Table 5 Error measure ED1 for the four inverse algorithms, with regularization, under four different noise levels: 25 dB, 15 dB, 10 dB and 5 dB. Each cell value gives the mean and standard deviation.

WMN

3.46 ± 0.42

2.10 ± 0.28

1.34 ± 0.11

1.13 ± 0.03

5.08 ± 0.50

3.94 ± 0.38

2.95 ± 0.21

2.40 ± 0.03

5.91 ± 0.39

5.31 ± 0.36

4.61 ± 0.24

3.89 ± 0.15

sLORETA

0.99 ± 0.1

0.49 ± 0.08

0.11 ± 0.04

0.00 ± 0.00

1.61 ± 0.13

0.84 ± 0.11

0.25 ± 0.07

0.00 ± 0.00

1.79 ± 0.25

0.95 ± 0.16

0.39 ± 0.13

0.00 ± 0.00

LORETA

2.32 ± 0.08

2.18 ± 0.04

2.16 ± 0.03

2.21 ± 0.02

1.51 ± 0.13

1.15 ± 0.08

0.95 ± 0.07

1.05 ± 0.06

2.30 ± 0.21

1.81 ± 0.13

1.59 ± 0.11

1.53 ± 0.09

SLF

5.27 ± 0.30

4.50 ± 0.28

3.81 ± 0.20

2.98 ± 0.13

4.53 ± 0.39

4.09 ± 0.35

3.50 ± 0.31

2.51 ± 0.15

3.89 ± 0.55

3.70 ± 0.45

3.27 ± 0.48

1.73 ± 0.30