Re: [Freesurfer] Problem with glmfit: matrix is ill-conditioned

2013-02-26 Thread Ed Gronenschild
Hi Doug, The condition numbers were: - 1e+08 for problematic fsgd file - 371.233 for previous fsgd file I tried also v5.1, however with no succes. The matirx was still ill-conditioned with condition number 2.80809e+07. Cheers, Ed On 1 Feb 2013, at 9:53, freesurfer-requ...@nmr.mgh.harvard.edu w

[Freesurfer] aseg.mgz display only left hemisphere

2013-02-26 Thread Azeez Adebimpe
Hi freesurfer experts, The output of the segmentation, aseg.mgz only display right hemisphere. I used option -all in the segmentation. How can I make the both hemispheres visible or is there any specific option to choose for segmentation to make both hemispheres visible? Thank you/ Azeez Ad

Re: [Freesurfer] A question regarding high FA values when running DTI script

2013-02-26 Thread Rotem Saar
Hi Bruce, Thanks for your answer and sorry about the delay in mine. Registration seems fine, but I came up with some questions regarding it - 1) When testing the registration, using the "compare" button, I can see both the diffusion and what is suppose to be the anatomical slices - but why do the

[Freesurfer] libjpeg.so.62

2013-02-26 Thread Varghese Chikku
Hi I am getting an error while using qdec. It says error while loading shared libraries ,libjpeg.so.62 cannot open shared object file No such file or directory I ran reconall with out any problem. Any idea, tx chikku ___ Freesurfer mailing list Fre

Re: [Freesurfer] libjpeg.so.62

2013-02-26 Thread Tibor Auer
Do you have libjpeg62 installed? It is required for visualisation but not for the analysis, hence there was no error during reconall. Cheers, Auer, Tibor M.D. Ph.D. MRC Cognition and Brain Sciences Unit 15 Chaucer Road Cambridge CB2 7EF United Kingdom Phone/Work: +44-(0)1223-355294 (ext. 869) M

Re: [Freesurfer] blend own template into FS pipeline

2013-02-26 Thread Bruce Fischl
what normalization do you mean, and what do you mean by contrast results? On Mon, 25 Feb 2013, Schumman Resonance wrote: > 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 > wro

Re: [Freesurfer] aseg.mgz display only left hemisphere

2013-02-26 Thread Bruce Fischl
Hi Azeez no, both hemispheres should be labeled by default. Are you sure it's not just the colors that are confusing you? The left hemi WM is shown in white by default, but if you mouse over it in freeview or tkmedit it should show the label Left-Cerebral-White-Matter. cheers Bruce On Tue,

Re: [Freesurfer] A question regarding high FA values when running DTI script

2013-02-26 Thread Bruce Fischl
Hi Rotem that's always a problem with FA estimation (the partial volume stuff I mean). It's hard to diagnose this without seeing some images. Can you send some of the registration? cheers Bruce On Tue, 26 Feb 2013, Rotem Saar wrote: Hi Bruce,   Thanks for your answer and sorry about the

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

2013-02-26 Thread Blessy M
I verified lh.orig.nofix, and it looks fine. But, there has been no new files created since Saturday (2/23/2013). I am considering stopping the process. I was thinking, I had created a skull stripped image, and was giving that as input to recon-all in the command below: recon-all -subjid . -nosku

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

2013-02-26 Thread Bruce Fischl
is it still on defect 32? What does the tail of the recon-all.log say? And can you send us an image of the lh.inflated.nofix (if it is the lh that is running)? On Tue, 26 Feb 2013, Blessy M wrote: I verified lh.orig.nofix, and it looks fine. But, there has been no new files created since S

Re: [Freesurfer] libjpeg.so.62

2013-02-26 Thread Nick Schmansky
Chikku, I am guessing that you are using Ubuntu. To fix this problem: cd /usr/lib sudo ln -s libjpeg.so.8 libjpeg.so.62 in other words, link whatever libjpeg is already installed to the name libjpeg.so.62. Nick > Hi > I am getting an error while using qdec. It says error while > loadi

Re: [Freesurfer] Mac mountain lion installation problem

2013-02-26 Thread Nick Schmansky
Paula, That seems plenty adequate to run recon-all, so four days to process bert seems odd. Are your energy settings set to goto sleep? The adapter setting should be set to 'never' sleep. Nick > Hi Nick, > > These are my system's specifications: > Processor 2 x 2,4 GHz 6-Core Intel Xeon > Me

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

2013-02-26 Thread Blessy M
Yes it is still at defect 32. The tail of the recon-all.log is as follows: CORRECTING DEFECT 30 (vertices=18, convex hull=22) After retessellation of defect 30, euler #=-7 (59491,172395,112897) : difference with theory (-28) = -21 CORRECTING DEFECT 31 (vertices=244, convex hull=142) After retess

