Table 1 Imaging parameters of volumetric sequences.
Sequence name | MPRAGE | MPRAGE | SPACE |
|---|---|---|---|
Orientation | Sagittal | Sagittal | Sagittal |
TR (ms) | 2400 | 2400 | 3200 |
TE (ms) | 3.44 | 3.44 | 434 |
TI (ms) | 1000 | 1000 | - |
Flip angle (degrees) | 8 | 8 | Variable T2W |
Slice width (mm) | 1.3 | 1.3 | 1.3 |
No. Slices per slab | 128 | 128 | 128 |
Slice separation (%) | 50 | 50 | |
TF | - | - | 107 |
Matrix (PE, FE) | 192 × 192 | 192 × 192 | 192 × 192 |
FOV (mm) | 250 | 250 | 250 |
Phase encoding direction | Anterior-posterior | Anterior-posterior | Anterior-posterior |
Bandwidth (Hz/Px) | 150 | 150 | 704 |
iPAT | 2 | 4 | 2 |
Total scan time (min:s) | 4:21 | 2:40 | 3:22 |