Power Spectral Density and Functional Connectivity Changes due to a Sensorimotor Neurofeedback Training: A Preliminary Study

Table 1

Electrodes and frequencies trained by each participant of all groups and the mean coefficient of determination () values of these features obtained in the screening session.

	Electrodes	Frequencies (Hz)	Mean
SMR group
#1	C3 CP5 CP1	14-17	0.1378
#2	FC1 C3 CP1	20-23	0.1394
#3	C3 CP5 CP1	10-13	0.5856
#4	C4 CP2 CP6	20-23	0.1792
#5	C4 CP2 CP6	17-20	0.2240
#6	FC2 FC6 C4	17-20	0.1718
#7	C3 CP5 CP1	17-20	0.1673
#8	C4 CP2 CP6	20-23	0.0928
#9	C4 CP2 CP6	20-23	0.2347
#10	C4 CP2 CP6	20-23	0.1859
SHAM group
#11	C3 CP5 CP1	20-23	0.0643
#12	C3 CP5 CP1	15-18	0.2394
#13	C4 CP2 CP6	20-23	0.1769
#14	C4 CP2 CP6	15-18	0.4980
#15	C3 CP5 CP1	20-23	0.0493
#16	C3 CP5 CP1	10-13	0.1024
#17	FC2 FC6 C4	12-15	0.2008
#18	C4 CP2 CP6	20-23	0.1053
#19	C4 CP2 CP6	10-13	0.0303
#20	C3 CP5 CP1	15-18	0.1008
OCC group
#21-30	O1 Oz O2	12-15	—