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Figure 4 | Journal of NeuroEngineering and Rehabilitation

Figure 4

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

Figure 4

Anisotropic conductivity of the brain tissues. The anisotropic properties of the conductivity of skull and white matter tissues. The anisotropic properties of the conductivity of skull and white matter tissues. (a) The skull consists of 3 layers: a spongiform layer between two hard layers. The conductivity tangentially to the skull surface is 10 times larger than the radial conductivity. (b) White matter consist of axons, grouped in bundles. The conductivity along the nerve bundle is 9 times larger than perpendicular to the nerve bundle.

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