Table 1.

Tissue electrical conductivities (S/m) used in the model

Tissue	Conductivity	Tissue	Conductivity
Skin	0.43	Lens	0.32
Muscle	0.32	Eyeball	0.5
Skull compacta	0.0063	Sclera	0.5
Skull spongiosa	0.04	Spinal cord	0.15
Cerebrospinal fluid (CSF)	1.79	Vertebrae	0.012
Gray matter	0.33	Optic nerve	0.14
White matter (iso.)	0.14	Sinus	0