Anders Dyhr Sandgaard

dMRI diffusion MRI DNR diffusion-narrowing regime (homogenous broadened spectral lineshape) FA fractional anisotropy fODF fiber orientation distribution function GLTA generalized Lorentzian tensor approach GM gray matter MBP myelin basic protein MD mean diffusivity MW myelin water PLP proteolipid protein QSM quantitative susceptibility mapping RMSE root-mean-squared error SNR signal-to-noise ratio STI susceptibility tensor imaging WM white matter 1 INTRODUCTION The Larmor frequency of an...

2.6 Larmor frequency of infinite solid cylinders with arbitrary orientation dispersion In this section we apply our framework (Equation 18) to a specific system consisting of a population of randomly placed infinitely long solid cylinders with scalar susceptibility, and with arbitrary orientation dispersion and radii, as illustrated in Figure 2. The derivation will mainly be qualitative, while a full analytical derivation of the simplified passages can be found in Appendix B.

ASE asymmetric spin echo BIC Bayesian information criterion CC corpus callosum CG cingulum bundle Contra contralateral COM center of mass dMRI diffusion MRI EM electron microscopy fODF fiber orientation distribution function GM gray matter Ipsi ipsilateral MC Monte Carlo MGE multigradient echo NRMSE normalized root-mean-square error PGSE pulsed-gradient spin echo QSM quantitative susceptibility mapping SD standard deviation SE spin echo SM standard model of diffusion in white matter STI...