Table 2.

The comparison of average power in the 2nd session for alpha band (8–13 Hz).

	Laser group n = 20	Control group n = 20	F value	P value
Fp2-F4	0.403 ± 0.353	0.377 ± 0.315	0.008	0.807
F4-C4	0.199 ± 0.169	0.190 ± 0.151	0.000	0.806
C4-P4	0.171 ± 0.177	0.172 ± 0.139	0.139	0.976
P4-O2	0.535 ± 0.548	0.390 ± 0.350	5.072	0.326
Fp1-F3	0.319 ± 0.290	0.374 ± 0.335	0.672	0.578
F3-C3	0.176 ± 0.154	0.162 ± 0.136	0.390	0.771
C3-P3	0.187 ± 0.182	0.182 ± 0.178	0.103	0.937
P3-O1	0.372 ± 0.304	0.308 ± 0.231	2.867	0.457
Fp2-F8	0.378 ± 0.415	0.361 ± 0.290	0.195	0.885
F8-T4	0.171 ± 0.109	0.193 ± 0.118	0.478	0.544
T4-T6	0.276 ± 0.239	0.311 ± 0.333	0.502	0.709
Fp1-F7	0.394 ± 0.591	0.362 ± 0.331	0.298	0.831
F7-T3	0.234 ± 0.295	0.179 ± 0.104	1.147	0.441
T3-T5	0.253 ± 0.249	0.328 ± 0.412	2.647	0.487

Data are expressed as means ± standard deviation (μv²).