Table 2.
Imaging parameters for the enrolled datasets
| Dataset/scanner | Modality | Sequence | TR/TE/TI (ms) | Flip angle (degree) | FOV (mm) | Matrix | Thickness/gap (mm) | Slices | Other parameters |
|---|---|---|---|---|---|---|---|---|---|
| HCP/WU‐Minn‐Ox HCP scanner | sMRI | MPRAGE | 2400/2.14/1000 | 8 | 224 × 224 | 320 × 320 | 0.7/0 | 260 | ‐ |
| dMRI | SE‐EPI | 5520/89.5 | 78 | 210 × 180 | 168 × 144 | 1.25/0 | 111 |
Multiband factor = 3 b = 1,000, 2,000, 3,000 s/mm2 Num. b0 = 6 Num. directions = 288 |
|
| rfMRI | GRE‐EPI | 720/33.1 | 52 | 208 × 180 | 104 × 90 | 2/0 | 72 | Time points = 1,200 | |
| Chinese young cohort/MR750 | sMRI | BRAVO | 8.14/3.17/450 | 12 | 256 × 256 | 256 × 256 | 1/0 | 188 | ‐ |
| dMRI | SE‐EPI | 7100/60.5 | 90 | 256 × 256 | 128 × 128 | 2/0 | 70 |
b = 1,000 s/mm2 Num. b0 = 5 Num. directions = 64 |
|
| rfMRI | GRE‐EPI | 2000/30 | 90 | 220 × 220 | 64 × 64 | 3/1 | 36 | Time points = 180 | |
| Chinese elder subset 1/Trio Tim | sMRI | MPRAGE | 2000/2.26/900 | 9 | 256 × 232 | 256 × 232 | 1/0 | 192 | ‐ |
| dMRI | SE‐EPI | 6000/85 | 90 | 256 × 256 | 128 × 128 | 3/0 | 45 |
b = 1,000 s/mm2 Num. b0 = 1 Num. directions = 64 |
|
| Chinese elder subset 2/MR750 | sMRI | BRAVO | 8.14/3.17/450 | 12 | 256 × 256 | 256 × 256 | 1/0 | 188 | ‐ |
| dMRI | SE‐EPI | 7100/60.5 | 90 | 256 × 256 | 128 × 128 | 2/0 | 70 |
b = 1,000 s/mm2 Num. b0 = 10 Num. Directions = 64 |
|
| Chinese elder subset 3/MR750 | sMRI | BRAVO | 8.16/3.18/450 | 12 | 256 × 256 | 256 × 256 | 1/0 | 188 | ‐ |
| dMRI | SE‐EPI | 7100/60.5 | 90 | 256 × 256 | 128 × 128 | 2/0 | 70 |
b = 1,000 s/mm2 Num. b0 = 10 Num. directions = 64 |
|
| Chinese elder subset 4/Signa HDx | sMRI | BRAVO | 8.16/3.12/450 | 13 | 256 × 256 | 256 × 256 | 1/0 | 176 | ‐ |
| dMRI | SE‐EPI | 10,000/64.7 | 90 | 256 × 256 | 128 × 128 | 3/0 | 45 |
b = 1,000 s/mm2 Num. b0 = 3 Num. Directions = 55 |