Re: [Freesurfer] \nu_estimate_np_and_em\ error during recon-all

2013-02-25 Thread Tudor Popescu
Thanks Nick and Anil! I tried with the Bert data set in its original location, and got a different kind of error: ERROR: talairach_afd::Load_xfm(): could not parse transforms/talairach.xfm Manual Talairach alignment may be necessary, or include the -notal-check flag to skip this test, making sure

[Freesurfer] tkmedit error

2013-02-25 Thread Ehsan Tadayon
Hello I'm new to freesurfer, I have some .nii images that i converted to .mgz via mri_converter in freesurfer and run recon-all on them! it seems everything is fine and i've got stats in m subjects folders. but when I try to do tkmedit to visualize images it gives me an error: Tkmedit couldn't

Re: [Freesurfer] Registration segmentation with FSL - obtaining correlation matrix..

2013-02-25 Thread Bruce Fischl
Hi Sudhin are you sure that the NaNs don't exist before registration and extraction? Cany you check? I don't see why anything we would have done would introduce them. cheers Bruce On Fri, 22 Feb 2013, Sudhin A. Shah wrote: Hello I have run free surfer and co-registered with

Re: [Freesurfer] Merging .annot files using mris_label2annot puts labels in the wrong place

2013-02-25 Thread Douglas N Greve
Hi Chris, in the color table file, do you have an unkown entryas the first entry? There should be one or else use --no-unknown. doug On 02/16/2013 11:07 PM, Chris McNorgan wrote: Hi all, I posted this back in January, and got a direct email reply from someone on the mailing list, who gave

Re: [Freesurfer] mri_label2vol: Brodmann Areas

2013-02-25 Thread Douglas N Greve
You will have to merge the labels into an annotation (mris_label2annot), then the annotation to a segmentation volume (mri_aparc2aseg), then apply mri_label2vol to the segmentation. doug On 02/19/2013 10:45 AM, Vincent Koppelmans wrote: Hi all, I am trying to convert Brodmann area 4a and 4p

Re: [Freesurfer] selxavg3-sess illconditioned error

2013-02-25 Thread Douglas N Greve
Hi katie, I'm guessing that you have one event type that only has one event? If so, you can do what Sebastian suggests, but you won't be able to look at contrasts related to that condition. doug On 02/19/2013 03:24 PM, Katie Bettencourt wrote: I am having a problem with selxavg3-sess (for FS

Re: [Freesurfer] Generate mask from surface in diffusion space

2013-02-25 Thread Douglas N Greve
Hi Shani, it looks like your commands are right. How are you judging that the mask is thicker? What is the resolution of the DTI volume? When you binarize in a coarser space, you'll naturally not get it to line up with the surface, and the binary mask will naturally be thicker. doug On

Re: [Freesurfer] mri_vol2vol call problem

2013-02-25 Thread Douglas N Greve
Hi Greg, the target (--targ) should be a volume, not the name of a subject (eg, 816/mri/orig.mgz) doug On 02/21/2013 02:23 PM, Gregory Kirk wrote: Greetings lords of freesurfer! I am having a problem getting a combined cvs warp+bbregister to map an FA volume onto a template. mri_vol2vol

Re: [Freesurfer] mgh conversion

2013-02-25 Thread Douglas N Greve
Hi Glen, I think there is some confusion here about what this conversion is doing and what you want it to do. This conversion simply changes the way the information is stored, but it is still surface data. SPM/MRIcron cannot display surface data even if it is in nifti format. It sounds like

Re: [Freesurfer] obtaining residuals after regressing out nuisance parameters

2013-02-25 Thread Douglas N Greve
Hi Caspar, youcan do it that way and then extract the average time course from the residuals. Otherwise, you'd have to do the regression yourself in matlab. doug On 02/22/2013 11:01 AM, Caspar M. Schwiedrzik wrote: hm, I just realized that I should probably run selxavg3-sess with -svres and

