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Table 7 Error measure ED2 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.

From: Review on solving the inverse problem in EEG source analysis

   ED2
   Regularised
  SNR/dB 5 10 15 25
  Layer     
WMN Surface 34.79 ± 1.74 25.88 ± 1.02 17.14 ± 0.71 6.91 ± 0.23
  Middle 35.74 ± 1.75 31.41 ± 1.87 25.6 ± 1.30 12.04 ± 0.57
  Deep 34.72 ± 2.50 31.14 ± 2.29 25.86 ± 2.32 16.75 ± 1.70
sLORETA Surface 1.02 ± 0.10 0.49 ± 0.08 0.11 ± 0.04 0.00 ± 0.00
  Middle 1.62 ± 0.13 0.84 ± 0.11 0.25 ± 0.07 0.00 ± 0.00
  Deep 1.80 ± 0.25 0.95 ± 0.16 0.39 ± 0.13 0.00 ± 0.00
LORETA Surface 6.33 ± 0.57 4.56 ± 0.25 3.97 ± 0.16 3.66 ± 0.07
  Middle 4.30 ± 0.46 3.16 ± 0.28 2.63 ± 0.20 1.79 ± 0.13
  Deep 4.20 ± 0.53 2.71 ± 0.36 2.42 ± 0.33 1.67 ± 0.14
SLF Surface 6.85 ± 0.46 5.79 ± 0.44 4.82 ± 0.31 3.52 ± 0.20
  Middle 5.92 ± 0.65 5.38 ± 0.58 4.58 ± 0.46 3.01 ± 0.22
  Deep 5.25 ± 0.84 5.03 ± 0.75 4.44 ± 0.75 2.27 ± 0.42