Table 4 Error measure ED1 for the four inverse algorithms, without 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

5.71 ± 0.49

3.75 ± 0.36

2.36 ± 0.27

1.18 ± 0.04

7.21 ± 0.42

6.58 ± 0.52

5.11 ± 0.37

2.74 ± 0.18

6.76 ± 0.39

6.72 ± 0.35

6.46 ± 0.39

4.98 ± 0.33

sLORETA

4.47 ± 0.43

2.05 ± 0.31

0.81 ± 0.13

0.04 ± 0.03

6.46 ± 0.42

4.76 ± 0.43

2.12 ± 0.34

0.11 ± 0.05

6.48 ± 0.37

6.01 ± 0.50

3.68 ± 0.64

0.15 ± 0.11

LORETA

5.49 ± 0.46

3.59 ± 0.39

2.03 ± 0.25

1.32 ± 0.02

6.23 ± 0.41

5.54 ± 0.48

3.64 ± 0.44

1.14 ± 0.09

5.78 ± 0.37

5.64 ± 0.37

5.30 ± 0.41

2.69 ± 0.39

SLF

6.38 ± 0.39

5.17 ± 0.36

3.65 ± 0.36

2.17 ± 0.14

5.91 ± 0.45

5.35 ± 0.44

3.92 ± 0.41

1.92 ± 0.17

5.31 ± 0.49

5.08 ± 0.43

4.46 ± 0.55

1.95 ± 0.46