Table 1.
MRI acquisition information for the study images
| Chimpanzee | Human | |
|---|---|---|
| n | 30 | 30 |
| Male–female | 14–16 | 13–17 |
| MRI scanner | 3T Siemens Trio, CP Head Coil | 3T Siemens Trio, CP Head Coil |
| Sequence | MPRAGE T1-weighted | MPRAGE T1-weighted |
| TR | 2300 ms | 2300 ms |
| TE | 4.4 ms | 4.4 ms |
| TI | 1100 ms | 1100 ms |
| Flip angle | 8 | 8 |
| NEX | 3 | 1 |
| FOV | 200 × 200 mm | 200 × 200 mm |
| In-plane resolution | 0.625 × 0.625 mm | 0.625 × 0.625 mm |
| Slice thickness | 0.6 mm | 1.0 mm |
| Data matrix size | 320 × 320 | 320 × 320 |
| Slices | 192 | 192 |
| Acquisition time | 36 min | 12 min |
TR, Repetition time; TE, echo time; IT, inversion time; NEX, number of excitations; FOV, field of view.