[Freesurfer] preproc-sess error with -per-session flag

2011-11-28 Thread Elisa Scariati
Dear Freesurfers,

I ran into an issue while trying to preprocess some resting state data. As
I wished to use the first slice to correct for motion, I typed in this
command : preproc-sess -s 5167/ -fsd bold -stc down -surface fsaverage lhrh
-mni305-2mm -fwhm 6 -*per-session. *

The error message was the following :

..
stc-sess Done
5167 To Surface -
rawfunc2surf-sess -fwhm 6 -s 5167 -d /Applications/freesurfer/sessions -fsd
bold -stc down -update
instem fmcpr.down
outstem fmcpr.down.sm6.fsaverage.hemi
--
1/1 5167
  1/1 5167 007 lh -
Fri Nov 25 09:39:53 CET 2011
ERROR: could not determine file for
/Applications/freesurfer/sessions/5167/bold/007/fmcpr.down

When I use the middle slice as a reference slice with the command *-per-run
*I don't have any problems.
Does any one know where this is coming from? I see some people already had
the same issue a while ago,  does any one know if a solution was found?


Cheers,
Elisa Scariati
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Re: [Freesurfer] Yeo_JNeurophysiol11_FreeSurfer networks

2011-11-28 Thread Yolanda Vives
Hi Thomas,

Thank you for your answer, I will try to project your parcellation in
fsaverage space to BASGU space first.

Regards,
Yolanda

2011/11/26 Thomas Yeo yeoye...@gmail.com

 Hi Yolanda,

 Just to understand what you are doing, you have run BASGU through
 recon-all and you are trying to project the surface parcellation into
 the anatomical volume of BASGU?

 The annotation we are providing is actually in fsaverage space, so you
 need to first project the parcellation from fsaverage space to BASGU
 native surface space before running mris_annot_to_segmentation to
 project the parcellation into his/her anatomical volume.

 To project the parcellation from freesurfer surface space to the
 subject's native surface space, I think you can use mri_surf2surf,
 although I am not sure if there's a more specific freesurfer function
 that is specialized for transferring annotation files.

 --Thomas

 On Thu, Nov 24, 2011 at 4:11 PM, Yolanda Vives yvi...@pic.es wrote:
  Dear Freesurfer experts,
 
  I would like to use the Yeo_JNeurophysiol11_FreeSurfer parcellations
 with my
  dataset and I am not sure what I have to do. I have used the
  mris_annot_to_segmentation command but I have the following error:
 
  mris_annot_to_segmentation BASGU lh inflated
  ./fsaverage5/label/lh.Yeo2011_17Networks_N1000.annot
  ../Yeo_JNeurophysiol11_MNI152/Yeo2011_17Networks_ColorLUT.txt test
  reading /freesurfer/BASGU/surf/lh.inflated...
  reading colortable from annotation file...
  colortable with 18 entries read (originally MyColorLUT)
  mri_read(): couldn't determine type of file /freesurfer/BASGU/mri/T1
  (null): could not read T1 for template volume
 
  I have a T1.mgz file inside mri/. Where could be the problem? Is this
  command appropriate?
 
  Thank you in advance,
  Yolanda
 
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[Freesurfer] Number of maximal permutations / pooled variance estimates

2011-11-28 Thread Jürgen Hänggi
Dear FS experts

I have a question regarding the number of maximal permutations. I compare a
single patient versus a group of six control subjects. Intuitively, I guess
that only six different permutations are possible. However, when running 100
permutations in FS with mri_glmfit-sim, I get different results for each
permutations as confirmed in the CSD file.

So, I am not sure any longer whether the permutations are built by permuting
the subjects or anything else.

The other question is how mri_glmfit estimates the variance. Because I have
only one subject in the patient group, there is not variance in that group
and therefore I guess mri_glmfit used pooled (across both groups) estimates
of variance, isn't it?

