Table 1. The optimized MP2RAGE parameters.
Voxel size (matrix) | Scan | Acc. | Partial Fourier | TR (s) | Nz | α1 (°) | α2 (°) | TI1 (s) | TI2 (s) | Scan time |
---|---|---|---|---|---|---|---|---|---|---|
1mm3 (192 × 192 × 176) | A | Ry =3 | N/A | 6.0 | 176 | 3 | 5 | 0.9 | 2.3 | 8:30 |
B | Ry =3 Rz =2 | N/A | 5.0 | 104 | 5 | 6 | 1.0 | 2.2 | 7:05 | |
C | Ry =3 Rz =2 | N/A | 4.0 | 104 | 4 | 8 | 0.8 | 1.7 | 5:40 | |
D | Ry =3 Rz =2 | N/A | 3.0 | 104 | 4 | 8 | 0.6 | 1.4 | 4:15 | |
(0.75 mm)3 (256 × 256 × 240) | E | Ry =3 | 6/8 | 6.0 | 180 | 3 | 5 | 0.9 | 2.3 | 10:36 |
F | Ry =3 Rz =2 | 6/8 | 6.0 | 106 | 5 | 6 | 1.0 | 2.5 | 10:36 | |
G | Ry =3 Rz =3 | N/A | 6.0 | 101 | 6 | 8 | 1.0 | 2.4 | 10:36 |