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Spatial mapping of translational diffusion coefficients using diffusion tensor imaging: A mathematical description
2014
Concepts in magnetic resonance. Part A, Bridging education and research
In this article, we discuss the theoretical background for diffusion weighted imaging and diffusion tensor imaging. Molecular diffusion is a random process involving thermal Brownian motion. In biological tissues, the underlying microstructures restrict the diffusion of water molecules, making diffusion directionally dependent. Water diffusion in tissue is mathematically characterized by the diffusion tensor, the elements of which contain information about the magnitude and direction of
doi:10.1002/cmr.a.21288
pmid:27441031
pmcid:PMC4948124
fatcat:o7vvzbfawvfa3aazysx46swpsu