Any comment is highly appreciated
Thanks in advance
Best regards
Jürgen



Jürgen Hänggi, Ph.D.
Division Neuropsychology
Institute of Psychology
University of Zurich
Binzmuehlestrasse 14, PO Box 25
8050 Zurich, Switzerland
0041 44 635 73 97 (phone office)
0041 76 445 86 84 (phone mobile)
0041 44 635 74 09 (fax office)
BIN 4.D.04 (office room number)
j.haenggi[at]psychologie.uzh.ch (email)
http://www.psychologie.uzh.ch/neuropsy/ (website)
http://www.juergenhaenggi.ch (private website)

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[Freesurfer] longitudinal processing edema from lesion causing skewed registration

2011-11-28 Thread kelsi
Hi,

I am doing longitudinal processing of multiple subjects (each with 3
sessions) post stroke.  However, some of the lesions are so extensive in
the first session that they cause edema and push the brain midline.  This
greatly affects the pial surface on the lesioned hemishpere after
longitudinal processing with the other sessions of the same subject.  Is
there anyway to fix this without manually editing the area?  Would it help
to register each session individually to fsaverage instead of registering
them first across sessions?  Thank you!

Kelsi
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Re: [Freesurfer] running recon-all after editing aseg.mgz

2011-11-28 Thread Michael Harms

If you only made edits to the aseg, then you can run:
recon-all -s subject_name -autorecon2-aseg -autorecon3
which omits some stages that don't need to be redone (but which would
otherwise be included if you use the -autorecon2 flag).

If you in addition added control points, then you would run
recon-all -s subject_name -autorecon2-cp -autorecon3
which includes the stages needed to handle the aseg edits as well.

cheers,
-MH

On Fri, 2011-11-25 at 22:49 +0100, Tetiana Dadakova wrote:
 Hi Maria,
 
 Yes, you are editing aseg.mgz. After saving the segmentation, you should run
 recon-all -s subject_name -autorecon2 -autorecon3.
 If you also added some control points, then you should run
 recon-all -s subject_name -autorecon2-cp -autorecon3
 
 Best wishes,
 Tanja.
 
 On Fri, Nov 25, 2011 at 10:40 PM, Maria Jalbrzikowski
 mjalbrzikow...@gmail.com wrote:
 
  Hi,
 
   I am a relatively new user of Freesurfer and have a couple questions.
  I have gone through the tutorials and I am now at the point where I check
  the segmentation.
  If I open my subject in tkemdit
  (tkmedit your_subject_name brainmask.mgz -surfs -aseg)  and use the edit the
  segmentation and then press save segmentation, I am editing the aseg.mgz
  file, correct?  After doing that, what parts of recon-all would I need to
  run again?
  Thanks,
  Maria
  --
  Maria Jalbrzikowski, M.A.
  University of California, Los Angeles
 
 
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Re: [Freesurfer] subjects with contrast medium

2011-11-28 Thread Bruce Fischl
do you mean gado? If so, it should work although things like dura and 
choroid that get very bright may need some extra manual editing.


cheers
Bruce


On Mon, 28 Nov 2011, LAOUCHEDI MAKHLOUF wrote:


hi everyone
 i am working on traumatic brain injury and noticed that some 
exams i received recently (T1datasets) were conducted using à contrast
medium: sometimes the whole memisphere presents hypersignal. can i run 
recon-all (if there is a way) on such subjects?

thanks

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[Freesurfer] Surface X, Y, Z to Tailarach or Volume Index

2011-11-28 Thread Frank Leone
Dear all,

I wrote my own function to show the 3D surfaces in Matlab, works
splendidly. I now however want to be able to point out Tailarach/MNI
coordinates on the 3D surface. I however only have the x, y, z format
that is saved in the asc files, which is just where a certex is
located in space, with no relation to the original brain whatsoever.
The only thing I can retrieve is the vertex index (because that's in
the asc file).

How can convert the 3D X, Y, Z values (the same values you get in the
console if you click on a point on the surface in tksurfer) to either
Vertex RAS/Talairach or Volume index? I read the information on
conversions between surface Talairach and Volume Index, that works,
but this case is different: I am actually referring to the 3D
locations of the vertices. Hopefully someone can help me, thanks a lot
in advance,

         best,

                  Frank

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[Freesurfer] Freesurfer projecting vector results for segmented cortical regions

