TABLE 3.

ERP amplitude and latency data (mean ± SE) across treatments and Stroop tasks.

Component	Experiment group				Control group
	Pre-test		Post-test		Pre-test		Post-test
	Congruent	Incongruent	Congruent	Incongruent	Congruent	Incongruent	Congruent	Incongruent
Amplitude (μV)
P2	4.14 ± 0.69	4.14 ± 0.74	7.45 ± 0.68	6.53 ± 0.78	4.15 ± 0.68	3.86 ± 0.73	5.02 ± 0.67	4.46 ± 0.77
N2	−2.13 ± 0.60	−2.56 ± 0.63	−1.41 ± 0.76	−2.06 ± 0.72	0.05 ± 0.59	−0.89 ± 0.62	−0.47 ± 0.75	−1.49 ± 0.71
P3b	9.25 ± 0.85	8.82 ± 0.84	9.90 ± 0.94	7.99 ± 0.78	7.69 ± 0.84	7.03 ± 0.83	7.92 ± 0.93	6.93 ± 0.77
N450	1.87 ± 0.72	0.27 ± 0.74	2.57 ± 0.89	0.04 ± 0.80	2.15 ± 0.71	0.34 ± 0.73	2.45 ± 0.88	0.22 ± 0.78
Latency (ms)
P2	186.40 ± 3.60	186.97 ± 3.84	184.57 ± 3.29	185.37 ± 3.68	187.89 ± 3.55	187.44 ± 3.79	189.44 ± 3.24	190.44 ± 3.63
N2	302.06 ± 5.23	300.11 ± 5.63	303.31 ± 5.19	306.40 ± 5.00	298.56 ± 5.16	302.11 ± 5.55	297.78 ± 5.12	300.67 ± 4.93
P3b	382.40 ± 4.04	380.11 ± 3.70	379.20 ± 4.41	376.23 ± 3.84	379.89 ± 3.98	381.22 ± 3.64	385.11 ± 4.35	375.78 ± 3.79
N450	472.57 ± 6.08	467.77 ± 5.24	459.54 ± 6.26	464.11 ± 6.01	464.89 ± 5.99	469.11 ± 5.16	464.22 ± 6.17	463.33 ± 5.92