Table 3.

Comparison of Stroop task congruent and incongruent N200/P300 amplitudes of the exergame group and treadmill exercise group.

Components, effects, and group				Pre, mean (SD)	Post, mean (SD)	Wilcoxon signed rank testa, P value	η2b	Mann-Whitney U testc, P value
N200 amplitude
	Congruent
		Fzd
			EXGe group	−1.3 (1.95)	−4.1 (3.02)	.09	0.138	.09
			TEf group	−0.98 (3.14)	−0.41 (3.82)	.33	—g	—
		Czh
			EXG group	−1.59 (2.54)	−5.13 (2.94)	.03	0.291	.01
			TE group	−1.61 (3.89)	−0.97 (4.59)	.42	—	—
		Pzi
			EXG group	−1.58 (1.89)	−4.06 (2.89)	.06	0.207	.03
			TE group	−1.32 (3.62)	−0.89 (3.99)	.53	—	—
	Incongruent
		Fz
			EXG group	−2.85 (2.3)	−2.78 (3.02)	.48	0.041	.37
			TE group	−1.37 (3.3)	−0.73 (3.18)	.42	—	—
		Cz
			EXG group	−3.23 (2.69)	−3.93 (2.92)	.29	0.099	.15
			TE group	−1.9 (3.82)	−1.1 (3.65)	.21	—	—
		Pz
			EXG group	−2.86 (2.45)	−3.07 (2.62)	.72	0.008	.70
			TE group	−1.4 (3.66)	−1.01 (3.52)	.48	—	—
P300 amplitude
	Congruent
		Fz
			EXG group	2.3 (1.94)	7.12 (5.73)	.01	0.008	.70
			TE group	3.21 (1.95)	4.82 (3.78)	.01	—	—
		Cz
			EXG group	1.92 (1.63)	6.49 (5.28)	.01	0.006	.75
			TE group	2.36 (0.93)	5.08 (3.03)	.01	—	—
		Pz
			EXG group	1.44 (1.69)	5.2 (5.88)	.01	0.099	.15
			TE group	1.74 (1.26)	4.87 (3.64)	.33	—	—
	Incongruent
		Fz
			EXG group	2.26 (3.14)	4.48 (3.27)	.09	0.018	.56
			TE group	1.93 (2.26)	3.85 (3.04)	.01	—	—
		Cz
			EXG group	2.03 (2.8)	4.38 (2.81)	.02	0.002	.85
			TE group	1.59 (1.63)	3.74 (2.99)	.02	—	—
		Pz
			EXG group	1.58 (2.44)	3.2 (2.73)	.02	0.000	.95
			TE group	1.05 (0.92)	3.33 (2.59)	.03	—	—

^aComparison of pre versus post within group.

^bη2: chi-square test value.

^cComparison of the delta values between EXG and TE group.

^dFz: frontal cortex.

^eEXG: exergame.

^fTE: treadmill exercise.

^gNot applicable.

^hCz: central cortex.

ⁱPz: parietal cortex.