Direct-Current Electric Field Distribution in the Brain for Tumor Treating Field Applications: A Simulation Study

Table 1

Dielectric properties, densities, and heat capacities of various brain tissues relevant to numerical simulations. Data obtained from the Foundation for Research on Information Technologies in Society (https://www.itis.ethz.ch/virtual-population/tissue-properties/database/dielectric-properties/).

	Conductivity; σ (S/m)	Relative permittivity	Density D (kg/m^3)	Heat capacity (J/kg°C)
Scalp	0.00105	1100	1109	3391
Skull	0.0529	295.5	1543	1793
Dura	0.502	290	1174	3364
Cerebrospinal fluid	2	109	1007	4096
Brain	0.108	1578	1043	3628

at 200 kHz.