Table 1:
Scan parameters of the 7T MRI protocol
| Pulse Sequence | DESPOT1 | DESPOT2 | T2* Map |
|---|---|---|---|
| TR/TE1/TE2 (ms) | 16/4.3/– | 36/18/– | 53/6/26 |
| Flip angle | 11°/44° | 12°/62° | 29° |
| No. of sections | 153 | 153 | 153 |
| FOV (mm) | 150 × 150 × 20 | 150 × 150 × 20 | 150 × 150 × 20 |
| Acquisition matrix | 1152 × 1154 | 1152 × 1152 | 1152 × 1154 |
| Acquired voxel size (mm) | 0.13 × 0.13 × 0.13 | 0.13 × 0.13 × 0.13 | 0.13 × 0.13 × 0.13 |
| Bandwidth (Hz/pixel) | 165 | 41 | 101 |
| TFE factor | 1154 | 1152 | 1154 |
| Repeated scans | 4 | 3 | 1 |
| Acquisition time | 06 hr 21 min 28 sec | 11 hr 07 min 34 sec | 02 hr 00 min 53 sec |
Note:—TFE indicates turbo field echo.