 , P=0.05 ) , and attention symptoms rated by teachers ( −14.8 vs. + 3.4 % , n=47 , P=0.03 ) . PUFA supplementation led to a greater number of participants showing improvement in oppositional defiant behavior from a clinical to a non clinical range compared with olive oil supplementation ( 8 out of 12 vs. 3 out of 11 , n=33 , P=0.02 ) . Also , significant correlations were observed when comparing the magnitude of change between increasing proportions of EPA in the RBC and decreasing disruptive behavior as assessed by the Abbreviated Symptom Question naire ( ASQ ) for parents ( r=−0.38 , n=31 , P<0.05 ) , and for EPA and DHA in the RBC and the teachers ' Disruptive Behavior Disorders ( DBD ) Rating Scale for Attention ( r=−0.49 , n=24 , P<0.05 ) . Interestingly , significant correlations were observed between the magnitude of increase in α-tocopherol concentrations in the RBC and a decrease in scores for all four subscales of the teacher 's DBD ( Hyperactivity , r=−0.45 ; Attention , r=−0.60 ; Conduct , r=−0.41 ; Oppositional/Defiant Disorder , r=−0.54 ; n=24 , P<0.05 ) as well as the ASQ for teachers ( r=−0.51 , n=24 , P<0.05 ) . Thus , the results of this pilot study suggest the need for further research with both n−3 FA and vitamin E in children with behavioral disorders
Reading , working memory , and behavior change scores showed no consistent differences between intervention and placebo group .
Some behavioral subscales showed minor group differences .
Conclusions This RCT did not replicate results of the earlier DOLAB 1 study on the effectiveness of nutritional supplementation with DHA for learning and behavior .
Background Omega-3 fatty acids are central to brain-development of children .
Evidence from clinical trials and systematic review s demonstrates the potential of long-chain Omega-3 supplementation for learning and behavior .
However , findings are inconclusive and in need of robust replication studies since such work is lacking .
Objectives Replication of the 2012 DOLAB 1 study findings that a dietary supplementation with the long-chain omega-3 docosahexaenoic acid ( DHA ) had beneficial effects on the reading , working memory , and behavior of healthy schoolchildren .