[Freesurfer] TkmEdit Scripting SetBrushInfo Error

2014-03-05 Thread Joerg Pfannmoeller
Hi, I am getting tzhe following an error if I use the following command in a tcl-script: SetBrushInfo 3 1 2000 1 The error is: Error: Parsing script file This error was encountered while running the script specified with the -tcl option. What is wrong? Sincerely yours pfannmoe

[Freesurfer] One sample t-test in Qdec

2014-03-05 Thread Buse Merve Ürgen
Hello, I would like to learn whether we can conduct one-sample t-test using Qdec. I'm working on a single-case study, and I want to compare a single subject's data with a group of controls (to see how this specific subject is different from the group) in terms of volume, thickness and

[Freesurfer] Combining sagittal and axial T1 for volumetric analysis

2014-03-05 Thread Tartaglia, Carmela
I have patients and controls scanned on the same scanner but their data was acquired in different orientations. One group is sagittal and the other is axial. The sizes are 1X1X1 vs 1X1X1.2. Is it possible to combine these images for freesurfer analysis? Thanks carmela This e-mail may

Re: [Freesurfer] Combining sagittal and axial T1 for volumetric analysis

2014-03-05 Thread Bruce Fischl
Hi Carmela are all controls scanned with one protocol and all patients with another? If so, combining them and interpreting the results is going to be difficult. sorry Bruce On Wed, 5 Mar 2014, Tartaglia, Carmela wrote: I have patients and controls scanned on the same scanner but their data

[Freesurfer] Is there a better direction for acquiring T1 structural scan? sagittal or axial

2014-03-05 Thread Tartaglia, Carmela
I am wondering if there is a preferred direction for acquiring T1 structural scan? sagittal or axial? and what is the rational? Thanks Carmela This e-mail may contain confidential and/or privileged information for the sole use of the intended recipient. Any review or distribution by anyone

Re: [Freesurfer] different thickness after converting wm.mgz in nifti and back

2014-03-05 Thread Bruce Fischl
Hi Karl why is there any difference in either geometry or pixel values after converting back and forth? Can you send us your mri_convert command lines and screen output? cheers Bruce On Wed, 5 Mar 2014, Koschutnig, Karl (karl.koschut...@uni-graz.at) wrote: Dear experts, our group decided

[Freesurfer] Qdec failed

2014-03-05 Thread Yinfei Li
Dear experts, I have Freesurfer running quite well on Ubuntu for some time. But today when I tried to run the command ‘qdec’, I got the following error: Qdec.bin: error while loading shared libraries: libXss.so.1: cannot open shared object file: No such file or directory How do I fix this?

Re: [Freesurfer] Freesurfer 5.3 and CentOS 5.10

2014-03-05 Thread Weiner, Michael
Thank you for the information, I wasn't sure if the centos4 build had mp built into it. I will try this and forward the information on to the researcher to see how their runs can be improved. Regards Michael weiner -Original Message- From: Z K [mailto:zkauf...@nmr.mgh.harvard.edu]

Re: [Freesurfer] LGI in Qdec

2014-03-05 Thread krista kelly
Hi Marie, It appears that the problem was the program that I was using to create the . Qdecrc file. I was using Text Wrangler. I switched to TextMate and the problem has been resolved. Thanks so much for your help! Krista On Tue, Mar 4, 2014 at 8:27 PM, Marie Schaer marie.sch...@unige.ch

Re: [Freesurfer] One sample t-test in Qdec

2014-03-05 Thread Douglas N Greve
Hi Buse, I think this is a two-sample t-test where the 2nd sample is your individual. You should be able to this in qdec doug On 03/05/2014 07:52 AM, Buse Merve Ürgen wrote: Hello, I would like to learn whether we can conduct one-sample t-test using Qdec. I'm working on a single-case study,

Re: [Freesurfer] Freesurfer 5.3 and CentOS 5.10

2014-03-05 Thread Z K
Micheal, Im sorry but I sent you conflicting information. The Centos4 build does NOT have openmp built into it. Our Centos4 builds use gcc version 3.4.6. It wasnt till gcc 4.2 that the gcc compiler implement openmp (v2.5) Our CentOS6 build uses gcc 4.4.7 and does have openmp built into it.