Re: [Freesurfer] Hippocampus volume calculations

2013-02-25 Thread Juan Eugenio Iglesias
Dear Gari, The subfield module uses a different, independent method to segment the hippocampus, and consistency with ASEG results is not explicitly enforced. That said, the subfield module is inialialized with the ASEG, and the results should be pretty close to each other, for the most part. Have

Re: [Freesurfer] Change of thickness with age with tksurfer

2013-02-25 Thread Douglas N Greve
Hi Sophie, in the output directory there should be several folders, one for each contrast. One of those contrasts will be your age-slope contrast. Load the gamma.mgh file to see what the slopes are. doug On 02/25/2013 08:42 AM, Sophie Maingault wrote: Hello, I used qdec to visualize

Re: [Freesurfer] creating figures using f-score color scale

2013-02-25 Thread Douglas N Greve
Hi Maria, I don't know exactly how they generated it. It might not even have been using the FS tools. If I were to do it in FS, I would create a segmentation by thresholding the continuous map into the ranges of F values I wanted. I would then create an annotation (mris_seg2annot) where I can

Re: [Freesurfer] question mris_preproc

2013-02-25 Thread Douglas N Greve
If there are negative values in the lh.area, then something is very wrong. Can you double check? If they persist, can you upload the subject? doug On 02/20/2013 10:18 AM, j janssen wrote: Hi, freesurfer-x86_64-redhat-linux-gnu-stable5-20110522 $Id: mris_preproc,v 1.66 2012/12/06 16:06:17

Re: [Freesurfer] Recon-all with my own template

2013-02-25 Thread Douglas N Greve
The first cmd (mris_register, or use the surfreg script) will create a new registration file in subject/surf. Make sure you don't overwrite the original one (?h.sphere.reg). mris_preproc will just create a single output file with all of your subjects' thickness data (unless you use --qcache)

Re: [Freesurfer] Registration segmentation with FSL - obtaining correlation matrix..

2013-02-25 Thread Douglas N Greve
First check the value of the BBR cost function. If it is over .8, then something is wrong. To check whether it is an LR flip, you can flip the volume LR and re-run the registration to see if it gets better. doug On 02/25/2013 11:19 AM, Sudhin A. Shah wrote: Hi Doug, When I initially pulled

Re: [Freesurfer] extracting hand drawn ROIs to Afni space

2013-02-25 Thread Douglas N Greve
Hi Paul, do you still have a problem that needs to be solved? doug On 02/18/2013 04:39 PM, Paul Beach wrote: Thank you for forwarding this. I realize I need to further clarify my issue as well. With the help of Doug Greve I've taken hand made ROIs in tksurfer, repackaged them into a new

Re: [Freesurfer] Registration segmentation with FSL - obtaining correlation matrix..

2013-02-25 Thread Sudhin A. Shah
Hi Doug, Is the BBR cost function in anat2exf.register.dat.bbr.init? mwtp5 3.75 4.00 0.15 9.689088e-01 6.952747e-02 -2.374479e-01 6.737892e+00 2.456762e-01 -1.566831e-01 9.566056e-01 -2.835866e+01 2.930631e-02 -9.851995e-01 -1.688930e-01 1.765446e+01 0 0 0 1 round Or in

Re: [Freesurfer] Registration segmentation with FSL - obtaining correlation matrix..

2013-02-25 Thread Douglas N Greve
The cost (from .mincost) looks fine. Can you send a pic of the registration inaccuracy? doug On 02/25/2013 11:53 AM, Sudhin A. Shah wrote: Hi Doug, Is the BBR cost function in anat2exf.register.dat.bbr.init? mwtp5 3.75 4.00 0.15 9.689088e-01 6.952747e-02 -2.374479e-01

Re: [Freesurfer] Registration segmentation with FSL - obtaining correlation matrix..

