Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6

Brain tissue dielectric properties
| Brain layer | Thickness | Conductivity (S/m) | |
|---|---|---|---|
| (a) | Skin (wet) | 0.5 mm | 0.001 |
| Fat | 1 mm | 0.05 | |
| Skull | 7 mm | 0.05 | |
| Dura mater | 0.5 mm | 0.0025 | |
| Arachnoid mater and CSF | 40 μm | 2 | |
| Pia mater | 0.6 mm | 0.05 | |
| Grey matter | ≈ 40 mm | 0.2 |