2011-11-28 Thread Weisinger, Brian (NIH/NIMH) [F]
hello

we are trying to project a vector of results for  segmented cortical regions
(i.e.,...
 lh_middletemporal_thickness 0.000757119
 rh_middletemporal_thickness 8.06E-05
 lh_parahippocampal_thickness -0.000510407
 rh_parahippocampal_thickness 0.000625997
 lh_pericalcarine_thickness 0.000499749
 rh_pericalcarine_thickness 0.000903678
 lh_superiortemporal_thickness 0.001732855
 rh_superiortemporal_thickness 0.000184256
 lh_temporalpole_thickness 0.001075362
 rh_temporalpole_thickness -0.000381165
 lh_transversetemporal_thickness 0.000558122
 rh_transversetemporal_thickness 6.65E-05
...)

 however, we are unsure of how to do this.
so, our question is— what is the sequence of steps we need to take to visualize 
our results on the segmented 3D template in tksurfer.


Thanks for your help,

Brian Weisinger

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Re: [Freesurfer] Freesurfer projecting vector results for segmented cortical regions

2011-11-28 Thread Weisinger, Brian (NIH/NIMH) [F]
Thanks for the help. We don't have matlab here in our lab, but we do have R. Is 
there a way to use R and get the same desired result?


On 11/28/11 11:46 AM, Bruce Fischl fis...@nmr.mgh.harvard.edu wrote:

Hi Brian,

I guess you can use read_annotation.m in matlab and set every vertex within
the given parcellation to the value you specify below, then write it out as
either an nvertices x 1 x 1 .mgz file with save_mgh, or use write_curv.m

cheers
Bruce


On Mon, 28 Nov 2011, Weisinger, Brian
(NIH/NIMH) [F] wrote:

 hello

 we are trying to project a vector of results for  segmented cortical regions
 (i.e.,...
 lh_middletemporal_thickness 0.000757119
 rh_middletemporal_thickness 8.06E-05
 lh_parahippocampal_thickness -0.000510407
 rh_parahippocampal_thickness 0.000625997
 lh_pericalcarine_thickness 0.000499749
 rh_pericalcarine_thickness 0.000903678
 lh_superiortemporal_thickness 0.001732855
 rh_superiortemporal_thickness 0.000184256
 lh_temporalpole_thickness 0.001075362
 rh_temporalpole_thickness -0.000381165
 lh_transversetemporal_thickness 0.000558122
 rh_transversetemporal_thickness 6.65E-05
 ...)

 however, we are unsure of how to do this.
 so, our question is? what is the sequence of steps we need to take to 
 visualize our results on the segmented 3D template in tksurfer.


 Thanks for your help,

 Brian Weisinger

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[Freesurfer] Surface Area from mri_surfcluster versus mri_segstats

2011-11-28 Thread MCLAREN, Donald
I've noticed that if I run mri_surfcluster to produce a label file, then
merge the labels into a single label using mri_mergelabels, then
mri_segstats with the slabel option with the fsaverage subject; I get
different surface areas from mri_surfcluster (summed all the cluster areas)
and mri_segstats (1 area). Is there something wrong with my implementation
of these three commands or is it expected that the two methods would
produce different values?



Best Regards, Donald McLaren
=
D.G. McLaren, Ph.D.
Postdoctoral Research Fellow, GRECC, Bedford VA
Research Fellow, Department of Neurology, Massachusetts General Hospital
and
Harvard Medical School
Office: (773) 406-2464
=
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[Freesurfer] create an annotation file

2011-11-28 Thread LAOUCHEDI MAKHLOUF
hi everyone
   i am new in freesurfer and i want to create a masque of some 
color made of somme régions labels (say for ex. the post central gyrus and 
precentral gyrus or any combination of geri and sulcus) to put it as a layer on 
an a pial or inflated surface. how can i proceed?

thanks
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[Freesurfer] Installation FS

2011-11-28 Thread nooshin n.zade
Dear FreeSurfer Group

I have some problem for installing the FS. Using following links, I
downloaded and installed freesurfer-Darwin-leopard. For next step, in
terminal when I write source $FREESURFER_HOME/SetUpFreeSurfer.sh or
source $FREESURFER_HOME/SetUpFreeSurfer.csh it says that No such file or
directory while I can see both in freesurfer folder.
Can you please guide me what is the reason and how I can solve it.


