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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.

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

   ED1
   Unregularised
  SNR/dB 5 10 15 25
  Layer     
WMN Surface 5.71 ± 0.49 3.75 ± 0.36 2.36 ± 0.27 1.18 ± 0.04
  Middle 7.21 ± 0.42 6.58 ± 0.52 5.11 ± 0.37 2.74 ± 0.18
  Deep 6.76 ± 0.39 6.72 ± 0.35 6.46 ± 0.39 4.98 ± 0.33
sLORETA Surface 4.47 ± 0.43 2.05 ± 0.31 0.81 ± 0.13 0.04 ± 0.03
  Middle 6.46 ± 0.42 4.76 ± 0.43 2.12 ± 0.34 0.11 ± 0.05
  Deep 6.48 ± 0.37 6.01 ± 0.50 3.68 ± 0.64 0.15 ± 0.11
LORETA Surface 5.49 ± 0.46 3.59 ± 0.39 2.03 ± 0.25 1.32 ± 0.02
  Middle 6.23 ± 0.41 5.54 ± 0.48 3.64 ± 0.44 1.14 ± 0.09
  Deep 5.78 ± 0.37 5.64 ± 0.37 5.30 ± 0.41 2.69 ± 0.39
SLF Surface 6.38 ± 0.39 5.17 ± 0.36 3.65 ± 0.36 2.17 ± 0.14
  Middle 5.91 ± 0.45 5.35 ± 0.44 3.92 ± 0.41 1.92 ± 0.17
  Deep 5.31 ± 0.49 5.08 ± 0.43 4.46 ± 0.55 1.95 ± 0.46