Hi Han
the files ?h.curv contain the spatially smoothed mean curvature. You can compute the mean or Gaussian (or principal) curvatures of any surface using the mris_curvature command.
cheers Bruce
On Fri, 16 Sep 2016, Hanbyul Cho wrote:
Dear FreeSurfer Team,
I heard that FreeSurfer could calculate the Gaussian curvature and Mean curvature by vertex level.
Do the computed curvature values be saved as the subject/surf/lh.curv or rh.curv files?
When I prepared the generated mass-univariate data, I used the mris_preproc with [--meas curv] option, not [--meas thickness].
mris_preproc --qdec-long qdec.table.dat --target study_average --hemi lh --meas curv--out lh.curv.mgh
I wonder this option is right usage to analyze the cortical curvature. And I wonder the 'curv' is what specific value is meaning.
If I want to designate the specific curvature values(Gaussian or Mean curvature ) to analyze by vertex level, how can I use the [--meas] option?
Thank you,
Best wishes,
Han.