Re: [Freesurfer] LME model contrast matrix

2019-10-24 Thread Diers, Kersten /DZNE
External Email - Use Caution Hi Guodong, On Di, 2019-10-22 at 16:05 +0800, Liu Guodong wrote: > External Email - Use Caution > > Hello FreeSurfer Developers, > > I'm doing the LME tutorial, and I have some questions . > > 1. Why don’t we need to put the healthy

Re: [Freesurfer] Learning dti processing tutorial

2019-10-24 Thread Yendiki, Anastasia
You could register another subject's segmentation to your subjects, but having the individual segmentations is ideal. From: freesurfer-boun...@nmr.mgh.harvard.edu on behalf of Renew Andrade Sent: Thursday, October 24, 2019 9:53 AM To:

[Freesurfer] mri_cvs_register error while diffusion imaging processing

2019-10-24 Thread Renew Andrade
External Email - Use Caution Dear FreeSurfer experts: I am trying to run Spatial Normalization but I cannot get the morph file because I get this error. I don’t know what to do with these libraries. Do I need to copy them from where they are in freesurfer to somewhere else in

Re: [Freesurfer] Learning fsfast tutorial

2019-10-24 Thread Renew Andrade
External Email - Use Caution Dear FreeSurfer experts: I am trying to use my own data so I don’t have the same tutorial structure. I do keep the folder structure as similar as possible in order for FreeSurfer to run but I cannot have different sessions for example I just have

Re: [Freesurfer] Learning dti processing tutorial

2019-10-24 Thread Renew Andrade
External Email - Use Caution In other words I cannot process TRACULA without the T1w images of my subjects? Because this Parkinson database is from NITRC and I only have the diffusion images not the T1. I can practice on other subjects that I have both the T1 and diffusion

Re: [Freesurfer] Learning fsfast tutorial

2019-10-24 Thread Greve, Douglas N.,Ph.D.
You have to have the directory structure set up properly. You can put task and rest in the same session or in different sessions On 10/24/19 9:43 AM, Renew Andrade wrote: > > External Email - Use Caution > > Dear FreeSurfer experts: > I am trying to use my own data so I don’t have the

Re: [Freesurfer] recon-all at native resolution

2019-10-24 Thread Alexopoulos, Dimitrios
External Email - Use Caution I apologize for the confusion. Whether I use the -hires or -conf2hires flag the subcortical segmentations look good. The cortical segmentations have some issues in the ventral medial area (see snapshot below), which is likely caused by difficulty

Re: [Freesurfer] can´t open an image in Freeview {Disarmed}

2019-10-24 Thread fsbuild
External Email - Use Caution Hello Adam, I’m doing some work with a VirtualBox VM running Ubuntu 18.04 -but hosted from Mac OS instead of Windows. I will install the 6.0.0 freesurfer release in the Ubuntu VM and run some of the freeview command tests we use, but so far I have

Re: [Freesurfer] Converting ROIs from MNI152 space to MNI305

2019-10-24 Thread Greve, Douglas N.,Ph.D.
try something like mri_label2vol  --reg $FREESURFER_HOME/average/mni152.register.dat --seg your.mni152.roi.nii.gz --temp $FREESURFER_HOME/subjects/fsaverage/mri/orig.mgz --o your.mni152.roi-in-mni305.nii.gz On 10/21/19 12:42 PM, Barbour, Tracy,M.D. wrote: > > Hello experts, > > I am trying to

Re: [Freesurfer] recon-all at native resolution

2019-10-24 Thread Greve, Douglas N.,Ph.D.
You mean the surfaces using -hires look fine? If so, then continue to use -hires On 10/24/19 6:32 PM, Alexopoulos, Dimitrios wrote: > External Email - Use Caution > > The cortical parcellations in the aseg and aparc+seg have some issues in the > orbital prefrontal regions and we're

Re: [Freesurfer] Error in glmfit-sim cache

2019-10-24 Thread Greve, Douglas N.,Ph.D.
I don't know what this refers to On 10/18/19 4:45 PM, Renew Andrade wrote: > External Email - Use Caution > > I have tried all the values it pinpoints to but none seem to work. > > ___ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu

