Effects of exergame training combined with omega-3 fatty acids on the elderly brain: a randomized double-blind placebo-controlled trial

Table 4 Time × group interaction and time main effects of repeated measures Puri & Sen-analysis of ranked data for response-locked potentials

	Interaction effect (time × intervention)					Main effect (time, pre vs. post)
	r²	L	p	Ƞ_p²	Ƞ_G²	r²	L	p	Ƞ_p²	Ƞ_G²
Positive peak before response onset
Fp1	0.001	0.031	.863	< 0.01	< 0.01	0.127	3.922	.046*	0.13	0.03
Fp2	0.018	0.572	.458	0.02	< 0.01	0.189	6.054	.011*	0.19	0.04
Negative peak after response onset
Fp1	< 0.001	< 0.001	.995	< 0.01	< 0.01	0.123	3.816	.049*	0.12	0.03
Fp2	0.022	0.698	.412	0.02	< 0.01	0.137	4.393	.034*	0.14	0.03

For Fp1 N = 32; fish oil and exergame group N = 17 and olive oil and exergame group N = 15. For Fp2 N = 33; fish oil and exergame group N = 18 and olive oil and exergame group N = 15. *p < .05. η_p²: effect size. η_G²: effect size

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