http://surfer.nmr.mgh.harvard.edu/fswiki/MacOsInstall
http://surfer.nmr.mgh.harvard.edu/fswiki/SetupConfiguration

-- 

Best Regards
---
Nooshin N. Zadeh
Graduate Assistant

Departments of Electrical Engineering and Neurology
University of Miami
**
*
*
*
*
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Re: [Freesurfer] trac-all Error: bvecs and bvals don't have the same number of entries

2011-11-28 Thread Peter J. Molfese
Sorry for the delay in responding, I wanted to try every permutation that I 
could think of.  I updated the tracula binaries for snow leopard 
(https://mail.nmr.mgh.harvard.edu/pipermail//freesurfer/2011-August/019946.html)
 and that gives me some of the same, and some different issues that may help.  
First, if the bvec file is in the correct format (3 columns), then it copies 
the file correctly and trac-all continues smoothly.  If the file is in the 3 
row format (needing to be transposed), then tracula will only copy the first 9 
numbers out of it giving the error of not having the correct number of bvecs to 
bvals.  So that seems fixable, I just need to reorient all of our bval and bvec 
files into the correct format.  

I'm still a bit unsure why tracula won't create the bvec and bval files during 
the mri_convert stage.  I have been using dcm2nii to create these two files but 
then continue to give tracula the path to the dicom files.  So the orientation 
of this file could be related to how dcm2nii writes the files.  Any suggestions 
would be very welcome.  As it stands, my current workflow is:

1. use dcm2nii to create bvec and bval files
2. reorient bvec and bval files to be 3 column and 1 column format respectively.
3. run trac-all -prep with a config file showing where the dicom images are and 
hand specifying the bvec and bval files

Peter


Peter J. Molfese, Ph.D.
Postdoctoral Associate
Haskins Laboratories
300 George Street, Suite 900
New Haven, CT 06511
peter.molf...@yale.edu


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Re: [Freesurfer] trac-all Error: bvecs and bvals don't have the same number of entries

2011-11-28 Thread Anastasia Yendiki

Hi Peter - The format for the bvec and bval files is explained in:
$FREESURFER_HOME/bin/dmrirc.example

If you've structured your dmrirc following this example file and you're 
still getting this error, please send the following so I can debug this:
- your exact trac-all command line
- your dmrirc file
- your trac-all.log
- the actual bvecs and bvals files that you specify in your dmrirc

Thanks,
a.y

On Mon, 28 Nov 2011, Peter J. Molfese wrote:

 Sorry for the delay in responding, I wanted to try every permutation that I 
 could think of.  I updated the tracula binaries for snow leopard 
 (https://mail.nmr.mgh.harvard.edu/pipermail//freesurfer/2011-August/019946.html)
  and that gives me some of the same, and some different issues that may help. 
  First, if the bvec file is in the correct format (3 columns), then it copies 
 the file correctly and trac-all continues smoothly.  If the file is in the 3 
 row format (needing to be transposed), then tracula will only copy the first 
 9 numbers out of it giving the error of not having the correct number of 
 bvecs to bvals.  So that seems fixable, I just need to reorient all of our 
 bval and bvec files into the correct format.

 I'm still a bit unsure why tracula won't create the bvec and bval files 
 during the mri_convert stage.  I have been using dcm2nii to create these two 
 files but then continue to give tracula the path to the dicom files.  So the 
 orientation of this file could be related to how dcm2nii writes the files.  
 Any suggestions would be very welcome.  As it stands, my current workflow is:

 1. use dcm2nii to create bvec and bval files
 2. reorient bvec and bval files to be 3 column and 1 column format 
 respectively.
 3. run trac-all -prep with a config file showing where the dicom images are 
 and hand specifying the bvec and bval files

 Peter


 Peter J. Molfese, Ph.D.
 Postdoctoral Associate
 Haskins Laboratories
 300 George Street, Suite 900
 New Haven, CT 06511
 peter.molf...@yale.edu


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Re: [Freesurfer] FSGD for dtrecon group analysis

2011-11-28 Thread Lilla Zollei


Hi Antonella,


1) I will be very grateful if you let me know what data I should use for my 
fsgd when I run the GLM group analysis: the dti data after running the dtrecon 
(for example for my first control I called this directory C01_dti or the FS 
data after running recon-all on the
structural data in this case called C01?


