Table 2 Technical details of the MRI protocol used for the TRACK-PD study
From: The TRACK-PD study: protocol of a longitudinal ultra-high field imaging study in Parkinson’s disease
Weighting | Sequence | TE (ms) | TR (ms) | TI (ms) | Flip angle (°) | FoV (mm) | Resolution (mm3) (x-y-z) | Slices | Orientation |
|---|---|---|---|---|---|---|---|---|---|
T1 | MP2RAGE | 2.51 | 5000 | 900, 2750 | 5 and 3 | 208 | 0.65 × 0.65 × 0.65 | 240 | Sagittal |
SA2RAGE | 0.78 | 2400 | 58, 1800 | 4 and 10 | 256 | 2.0 × 2.0 × 2.0 | 88 | Sagittal | |
T2* | GRE | 2.49, 6.75, 13.50, 20.75 | 33 | – | 12 | 204 | 0.5 × 0.5 × 0.5 | 96 | Axial |
Neuromelanin | MTW TFL | 4.08 | 538 | – | 8 | 192 | 0.4 × 0.4 × 0.5 | 60 | Axial |
Diffusion | EPI | 60.6 | 7000 | – | 90 | 192 | 1.5 × 1.5 × 1.5 | 80 | Axial |
fMRI | BOLD | 18.6 | 2000 | – | 70 | 200 | 1.25 × 1.25 × 1.25 | 92 | Axial |