2013-02-25 Thread Douglas N Greve
It does not look bad to me. Why do you think it looks wrong? On 02/25/2013 12:29 PM, Sudhin A. Shah wrote: Hi Doug, Here's an example view... It looks fine to me. See attached.. From: Douglas N Greve [gr...@nmr.mgh.harvard.edu] Sent: Monday,

Re: [Freesurfer] Mac mountain lion installation problem

2013-02-25 Thread Nick Schmansky
Paula, what is the processor type and speed? how much memory do you have on your system? Nick On Mon, 2013-02-25 at 11:50 +0100, Vieweg, Paula /DZNE wrote: Hi, I have installed Freesurfer (Leopard version) on Mac Mountain Lion and tried to use it for a full segmentation (recon-all

[Freesurfer] Remove medial wall label from surface?

2013-02-25 Thread Andries R. Van Der Leij
Dear all, I am trying to prepare freesurfer surfaces for probtrackx fibertracking. I use the pial surfaces to stop fibers from going back into the white matter. In order to be able to track between hemispheres, the medial_wall labels have to be removed from these pial surfaces. I have

Re: [Freesurfer] FreeSurfer recon-all two sets of error

2013-02-25 Thread Blessy M
Recon is still running. I started the process on 2/21/2013. Its been 4 days. I ran this command, and viewed the aseg file, and that looks reasonable tkmedit ./ brainmask.mgz -aux T1.mgz -surfs -aseg Currently it is at this stage: Correction of the Topology Finding true center and radius of

Re: [Freesurfer] High resolution fMRI and resolution of anatomical scans

2013-02-25 Thread Matt Glasser
I'd collect highres T1w as well and then refine the 1mm surfaces using that. Peace, Matt. From: SHAHIN NASR sha...@nmr.mgh.harvard.edu Date: Monday, February 25, 2013 1:39 PM To: Freesurfer freesurfer@nmr.mgh.harvard.edu, Bruce Fischl fis...@nmr.mgh.harvard.edu, Doug Greve

Re: [Freesurfer] High resolution fMRI and resolution of anatomical scans

2013-02-25 Thread Douglas N Greve
You do not need another one unless you think that the brain has changed in some way between when you collected the anat and the func. Also, if you are going to acquire a partial field of view (ie, only part of the brain), make sure you get a full brain acq of something to help in registration

Re: [Freesurfer] High resolution fMRI and resolution of anatomical scans

2013-02-25 Thread shahin
We always collect a low resolution whole brain mprage structural scan before the functional scans to help us position our slices. Can I use that? You do not need another one unless you think that the brain has changed in some way between when you collected the anat and the func. Also, if you

Re: [Freesurfer] High resolution fMRI and resolution of anatomical scans

2013-02-25 Thread Douglas N Greve
yes On 02/25/2013 03:23 PM, sha...@nmr.mgh.harvard.edu wrote: We always collect a low resolution whole brain mprage structural scan before the functional scans to help us position our slices. Can I use that? You do not need another one unless you think that the brain has changed in some way

Re: [Freesurfer] FreeSurfer recon-all two sets of error

2013-02-25 Thread Bruce Fischl
try looking at the lh.inflated.nofix or lh.orig.nofix (or rh, whichever one is running) and see if something is dramatically wrong (like skull attached to brain, or hemis connected, etc) On Mon, 25 Feb 2013, Blessy M wrote: Recon is still running. I started the process on 2/21/2013. Its

Re: [Freesurfer] Remove medial wall label from surface?

2013-02-25 Thread Bruce Fischl
Hi Andries you could use the cutting tools in tksurfer, although it sounds like this is something that we might want to make easier to do automatically. cheers Bruce On Mon, 25 Feb 2013, Andries R. Van Der Leij wrote: Dear all, I am trying to prepare freesurfer surfaces for probtrackx

[Freesurfer] TRACULA trac-all -path giving 'Segmentation error (core dumped) error'

2013-02-25 Thread Susan Kuo
Hi FreeSurfer Community, I am trying to run TRACULA's last step, 'trac-all -path -c path-to-dmrirc-config-script', and am receiving the error: Segmentation fault(core dumped) Moreover, when I look to standard output (terminal), I noticed that the initial 'dmri_paths' command is incomplete.