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

2013-02-26 Thread Bruce Fischl
you can save a tif of it and post it to the list On Tue, 26 Feb 2013, Blessy M wrote: Yes it is still at defect 32. The tail of the recon-all.log is as follows: CORRECTING DEFECT 30 (vertices=18, convex hull=22) After retessellation of defect 30, euler #=-7 (59491,172395,112897) : differenc

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

2013-02-26 Thread Daniel Cole
I was holing out on an analysis before rebooting but that seemed to do the trick! Thanks all! Daniel On Mon, Feb 25, 2013 at 5:58 PM, Nick Schmansky wrote: > have you rebooted since installing XQuartz? i've found a reboot is > necessary to get Terminal to open up again. > > N. > > > On Mon, 2

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

2013-02-26 Thread Nick Schmansky
Daniel, Are you using your Mac to run recon-all? I'm curious about the run-times you are seeing. Others have had very long run times, which I cannot explain. I'd expect about 24 hour runtime, possible half that or less, on a current Macbook Pro. Nick On Tue, 2013-02-26 at 12:51 -0500, Daniel

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

2013-02-26 Thread Daniel Cole
Yes I am running recon-all on a Mac. It is an office computer (so not a Macbook pro) and my runtimes are around 15-20 hours for each subject. Daniel On Tue, Feb 26, 2013 at 12:54 PM, Nick Schmansky wrote: > Daniel, > > Are you using your Mac to run recon-all? I'm curious about the > run-times

Re: [Freesurfer] Freesurfer problem on Amazon EC2

2013-02-26 Thread Pedro Paulo de Magalhães Oliveira Junior
The micro instance won't work. You'll need at least one m1.medium instance. I don't want to advertise it again but have you considered using http://cerebralvol.com that runs EC2 instances - Pedro Paulo de Magalhães Oliveira Jun

[Freesurfer] problem with trac-all -prep proc stage

2013-02-26 Thread Jon Wieser
hello i ran a trac-all -prep -c ./dmrirc_single_subject and got the following error: flirt -in /BrainLabDocs/Studies/Alcohol_Study/Alc_Data_Faces/1191//freesurfer/dmri/brain_anat.nii.gz -ref /usr/local/fsl/data/standard/MNI152_T1_1mm_brain.nii.gz -out /BrainLabDocs/Studies/Alcohol_Study/Alc

Re: [Freesurfer] problem with trac-all -prep proc stage

2013-02-26 Thread Anastasia Yendiki
Hi Jon - Are you trying to use CVS for inter-subject registration? a.y On Tue, 26 Feb 2013, Jon Wieser wrote: > hello > > i ran a trac-all -prep -c ./dmrirc_single_subject and got the following > error: > > > flirt -in > /BrainLabDocs/Studies/Alcohol_Study/Alc_Data_Faces/1191//freesurfer/dm

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

2013-02-26 Thread Andries R. Van Der Leij
Hi Bruce, Ouch, I have quite some subjects. Luckily, with some help I found out you can reverse it, by using: annot2label with pial rm *Medial_wall* Label2surf (fsl) using a textfile containing all the other labels This pretty much solves it. Thank you again, Andries Sent from my iPhone On F

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

2013-02-26 Thread Bruce Fischl
glad to hear it Bruce On Tue, 26 Feb 2013, Andries R. Van Der Leij wrote: > Hi Bruce, > > Ouch, I have quite some subjects. Luckily, with some help I found out > you can reverse it, by using: > annot2label with pial > rm *Medial_wall* > Label2surf (fsl) using a textfile containing all the other la

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

2013-02-26 Thread Blessy M
I ran this command, and got the attached image tkmedit ./ brainmask.mgz lh.inflated.nofix For some reason tksurfer is not looking good/complete tksurfer ./ lh inflated On Tue, Feb 26, 2013 at 11:53 AM, Bruce Fischl wrote: > you can save a tif of it and post it to the list > > On Tue, 26 Feb 201

Re: [Freesurfer] problem with trac-all -prep proc stage

2013-02-26 Thread Anastasia Yendiki
Make sure doregcvs is not set to 1 in your config file. This option is not meant to be used in 5.1 but will be in 5.2. On Tue, 26 Feb 2013, Jon Wieser wrote: > hi anastasia, > i don't know what "CVS for inter-subject registration " is. > Jon > > - Original Message - > From: "Anastasia Y

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

2013-02-26 Thread Bruce Fischl
Hi Blessy what format is this? If you don't send it with an extension there is no way to know Bruce On Tue, 26 Feb 2013, Blessy M wrote: Forgot the image. please find attached. On Tue, Feb 26, 2013 at 2:45 PM, Blessy M wrote: I ran this command, and got the attached image t