Given that you are preparing your fa data for the analysis, indicated 
below, you will need to use the dti directories, eg.: C01_dti.



2) When I  concatenate fa from individuals into one file using: mri_concat 
*/fa-tal.nii --o group-fa-tal.nii
how I can check if the order agrees with my fsgd?


You can list the files using ls -l */fa-tal.nii and the order that you 
see is the order in which they get concatenated in your output file. You 
need to make sure that that order agrees with the contents of your fsgd 
file.



3) When I  concatenate fa from individuals into one file do I need to move all 
the fa-tal.nii into one directory or I can have each of the fa-tal files under 
different subject's directory?
Aas example: C01_dti will contain the corresponding fa-tal.nii for the control 
1, C02_dti will contain his corresponding fa-tal.nii, etc and all the subjects 
C01_dti, C02_dti,...P01_dti, P02_dti... are located into one directory called 
dtrecon.


You can have them under different subdirectories, but then your mri_concat 
command needs to reflect that, for example,

mri_concat */dtrecon/fa-tal.nii --o group-fa-tal.nii

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Re: [Freesurfer] Installation FS

2011-11-28 Thread Louis Nicholas Vinke
Hi Nooshin,
Did you include the full path to your freesurfer directory when setting 
the FREESURFER_HOME variable with the 'setenv' command?
-Louis

On Mon, 28 Nov 2011, nooshin n.zade wrote:

 Dear FreeSurfer Group

 I have some problem for installing the FS. Using following links, I
 downloaded and installed freesurfer-Darwin-leopard. For next step, in
 terminal when I write source $FREESURFER_HOME/SetUpFreeSurfer.sh or
 source $FREESURFER_HOME/SetUpFreeSurfer.csh it says that No such file or
 directory while I can see both in freesurfer folder.
 Can you please guide me what is the reason and how I can solve it.


 http://surfer.nmr.mgh.harvard.edu/fswiki/MacOsInstall
 http://surfer.nmr.mgh.harvard.edu/fswiki/SetupConfiguration


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Re: [Freesurfer] Freesurfer projecting vector results for segmented cortical regions

2011-11-28 Thread Michael Waskom
If you've got any Python users in the lab, this shouldn't be to hard to
accomplish with pysurfer: pysurfer.github.com

I'm happy to walk you through the steps if you're interested.

Michael

On Mon, Nov 28, 2011 at 8:52 AM, Weisinger, Brian (NIH/NIMH) [F] 
brian.weisin...@nih.gov wrote:

 Thanks for the help. We don't have matlab here in our lab, but we do have
 R. Is there a way to use R and get the same desired result?


 On 11/28/11 11:46 AM, Bruce Fischl fis...@nmr.mgh.harvard.edu wrote:

 Hi Brian,

 I guess you can use read_annotation.m in matlab and set every vertex within
 the given parcellation to the value you specify below, then write it out as
 either an nvertices x 1 x 1 .mgz file with save_mgh, or use write_curv.m

 cheers
 Bruce


 On Mon, 28 Nov 2011, Weisinger, Brian
 (NIH/NIMH) [F] wrote:

  hello
 
  we are trying to project a vector of results for  segmented cortical
 regions
  (i.e.,...
  lh_middletemporal_thickness 0.000757119
  rh_middletemporal_thickness 8.06E-05
  lh_parahippocampal_thickness -0.000510407
  rh_parahippocampal_thickness 0.000625997
  lh_pericalcarine_thickness 0.000499749
  rh_pericalcarine_thickness 0.000903678
  lh_superiortemporal_thickness 0.001732855
  rh_superiortemporal_thickness 0.000184256
  lh_temporalpole_thickness 0.001075362
  rh_temporalpole_thickness -0.000381165
  lh_transversetemporal_thickness 0.000558122
  rh_transversetemporal_thickness 6.65E-05
  ...)
 
  however, we are unsure of how to do this.
  so, our question is? what is the sequence of steps we need to take to
 visualize our results on the segmented 3D template in tksurfer.
 
 
  Thanks for your help,
 
  Brian Weisinger
 
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