TABLE 1.
Main parameters of the DTD SPEN acquisitions
| Total acquisition time | 2 h 25 min |
|---|---|
| Echo time | 59 +/− 11.5 ms |
| Repetition time | 1 s |
| Interleaved segments | 3 |
| Number of scans | 8 |
| Field of view | 13 × 17 × 0.7 mm3 |
| Matrix size | 180 × 174 × 1 |
| Readout regridded points (effective) | 132 |
| Spatial resolution | 99 × 98 × 700 μm3 |
| Readout bandwidth | 455 kHz |
| Second dimension bandwidth | 10.450 kHz |
| Chirp duration | 11.5 ms |
| Number of images | 364 |
| Number of b 0 images | 4 (one per b shape) |
| Diffusion waveform duration | 18 ms |
| b‐values | 0.042, 0.173, 0.388, 1.080, 2.116 and 3.499 x 109 s/m2 |
| b Δ | −0.5, 0, 0.5 and 1 |
| Number of b‐tensor directions | 15 |
| Linewidth at 50% | 60 Hz |
| Press shim FOV | 5 × 8 × 1 mm3 |
| SNR of the b 0 image | 26 |