Hello,
I have created right and left hippocampal ROIs from subject-specific T1 with freesurfer and would like to come up with a way to segment the hippocampus into anterior and posterior segments. I am transforming the ROI into diffusion image space at which point I extract diffusion values via these anterior and posterior hippocampal ROI's.
I am trying to determine how to segment the anterior and posterior portion of these hippocampal ROIs? Would it be possible to find the COG of the ROIs and then somehow segment them in two along a perpendicular plane or coordinate, say the y-coordinate? If so how would I best do this? Can I use fslstats to find COG in ROIs that are in subject-specific space? How would I best go about segmenting the ROIs along a coordinate axis after this step?
Best,
Daniel Callow
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