Re: [Freesurfer] Getting stats from stats files. rh.w-g.pct. asegstatsdiff

2019-10-24 Thread Greve, Douglas N.,Ph.D.
On 10/22/19 9:00 AM, Троицкий Антон Александрович wrote: > External Email - Use Caution > > Dear free surfer developers, > > > 1. > > I processed several items of data. And I have rh.w-g.pct file in my stats > folders. > > How can I get process this file to get table reading file? I

Re: [Freesurfer] FSGD file formatting for Xhemi

2019-10-24 Thread Greve, Douglas N.,Ph.D.
If you are trying to determine whether the hemispheres are different, then you need to do the subtraction between the hemis (ie, the --paired-diff). If you want to look at the hemispheres separately, then don't combine them in a single file On 10/21/19 4:58 AM, Jose Graterol wrote: > >

Re: [Freesurfer] Mean p-value of uncorrected cluster in Qdec

2019-10-24 Thread Greve, Douglas N.,Ph.D.
In the qdec analysis it is hard because we don't really support qdec anymore. You can run the command-line stream, and when you run mri_glmfit-sim to do the clustering, set --cwp 1 to keep all the clusters. At that point you can use mri_segstats with --i sig.mgh and --seg ocn.mgh (where ocn is

Re: [Freesurfer] recon-all at native resolution

2019-10-24 Thread Greve, Douglas N.,Ph.D.
oh, sorry, yes it is. The surfaces are placed on the high res volumes, but the aseg will be at 1mm. If you need the aseg at highres, then you will need to use the -hires flag (but the surfaces will suffer) On 10/24/19 2:55 PM, Alexopoulos, Dimitrios wrote: > External Email - Use

Re: [Freesurfer] subcortical volume-based pet analysis

2019-10-24 Thread Greve, Douglas N.,Ph.D.
On 10/21/19 10:24 AM, miracle ozzoude wrote: > > External Email - Use Caution > > Hello Experts, > > I do have couple questions about using mri_glmfit and mri_glmfit-sim > for this analysis based on the tutorial page. > https://surfer.nmr.mgh.harvard.edu/fswiki/PetSurfer >  1) Do i

Re: [Freesurfer] how to get the full name of cortical segmentation structures?

2019-10-24 Thread Greve, Douglas N.,Ph.D.
For the aparc see Desikan, NI 2006, An automated labeling system for subdividing the human cerebral cortex on MRI scans into gyral based regions of interest For the a2009s, see Destrieux, NI 2010, Automatic parcellation of human cortical gyri and sulci using standard anatomical nomenclature

Re: [Freesurfer] Mri_mask producing only zeros

2019-10-24 Thread Greve, Douglas N.,Ph.D.
Can you send the full terminal output? On 10/14/19 12:01 AM, Sims, Sara A (Campus) wrote: > > External Email - Use Caution > > Freesurfers, > > I am trying to use mri_mask using surface overlays. I made a label > into a volume and then into a surface with 1s inside the label and 0s >

Re: [Freesurfer] recon-all at native resolution

2019-10-24 Thread Alexopoulos, Dimitrios
External Email - Use Caution The cortical parcellations in the aseg and aparc+seg have some issues in the orbital prefrontal regions and we're were hoping that the higher resolution images would help. The surfaces look fine. We should use the -hires flag instead in this

Re: [Freesurfer] recon-all at native resolution

2019-10-24 Thread Alexopoulos, Dimitrios
External Email - Use Caution Doug, I copied over files and ran using the -conf2hires flag, however, the orig.mgz/brainmask.mgz are resampled to 1mm isotropic not the native 0.8mm. Using the -hires flag maintains the orig.mgz/brainmask.mgz at native 0.8mm resolution. Is this

Re: [Freesurfer] can´t open an image in Freeview {Disarmed}

2019-10-24 Thread Adam Rytina
External Email - Use Caution Hello, Yes sure, I checked my setup of Freesurfer enviroment - the same as the wiki page I guess. I loaded an image from the freesurfer distribution directly from the command line - the same problem (the grey windows popping out). The strange