Anisotropic Conductivity Tensor Imaging using a Combination of MREIT and DTI

Magnetic resonance electrical impedance tomography (MREIT) is an emerging method to visualize static conductivity and/or current density images at low frequencies (below 1 kHz). Diffusion tensor imaging (DTI) measures the intrinsic three-dimensional diffusion property of water molecules within the human body. The effective macroscopic anisotropic tensor model implies the linear relationship between the effective electrical conductivity tensor and the water diffusion tensor. By assigning the linear relation, we propose a novel method to visualize the absolute anisotropic conductivity tensor map by combining DTI and MREIT techniques without any referred extracellular conductivity and diffusivity information.

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