Table 4.
Imaging Protocol.
| Scan Type | Time Acquisition (min:sec) | Slices | % FOV Phase | Resolution (mm) | matrix | TR (ms) | TE (ms) | Flip Angle (°) | Multi Band Accel | Phase Partial Fourier | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T1-weighted (MPRAGE) | 4 m:18 s | 176 | 96% | 1 × 1 × 1 | 256 × 256 | 1900 | 2.52 | 9 | N/A | off | TI (ms) = 900 |
| T2 FLAIR | 3 m:02 s | 44 | 75% | 1 × 1 × 3 | 256 × 192 | 900 | 106 | 180 | N/A | off | TI (ms) = 2500 |
| DTI | 5 m:43 s | 64 | 84.90% | 2 × 2 × 2 | 106 × 90 | 2400 | 87 | 90 | 4 | 6/8 | 128 directions; b = 1500 s/mm2; 9 b0 images |
| R-fMRI (m-645) | 9 m:46 s | 40 | 100% | 3 × 3 × 3 | 74 × 74 | 645 | 30 | 60 | 4 | off | |
| R-fMRI (mb-1400) | 9 m:45 s | 64 | 100% | 2 × 2 × 2 | 112 × 122 | 1400 | 30 | 65 | 4 | 6/8 | |
| R-fmri (sb) | 5 m:05 s | 38 | 100% | 3 × 3 × 3 | 72 × 72 | 2500 | 30 | 80 | sb | off | |
| Visual Checkerboard Stimulation (mb 645) | 2m41s | 40 | 100% | 3 × 3 × 3 | 74 × 74 | 645 | 30 | 60 | 4 | off | |
| Visual Checkerboard Stimulation (mb 1400) | 2m27s | 64 | 100% | 2 × 2 × 2 | 112 × 112 | 1400 | 30 | 64 | 4 | 6/8 | |
| Breath Holding | 4m30s | 64 | 100% | 2 × 2 × 2 | 112 × 112 | 1400 | 30 | 65 | 4 | 6/8 | |
| pCASL | 5m15s | 24 | 100% | 3.4 × 3.4 × 4.2 | 64 × 64 | 3800 | 17 | 90 | N/A | 7/8 | Label offset = 80 mm, post label delay = 1000 ms |
| T2 SPACE | 3m52s | 176 | 100% | 1 × 1 × 1 | 256 × 256 | 3200 | 305 | varies | N/A | off |
*iso – Isotropic, * mb – Multi Band, * sb – Single Band, * pCASL – Pseudo-Continuous Arterial Spin Labeling. Full printouts of the imaging protocols can be downloaded here: http://fcon_1000.projects.nitrc.org/indi/enhanced/mri_protocol.html.