Re: [Freesurfer] Freesurfer for rodents

2014-03-05 Thread Douglas N Greve
Hi Claudia, I don't know of anyone using it for rodents. In general, it is highly tuned to the parameters of the primate (mostly human) brain, and I think it would be quite difficult to adapt it to rodents. I'm cc'ing the FS list in case someone else has anything to add. doug On 03/05/2014

[Freesurfer] tkmedit edit voxel tcl script

2014-03-05 Thread Joerg Pfannmoeller
Hello, if I have selected a voxel in a volume with tkmedit with a tcl script, how can I set the voxel value to 0. Sincerely yours pfannmoe ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu

[Freesurfer] extract pial_lgi from v1.thresh labels

2014-03-05 Thread krista kelly
Hello, I would like to extract the pial_lgi data from Freesurfer's V1.thresh labels but can't quite figure it out. I've tried adapting the commands from the LGI Freesurfer tutorial as such: mri_segstats --label-thresh BV20 lh V1.thresh.label --i $SUBJECTS_DIR/BV20/surf/lh.pial_lgi --sum

Re: [Freesurfer] extract pial_lgi from v1.thresh labels

2014-03-05 Thread Douglas N Greve
try mri_segstats --label-thresh .5 --label BV20 lh V1.thresh.label --i $SUBJECTS_DIR/BV20/surf/lh.pial_lgi --sum lh.V1.thresh.label.stats On 03/05/2014 11:15 AM, krista kelly wrote: Hello, I would like to extract the pial_lgi data from Freesurfer's V1.thresh labels but can't quite figure

Re: [Freesurfer] Problematic dilated ventricles

2014-03-05 Thread Douglas N Greve
It contains the volumes of the white matter parcellation. You can make a table with asegstats2table and specifying --stats=wmparc.stats doug On 03/05/2014 11:16 AM, Victor Kovac wrote: So, I assume the aseg.mgz contains the values represented in the asegstats2table, but what values does the

Re: [Freesurfer] extract pial_lgi from v1.thresh labels

2014-03-05 Thread krista kelly
Thanks Doug, but when I try this I get the following error: Option --label unknown On Wed, Mar 5, 2014 at 11:21 AM, Douglas N Greve gr...@nmr.mgh.harvard.eduwrote: try mri_segstats --label-thresh .5 --label BV20 lh V1.thresh.label --i $SUBJECTS_DIR/BV20/surf/lh.pial_lgi --sum

Re: [Freesurfer] extract pial_lgi from v1.thresh labels

2014-03-05 Thread Douglas N Greve
sorry, it is --slabel btw, there is documentation. If you run it without options it gives you a list of arguments as well as examples doug On 03/05/2014 11:32 AM, krista kelly wrote: Thanks Doug, but when I try this I get the following error: Option --label unknown On Wed, Mar 5, 2014 at

Re: [Freesurfer] (no subject)

2014-03-05 Thread Douglas N Greve
*I would use BrainSegNotVent* found in aseg.stats. You can get more info here http://surfer.nmr.mgh.harvard.edu/fswiki/MorphometryStats doug On 03/04/2014 10:57 AM, Hugh Pemberton wrote: Hi guys, just wondering what you'd say is the best measure for whole brain volume? Cortex volume..

Re: [Freesurfer] TkmEdit Scripting SetBrushInfo Error

2014-03-05 Thread Joerg Pfannmoeller
Allright, it works if I use those commands: UpdateBrushInfo { inBrush inLow inHigh inNewValue inMode inCloneSource } SetEditBrushConfiguration ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu

Re: [Freesurfer] extract pial_lgi from v1.thresh labels

2014-03-05 Thread krista kelly
Perfect, it works thanks! On Wed, Mar 5, 2014 at 11:35 AM, Douglas N Greve gr...@nmr.mgh.harvard.eduwrote: sorry, it is --slabel btw, there is documentation. If you run it without options it gives you a list of arguments as well as examples doug On 03/05/2014 11:32 AM, krista kelly wrote:

Re: [Freesurfer] extract pial_lgi from v1.thresh labels

2014-03-05 Thread krista kelly
Hi again, My apologies for the barrage of emails! I was able to do mri_segstats on V1 labels for pial_lgi using the following: mri_segstats --label-thresh .5 --slabel $s lh $SUBJECTS_DIR/$s/label/lh.V1.thresh.label --i $SUBJECTS_DIR/$s/surf/lh.pial_lgi --sum

Re: [Freesurfer] extract pial_lgi from v1.thresh labels

2014-03-05 Thread Douglas N Greve
use asegstats2table (I know, it's confusing:) doug On 03/05/2014 01:42 PM, krista kelly wrote: Hi again, My apologies for the barrage of emails! I was able to do mri_segstats on V1 labels for pial_lgi using the following: mri_segstats --label-thresh .5 --slabel $s lh

[Freesurfer] freesurfer coordinates question

2014-03-05 Thread David Phillips
Hello, Is there any way to extract a three dimensional coordinate representation of the different brain regions (i.e., their centroids) that freesurfer is estimating the cortical thickness of? Any help is appreciated and apologies if this question has been answered before. regards, David

Re: [Freesurfer] extract pial_lgi from v1.thresh labels

2014-03-05 Thread krista kelly
Thanks Doug! I did that and it worked, but now here's another problem: the values that I obtained for V1, V2, and cortex for each subject are all the same. For example, BV20 left hemisphere values for V1, V2, and cortex are all 2.7241 (same thing happens for the right hemisphere). Maybe I can tell