Re: [Freesurfer] TRACULA trac-all -path giving 'Segmentation error (core dumped) error'

2013-02-25 Thread Anastasia Yendiki
Hi Susan - Can you please send your entire trac-all.log? I'll need to see what else was going on before the error message occurred. Thanks, a.y On Mon, 25 Feb 2013, Susan Kuo wrote: Hi FreeSurfer Community,    I am trying to run TRACULA's last step, 'trac-all -path -c

Re: [Freesurfer] TRACULA trac-all -path giving 'Segmentation error (core dumped) error'

2013-02-25 Thread Anastasia Yendiki
It looks to me like there was an error at an earlier stage, in the -prior step, so some of the files that the -path step is looking for are not correct. Look for img2imgcoord: Command not found. That's a command from FSL that it can't find. (The 5.2 version of trac-all will not use this any

Re: [Freesurfer] Registration segmentation with FSL - obtaining correlation matrix..

2013-02-25 Thread Sudhin A. Shah
Hi! It turns out the 3T scans have a lot of susceptibility artifact so it might not be the registration failing but more of the signal :( Unfortunately I will just leave out those ROIs for my analysis.. From: freesurfer-boun...@nmr.mgh.harvard.edu

Re: [Freesurfer] Tkregister2 / Tksurfer / Tkmedit Won't Open

2013-02-25 Thread Daniel Cole
Hi Zeke, Thank you for the advice. I have Mac OS X Version 10.7.5. I checked to see if XQuartz is installed and it is. I reinstalled it to be sure but I'm still running into the same problems. Do you (or does anyone else) have other ideas about what could be causing this issue? Thanks, Daniel

Re: [Freesurfer] Tkregister2 / Tksurfer / Tkmedit Won't Open

2013-02-25 Thread Nick Schmansky
have you rebooted since installing XQuartz? i've found a reboot is necessary to get Terminal to open up again. N. On Mon, 2013-02-25 at 17:07 -0500, Daniel Cole wrote: Hi Zeke, Thank you for the advice. I have Mac OS X Version 10.7.5. I checked to see if XQuartz is installed and it is. I

[Freesurfer] blend own template into FS pipeline

2013-02-25 Thread Schumman Resonance
Hi FreeSurfer experts, We are dealing with a sample of children MRI and we want to introduce our own templates into the pipeline instead of the MNI/tailarach. Any advice or guidance you can provide on how to go about doing this would be much appreciate it. Thanks, Kev

Re: [Freesurfer] blend own template into FS pipeline

2013-02-25 Thread Bruce Fischl
Hi Kev for what purpose? If it's just for talairaching, Avi (ccd) is the person to ask cheers Bruce On Mon, 25 Feb 2013, Schumman Resonance wrote: Hi FreeSurfer experts, We are dealing with a sample of children MRI and we want to introduce our own templates into the pipeline instead of the

[Freesurfer] Freesurfer problem on Amazon EC2

2013-02-25 Thread Tawfik Moher Alsady
Dear Freesurfers, I tried to install freesurfer on amazon EC2 as instructed on the wiki page. Everything went well except that mri_* tools like mri_convert doesn't work. When calling it, it returns nothing.\ I also tried to make another Centos instance and install freesurfer manuall, but the

Re: [Freesurfer] blend own template into FS pipeline

2013-02-25 Thread Schumman Resonance
I would like to play with both normalization and registration steps, and contrast results. Thanks, Kev On Mon, Feb 25, 2013 at 6:03 PM, Bruce Fischl fis...@nmr.mgh.harvard.eduwrote: Hi Kev for what purpose? If it's just for talairaching, Avi (ccd) is the person to ask cheers Bruce On