But how can I explain the differences just for the left-hippocampus values in Freesurfer? Comparing percent volume difference between Freesurfer-Manual and FSL-Manual, the percent is bigger in left-hippocampus for Freesurfer-Manual. And according to the literature (Morey et al.) the percent volume difference for Freesurfer-Manual is always smaller than FSL-Manual as you can see in Fig. 5 of that article.
| FSL | Manual |
Freesurfer |
|
HD | HE | HD |
HE | HD | HE |
|
3810.741698 | 3382.601803 | 3355.5 |
3007.5 | 3705 | 3721 |
|
3409.829467 | 2860.187224 | 2868 |
2653.5 | 3382 | 3331 |
|
| | |
| | |
|
3306.409891 | 3381.885156 |
3025.5 | 3001.5 | 3358 |
3575 |
| 3794.767147 |
2907.559116 | 2880 | 2769 |
3651 | 3474 |
|
4521.450897 | 4587.515346 |
3642 | 3468 | 4049 |
4113 |
| 3794.638317 |
3841.111348 | 3042 | 3066 |
4061 | 4242 |
|
| | |
|
|
| 4772.512671 |
4028.949924 |
3570 | 3496.5 | 4812 |
4801 |
| |
| | |
| |
|
4025.037115 | 3833.11259 |
3772.5 | 3513 | 4094 |
4224 |
| |
| | |
| |
|
? | ? | 3196.5 |
2704.5 | ? | ? |
|
| | |
| | |
|
2900.838938 | 2705.713765 |
2526 | 2466 | 3184 |
2820 |
| 3607.996048 |
3061.21013 | 2749.5 |
2589 | 3852 | 3591 |
|
| | |
| | |
|
3694.401205 | 3343.946802 |
2682 | 2559 | 3530 |
3507 |
| 4562.195757 |
4484.215251 | 3156 |
3286.5 | 4114 | 4599 |