Dear FSL users
I am looking at the corticospinal tracts from midbrain to
precentral gyri. What I did were as follows: I first drew a seed mask at
the cross section of corticospinal tracts at the level of pons.
Then, I drew cortical masks at the precentral gyri. There is also a
waypoint mask at the posterior part of internal capsules between these two
masks.
My questions are:
1) How can I visualize the tracts that *only*
reached the precentral gyri cortical masks? I was trying to use
the cortical masks as the waypoint masks as well as target masks but
only found some of the tracts were passing though them, not showing what I want
to see. I am also thinking to use the cortical masks as the seed
mask and use the corticospinal mask (original seed mask) as the target mask
to track the tracts. But I think I need advice from
experts before I do them in batch.
2) Is the total number saved in
"seed_to_mycorticalmasks.nii.gz" (extracted by using the mean of the total
* number of voxels) a good way to quantify the strength of the paths between my
seed mask and cortical target masks?
Thank you
Longchuan Li