[Freesurfer] Running Tracula on a cluster

2014-03-05 Thread ebelleau
Hello, I plan on running a batch of subjects (around 80) on a computer cluster. I am assuming that in the dmrirc configuration file, I can enter all of the subjects in subjlist? However, do I have to add something to it to make sure that each subject gets sent to a different processor on the

Re: [Freesurfer] Running Tracula on a cluster

2014-03-05 Thread Anastasia Yendiki
Hi Emily - Which job management system does your cluster run on? Have you ever tried to run any of the FSL parallelized programs, like bedpostx, on your cluster? a.y On Wed, 5 Mar 2014, ebell...@uwm.edu wrote: Hello, I plan on running a batch of subjects (around 80) on a computer

Re: [Freesurfer] Running Tracula on a cluster

2014-03-05 Thread ebelleau
Hi Anastasia, We use SLURM. I have not personally yet run bedpost off of the cluster, but one of my colleagues was able to run his data off of our cluster ( the whole pathway including bedpost) without any problem. However he (Jon Wieser) made an individual dmrirc configuration file script

Re: [Freesurfer] extract pial_lgi from v1.thresh labels

2014-03-05 Thread Douglas N Greve
Sorry, I gave you some bad advice. Only use --label-thresh with labels that have a statistic that is non-zero (this is the last column of the label file). Eg, in lh.V1.thresh.label, the stat is always 0 (but it is non-zero in lh.V1.label). The stat is the probability that the vertex is in the

[Freesurfer] Group comparisons

2014-03-05 Thread Tudor Popescu
Hello, I have some questions on doing group comparisons with thickness, area and volume. Many thanks in advance for any help! 1) For a DOSS design with group and gender as categorical factors, I see that an interaction contrast (Is there a group-gender interaction in the mean thickness?) still

Re: [Freesurfer] extract pial_lgi from v1.thresh labels

2014-03-05 Thread krista kelly
Thanks Doug! That fixed it. But now I have two numbers in each file, which do I use (see also attached file)? ColHeaders Index SegId NVertices Area_mm2 StructName Mean StdDev Min Max Range 1 0 124241 81007.3 Seg 2.7306 0.6613 1.4985 4.4779 2.9795 2 1 3540 2225.6 Seg0001 2.4966 0.3254

Re: [Freesurfer] extract pial_lgi from v1.thresh labels

2014-03-05 Thread Douglas N Greve
Right, one more thing. add --excludeid 0 On 03/05/2014 05:59 PM, krista kelly wrote: Thanks Doug! That fixed it. But now I have two numbers in each file, which do I use (see also attached file)? ColHeadersIndex SegId NVertices Area_mm2StructName Mean StdDev

Re: [Freesurfer] extract pial_lgi from v1.thresh labels

2014-03-05 Thread Douglas N Greve
not sure what you mean, those are not mutually exclusive On 03/05/2014 06:05 PM, krista kelly wrote: Ok thanks! Also, for the lh.cortex pial_lgi, should I stick to --label-thresh .5 rather than --slabel? On Wed, Mar 5, 2014 at 5:59 PM, Douglas N Greve gr...@nmr.mgh.harvard.edu

[Freesurfer] Surface area in aparc stats

2014-03-05 Thread 沈庄明
Hi all, I need to know how is the SurfArea in ?h.aparc.stats calculated by FreeSurfer? Since each cortical parcellation has its own thickness in 3D space, does the surface area computation consider both the exterior surface (i.e. the surface separating the gray matter and the background) and

Re: [Freesurfer] Surface area in aparc stats

2014-03-05 Thread Douglas Greve
By default, the surface area is computed from the white surface (ie, boundary between WM and GM). It is possible to compute it from the pial surface (ie, boundary between GM and background) doug On 3/5/14 9:14 PM, ??? wrote: Hi all, I need to know how is the SurfArea in ?h.aparc.stats

Re: [Freesurfer] Group comparisons

2014-03-05 Thread Douglas Greve
On 3/5/14 5:25 PM, Tudor Popescu wrote: Hello, I have some questions on doing group comparisons with thickness, area and volume. Many thanks in advance for any help! 1) For a DOSS design with group and gender as categorical factors, I see that an interaction contrast (Is there a group-gender

Re: [Freesurfer] Surface area in aparc stats

2014-03-05 Thread Douglas Greve
Hi Zhuangming, please remember to post to the list. Thanks! I don't understand your question. What do you mean by the exterior, anterior, posterior, etc, surfaces? On 3/5/14 11:56 PM, 沈庄明 wrote: Hi Doug, Thank you for your prompting response. Do you mean the computation only calculate