Re: [Freesurfer] convert MNI152 coordinates into vertex index

2020-05-02 Thread Thomas Yeo
External Email - Use Caution Hi Marina, If you are already downloaded our lab's repo, then this function MARS_findNV_kdTree.m ( https://github.com/ThomasYeoLab/CBIG/blob/master/external_packages/SD/SDv1.5.1-svn593/BasicTools/MARS_findNV_kdTree.m) would help. Alternatively, if you

Re: [Freesurfer] recon-all

2020-05-02 Thread jiahui
External Email - Use Caution At 2020-05-02 23:42:41, "Douglas N. Greve" wrote: Can you send your fsgd file? On 5/2/2020 10:53 AM, jiahui wrote: External Email - Use Caution Hello FreeSurfer Developers, I'm attempting to compare two groups' c

[Freesurfer] -T2pial after white matter edits

2020-05-02 Thread Octavian Lie
External Email - Use Caution Dear All, I ran recon-all on the 1st run using the -T2pial flag. After wm.mgz edits, when running recon-all autorecon2-wm -autorecon3 -T2pial volT2.mgz it throws an error ~ 'flag volT2.mgz not recognized'. When reruning recon-all as above, do we need t

Re: [Freesurfer] Question regarding design matrix/fsgd/resulting statistical tests

2020-05-02 Thread Meike Hettwer
External Email - Use Caution Hi doug, thanks for the quick response! I‘m not quite sure if I‘m getting the second part right- could you please elaborate a bit what you mean by „When there is only one numerator DOF, then the sig map is signed by the sign of the contrast (but the

Re: [Freesurfer] To normalize fMRI data in MNI152 template

2020-05-02 Thread Douglas N. Greve
Yes, that will use the CVS non-linear registration into MNI152 space. You must have run CVS on your anatomical data first. On 5/1/2020 2:54 PM, Kim, Gwang-Won wrote: Dear expert, I’ like to normalize fMRI data in MNI152 template. Is it right?: “preproc-sess -s sess01 -fsd bold -stc up -surfa

Re: [Freesurfer] Question regarding design matrix/fsgd/resulting statistical tests

2020-05-02 Thread Douglas N. Greve
A t-test is just F test with one DOF in the numerator -- they come out with the exact same p-value (assuming an unsigned t-test). When there is only one numerator DOF, then the sig map is signed by the sign of the contrast (but the p-value is still based on an unsigned test). On 5/2/2020 5:32

[Freesurfer] Question regarding design matrix/fsgd/resulting statistical tests

2020-05-02 Thread s7675854
External Email - Use Caution Dear Freesurfer experts, I have a beginner question regarding fsgd and mtx files. For example, if I have one group and am interested in the correlation between some test score and cortical thickness/surface area, controlling for age and intracran

Re: [Freesurfer] recon-all

2020-05-02 Thread Douglas N. Greve
Can you send your fsgd file? On 5/2/2020 10:53 AM, jiahui wrote: External Email - Use Caution Hello FreeSurfer Developers, I'm attempting to compare two groups' cortex, but for some of my subjects I get the following error when I run mri_glmfit \ --y rh.thickness.10.mgz \ --fsgd g3v1

Re: [Freesurfer] [External] Re: Intensity inhomogeneity messing with the wm.mgz

2020-05-02 Thread Bruce Fischl
you could I guess, but it will likely be hard, a lot of work, and not that repeatable cheers Bruce On Sat, 2 May 2020, Zeng, Victor (BIDMC - Keshavan - Psychiatry) wrote: Hi all, I was doing a little bit more researching. Could you just fix this sort of issue by editing the aparc.auto.mg

Re: [Freesurfer] [External] Re: Intensity inhomogeneity messing with the wm.mgz

2020-05-02 Thread Zeng, Victor (BIDMC - Keshavan - Psychiatry)
Sorry - made a typo, I meant the aparc.presurfs rather than the aparc.auto.mgz Victor Zeng Beth Israel Deaconess Medical Center Keshavan Lab -- From: Zeng,Victor (BIDMC - Keshavan - Psychiatry) Sent: Saturday, May 2, 2020 2:58 AM To: Freesurfer support l