Scan-rescan Reproducibility of Myelin Sensitive MRI Techniques

"Acquisition of 3 myelin sensitive MRI scans as follows: 1. Two MRI during 1 day; the second after 30 min interval and a repositioning.~2\. One MRI within one week after the first one.~The total scan time will be \~ 1 hour. T1 maps will be calculated after magnetization-prepared 2 rapid acquisition gradient echoes (MP2RAGE6) acquisition based on a product sequence. Magnetization Transfer (MT) sat maps will be calculated. Quantitative susceptibility mapping (QSM) maps will be reconstructed using an in-house implementation of the structural feature based collaborative reconstruction algorithm (SFCR). For the reconstruction of multi-shell diffusion data, AMICO10 Accelerated Microstructure Imaging via Convex Optimization (AMICO) from diffusion MRI data will be used. Myelin Water Fraction maps will be fitted voxel-wise using a Non-Negative Least Squares fitting."