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The conductivity specifications for 8 tissue types in the head model.
| Tissue type | Conductivity (S/m) | Notes |
|---|---|---|
| Scalp | 0.33 | [32, 37] |
| Skull | min = 0.0064 (hard bone) max = 0.0259 (soft bone) |
Based on CT [38]. Linear scaling of HU units between min and max [27, 39]. |
| CSF | 1.79 | [32, 37] |
| GM | 3×3 tensors. | Based on DTI [40–42]. |
| WM | 3×3 tensors. | Based on DTI [40–42]. |
| Eye | 0.40 | [43] |
| Internal air | 1e-15 | [31] |
| Electrode sponge | 1.4 | [44] |