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

2013-02-26 Thread Blessy M
I should have send it with an extension. But it is tiff, just as you asked. On Tue, Feb 26, 2013 at 3:03 PM, Bruce Fischl wrote: > Hi Blessy > > what format is this? If you don't send it with an extension there is no > way to know > Bruce > > On Tue, 26 Feb 2013, Blessy M wrote: > > Forgot t

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

2013-02-26 Thread Bruce Fischl
thanks. I actually meant a tksurfer image, but this might do. Two questions: 1. Is this a contrast-enhanced acquisition? That will make things more difficult, although we have processed them in the past. 2. I think the skull stripping removed some brain tissue, which may be the source of you

Re: [Freesurfer] Hippocampus volume calculations

2013-02-26 Thread Joshua Lee
I have noticed that Freesurfer tends to include white matter in superior hippocampus (e.g. alveus), perhaps this is not included in the hipposubfields volumes? Wondering, if I were to take a hand traced hippocampus rename it to aseg.mgz, and made sure that the label matched what Freesurfer expects

Re: [Freesurfer] Hippocampus volume calculations

2013-02-26 Thread Bruce Fischl
alveus (and fimbria) are defined to be part of the hippocampus in the aseg. Did you include them in your calculation of subfield hippocampal volume? On Tue, 26 Feb 2013, Joshua Lee wrote: I have noticed that Freesurfer tends to include white matter in superior hippocampus (e.g. alveus), perha

Re: [Freesurfer] mgh conversion

2013-02-26 Thread Douglas N Greve
I think you can analyze the data in SPM as long as you don't do anything that makes assumptions about the spatial organization of the data (eg, spatial smoothing or clustering). doug On 02/26/2013 11:18 AM, Glen Lee wrote: > Hi Doug > Many thanks for clarification. > Yes, I was hoping to run GL

Re: [Freesurfer] Pipeline Question(s) for mri_ca_train

2013-02-26 Thread Douglas N Greve
Hi Daniel, I'm reposting this to the FS list because I don't really use mri_ca_train. doug On 02/26/2013 02:45 PM, Barron, Daniel S wrote: > Hello Dr. Greve, > > I am trying to create a .gca for thalamic nuclei. Based on the Morel > 2007 atlas, I have created 6 nuclear grouping masks per hemisp

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

2013-02-26 Thread Douglas N Greve
Hi Paul, I'm not sure I understand. What does 3dcalc have to do with the LUT? doug On 02/25/2013 05:13 PM, Paul Beach wrote: > Hi Doug. Thank you for the e-mail. > > I do, actually, have a 'next step' problem. > > I've been able to get ROIs drawn in tksurfer into an augmented > aparc+aseg file

Re: [Freesurfer] Problem with glmfit: matrix is ill-conditioned

2013-02-26 Thread Douglas N Greve
Hi Ed, I think it is just the way you have the matrix set up. You'll need to alter the matrix in some way. doug On 02/26/2013 04:08 AM, Ed Gronenschild wrote: > Hi Doug, > > The condition numbers were: > - 1e+08 for problematic fsgd file > - 371.233 for previous fsgd file > > I tried also v5.1, h

[Freesurfer] Mean intensity values

2013-02-26 Thread Hunt, Sarah C
Hello, I recently ran freesurfer on a group of patients and controls, and have found a statistically significant difference between groups in the mean intensities of certain grey-matter regions (the grey matter volumes of these regions are not statistically different.) Mean intensity values we

Re: [Freesurfer] Mean intensity values

2013-02-26 Thread Bruce Fischl
Hi Sarah typically we assume that myelin content is the dominant source of contrast, but of course there are other things in there as well for sure cheers Bruce On Tue, 26 Feb 2013, Hunt, Sarah C wrote: > Hello, > > I recently ran freesurfer on a group of patients and controls, and have found

[Freesurfer] Export wmparc to table

2013-02-26 Thread Mohammed Goryawala
Hello FreeSurfer experts, I want to export the white matter volumes from the wmparc stats file to a table. I cannot find the information on the wiki page. Thanks for your help. Dr. Mohammed Goryawala Center for Advanced Technology and Education Miami, Florida

[Freesurfer] FreeSurferColorLUT labels

2013-02-26 Thread Susan Alice McLaughlin
Hi, In FreeSurferColorLUT.txt (Freesurfer 5.1), there is a label for the inferior colliculus (7100), but this structure seems only to be labeled collectively with other brainstem structures (16) in aparc.a2009s+aseg. It appears from posts in the mail list that only a subset of the labels in Fr

Re: [Freesurfer] FreeSurferColorLUT labels

2013-02-26 Thread Bruce Fischl
Hi Susan Sorry, it's in the lut because it's n our todo list, but we haven't done it yet Bruce On Feb 26, 2013, at 9:27 PM, Susan Alice McLaughlin wrote: > Hi, > > In FreeSurferColorLUT.txt (Freesurfer 5.1), there is a label for the inferior > colliculus (7100), but this structure seems onl