Hi Dorian
you don't need to combine them in any specific way if all you want is to
look at ROI-based stats. Just take the ones from each atlas that you
like.
cheers
Bruce
On Mon, 23 Jun 2014, Dorian P. wrote:
Dear Freesurfer followers/developers,
I am doing a study involving temporal lobes and the parcellations from
Desikan and Destrieux atlases have very different results. I like the full
gyrus parcellation of Desikan but the temporal pole is very small and
limited, while in Destriux the temporal pole is bigger and more appropriate
to be studied separately. My question is: can I combine parcellations from
these atlases? I.e., if I subtract the temporal pole from Destriuex from the
map of Desikan, will I take off all the anterior temporal pole gray matter,
or is there any potential mismatch between parcellations so there will
remain voxels in the anterior temporal lobe?
Thank you.
P.s. One less important question I have is this. I have noticed that
wmparc.mgz is the same as aparc+aseg.mgz with the addition of white matter
parcels. For Destrieux there is only the aparc.a2009s+aseg.mgz. Does this
file have also the WM parcellation?
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