. 2017 Jan 30;29(1):38–42. doi: 10.1589/jpts.29.38

Table 2. Comparison of relative alpha power over brain area by hand and mirror observation in pre and post-test (unit=µV).

Variables	Situation	Pre-test	Post-test
F3^a*	Hand Obs	0.64 ± 0.14	0.57 ± 0.20
F3^a*	Mirror Obs	0.52 ± 0.17	0.53 ± 0.19
F4^a*	Hand Obs	0.67 ± 0.16	0.60 ± 0.18
F4^a*	Mirror Obs	0.59 ± 0.19	0.61 ± 0.19
C3	Hand Obs	0.53 ± 0.15	0.55 ± 0.21
C3	Mirror Obs	0.51 ± 0.14	0.52 ± 0.20
C4	Hand Obs	0.56 ± 0.18	0.59 ± 0.19
C4	Mirror Obs	0.53 ± 0.16	0.56 ± 0.17
O1^a**	Hand Obs	0.52 ± 0.20	0.45 ± 0.21
O1^a**	Mirror Obs	0.36 ± 0.18	0.33 ± 0.17
O2^a**	Hand Obs	0.53 ± 0.16	0.46 ± 0.22
O2^a**	Mirror Obs	0.32 ± 0.07	0.35 ± 0.19

Values are means ± SD. *p<0.05, **p<0.01. ^aSignificant difference between Hand Obs and Mirror Obs. ^bSignificant difference between Pre-test and Post-test. Hand Obs: hand observation, Mirror Obs: mirror observation