Hi, there,
I have some problem for the hippocampus segmentation results.
1. My structural data are originally in par-rec file. I used r2agui to convert them into .nii format, then use recon-all -i to convert the .nii data into freesurfer .mgz format. Based on these operations, I run recon-all -all on all my data, the statistical report show that the mean left hippocampus volume is bigger than the right one, while literature shows that the right one should be bigger. This problem continuously appeared in our different studies. I am not sure whether it is r2agui's problem, which changed the oritation of the structural data. Do you have any idea?
2. After autosegmentation, we did a statistical comparison analysis between automatic segmentation and manual segmentation, and the correlation is quite low, less than 80%, which is not acceptable for us.
3. Can I edit the auto segmentation results in Freesurfer if we think the auto segmen! tation is not good enough in some area?
I will be really appreciated for your help.
Aize
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