Table 2 MRI acquisition details
Sequence | T1W | T2W | FLAIR | fMRI BOLD | pcASL | DWI |
|---|---|---|---|---|---|---|
Voxel size (mm) | 0.85 × 0.85 × 0.85 | 0.85 × 0.85 × 0.85 | 1.0 × 1.0 × 1.0 mm | 3.00 × 3.05 × 3.00 | 3.00 × 3.08 × 6.00 | 2.00 × 2.04 × 2.00 |
FoV (mm) | 245 × 245 × 208 | 1245 × 245 × 190 | 256 × 256 × 202 | 192 × 192 × 126 | 240 × 240 × 126 | 224 × 224 × 100 |
TR (ms) | 7000 | 2500 | 4800 | 2490 | 4607 | 7700 |
TE (ms) | 3.3 | 265 | 314 | 30 | 18 | 64 |
Flip angle | 8° | 35° | 40° | 80° | 90° | 90°/180° |
Acquisition time (min:sec) | 05:40 | 06:32 | 05:40 | 05:06a | 09:26 | 05:31 + 0:53 |
Readout method (EPI, FEE, TFE, TSE) | TFE 243 | TSE 133 | TSE 182 | FFE/EPI | FFE/EPI | PGSE/EPI |
SENSE/TSE/halfscan factor | SENSE 2 (AP) | SENSE 2 (AP), 1.8 (RL) | SENSE 1.8 (AP), 1.9 (RL) | n.a | SENSE 2.0 (AP) | Halfscan factor 0.8 SENSE 2 (AP) |
Other |  |  | Inversion time: 1650 ms | Monitoring of respiration and pulse (PhysioLog) | Post-label delay: 2 s | b = 1000 s/mm2 (gradient ampl. = 62mT/m, duration = 12.5 ms, separation = 27.5 ms) 40 gradient directions and 6 interleaved b = 0 Additional 5 b = 0 scans in the AP-PA direction every five condition |