Re: [Freesurfer] group analyses {Disarmed}

2020-12-13 Thread Greve, Douglas N.,Ph.D.
When you run the thickness analysis with multiple comparisons correction (mri_glmfit-sim), it will create "ocn" files. These will be clusters of the significant areas. You can use this to extract other information. If you want volume, then run mris_preproc using the --meas volume flag, the apply

Re: [Freesurfer] recon-all error {Disarmed}

2020-12-13 Thread Greve, Douglas N.,Ph.D.
Does it work on other subjects? I'm guessing this has to do with having the MNI tools properly installed. For testing purposes, can you download and run version 7 to see if it works? On 12/8/2020 12:40 PM, Devanshi jain wrote: External Email - Use Caution Hello FreeSurfer Developers,

Re: [Freesurfer] inflated surface with holes

2020-12-13 Thread Greve, Douglas N.,Ph.D.
Ths is a topological error that can be fixed with mris_fix_topology. But this does not look human ... On 12/8/2020 3:34 PM, Jie Zhao wrote: External Email - Use Caution Hello Freesurfer Team I have some questions about the inflated surface. As is shown in the attached pictures, ther

Re: [Freesurfer] Correct for sulcuses & ventricles size

2020-12-13 Thread Greve, Douglas N.,Ph.D.
On 7/11/2018 11:37 AM, John Anderson wrote: External Email - Use Caution Dear Freesurfer experts, I have two groups of subjects (healthy and patients). The patients have different degrees of atrophy. Looking into the individual scans, the subjects are largely different in the space be

Re: [Freesurfer] question about PVC of PETSurfer {Disarmed}

2020-12-13 Thread Greve, Douglas N.,Ph.D.
This is explained in the PETsurfer documentation. Can you be more specified about what that documentation does not cover? On 12/9/2020 1:45 AM, 蒋袁芳 wrote: External Email - Use Caution Thanks for the reply, and we are still curious about the files that the Petsurfer out put. We want to

Re: [Freesurfer] Does segmentation depend on input orientation {Disarmed} {Disarmed}

2020-12-13 Thread Greve, Douglas N.,Ph.D.
How did you change the orientation? On 12/9/2020 4:16 AM, Nederpelt, D. van (David) wrote: ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer

Re: [Freesurfer] Computing thickness from woT2.pial surfaces

2020-12-13 Thread Greve, Douglas N.,Ph.D.
If you're using v7XX, then you can use mris_place_surfaces. Look in the log file for the command line. On 12/9/2020 6:15 AM, Antonín Škoch wrote: External Email - Use Caution Dear experts, I have processed my data with -T2pial option. I would like now to also compute thickness from wo

Re: [Freesurfer] labels in the surface

2020-12-13 Thread Greve, Douglas N.,Ph.D.
This might be the way it is given that the AAL is volume-based and you are trying to put it on the surface. What is your vol2surf command? On 12/10/2020 6:59 AM, Alberto Del Cerro Leon wrote: External Email - Use Caution Hello Freesurfer team With your help i obtained a AAL atlas on the

Re: [Freesurfer] Question about scaling intensities {Disarmed}

2020-12-13 Thread Horsng Junn
External Email - Use CautionHi,I’m not an expert but since your question hasn’t been answered yet I thought I’d share how I’d do that.But as I’m not an expert this might be a wrong way. Please verify the following first.For example to go from [0, 110] to [-1, 1] you’d need a convers