1. Doing it on fsaverage is fine.
2. You can run mris_inflate -w 1 -scale 1 lh.white lh.inflated
and it will generate a snapshot every step of the integration so you can
pick which one you want.
cheers
Bruce
On Mon, 2 Jun
2014, Zixuan Yang wrote:
Dear Freesurfer experts,
I would like to overlay the significance map and gamma.mgh map from cortical
thickness GLM on a semi-inflated surface according to one previous post in
the mailing list (shown as below) by using the command (shown) under the
directory of fsaverage.
https://mail.nmr.mgh.harvard.edu/pipermail//freesurfer/2009-November/012445
.html
mris_inflate -n <steps> lh.white lh.partially_inflated
My questions are:
1) Is it right to generate semi-inflated surface under fsaverage file?
Or, I need to generate a semi-inflated surface for each subject (n>500) and
make an average surface? How?
2) I tried different ‘n’, the new generated surface while n=5, 10 or 55
didn’t look different at all! Is this normal? It did look very different
from lh.white though.
3) Why the generated surface can only be open using tksurfer toolbox,
but not a similar command like below?
tksurfer fsaverage lh inflated -overlay ./directory_path/gamma.mgh
Many thanks for your attention and looking forward to your answers.
Best regards,
Zixuan
--
Zixuan YANG
Ph.D candidate
Centre for Healthy Brain Ageing (CHeBA)
School of Psychiatry, UNSW Medicine
NPI, Euroa Centre, Barker Street, Randwick
NSW 2031 AUSTRALIA
T: +61 (2) 9385 0427
W: www.cheba.unsw.edu.au
E: z.y...@student.unsw.edu.au
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