On 12/13/2023 7:47 AM, Dawn Matthews wrote:
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Hello Freesurfer team and thank you for your continued responses to
questions. My questions pertain to mri_cc, and subsegmentation of the
corpus callosum. In prior runs of version 6.0, it seems that aseg
outputs the subregions of the corpus callosum. The option for mri_cc
also identifies those segments, and (Question 1) I wondered if in
version 7.4 how that differs from what aseg normally outputs?
It should do the same thing
In addition, (Question 2) with the -f flag to include the fornix, does
this mean that the fornix is incorporated into the five subvolumes, or
is the fornix volume calculated separately?
I've not used this, so I don't know how it would work. You can run
mri_sclimbic_seg to get an actual fornix segmentation
(Question 3), For the option to set a different number of
segmentations, how does that translate into the five ‘default’
segments (e.g. Anterior, Mid-Anterior, Central, Mid-Posterior,
Posterior). Again, thank you for the team’s continued work.
I think it just divides it up in to more-or-less equal sized segments.
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