Re: [Freesurfer] Question about global mean cortical thickness

Dear FS experts,  TESTTEST_age_only.fsgd Description: Binary data I met an error when I try to run mris_preproc. Actually i succeeded this command with my own scripts and fsgd files before. There are 2groups with one covariates but I keep getting this error like below. mris_preproc --fsgd

Re: [Freesurfer] Question about global mean cortical thickness

By default the white matter, but you can compute the pail area if you want Cheers Bruce > On Aug 13, 2017, at 8:21 PM, Zhiliang Long <15756307...@163.com> wrote: > > Hi Bruce >Thanks very much for your suggestion. Just one more question that I am > confused with. Is the surface area

[Freesurfer] Combining Results of Per-Run GLM?

Hello, I am trying to do a GLM analysis for a study in which I scanned each participant twice. Currently, to combine the two scanning sessions I am combining the runs from the two sessions into a single session directory and applying per-session motion correction, essentially treating all the

Re: [Freesurfer] Question about global mean cortical thickness

Hi Bruce Thanks very much for your suggestion. Just one more question that I am confused with. Is the surface area calculated based on the white matter surface or pial surface ? Thanks for your time. Best Zhiliang At 2017-08-13 22:47:07, "Bruce Fischl"

[Freesurfer] Post-Doctoral Position: Molecular Imaging in Geriatric Neuropsychiatry

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Re: [Freesurfer] Question about global mean cortical thickness

Hi Zhiliang the thickness is the average of the min distance from gray-to-white and white-to-gray at each vertex. The surface area is the average area of the triangles attached to a vertex (divided by 3 I think). cheers Bruce On Sun, 13 Aug 2017, Zhiliang Long wrote: Dear FS experts: