Hello FS developers/users, I have a two part question regarding subcortical segmentation:
1) To visually inspect if segmentation accurately captures structure boundaries (e.g., amygdala) I am using the norm.mgz file and overlaying it with the aseg.mgz file in Freeview. Is this correct? Or should I be using brainmask.mgz (instead of norm.mgz)? Also, Freeview gives me some options - "Resample to standard RAS space" and "Apply registration file". Where can I find information about whether or not to use these options? 2) If I manually edit the boundaries of the amygdala (either by erasing voxels or using the color brush to add voxels), what command should I use to re-run such that the corrections are applied to my aseg.stats output? The command I found on the wiki page says to use recon-all -autorecon-2-noaseg -subjid <Subj_ID>. My understanding was that the -noaseg flag will skip all the subcortical segmentation steps and that is not what I want. What I want is for FS to re-run subcortical segmentation such that it reflects the voxel editing I did in Freeview. This is the first time I am doing something like this so any help you can provide or pointing me to the right resource would be great! Thank you! Reema -- *Reema Jayakar, M.A.* Doctoral Candidate - Clinical Neuropsychology Health Resources and Services Administration (HRSA) Fellow Department of Psychology Georgia State University Email: rjayak...@student.gsu.edu
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