[Freesurfer] DTI Group Analysis Study

2011-11-14 Thread Antonella Kis
results from FSl with th eone from Freesurfer: TRACULA or dt_recon method. Please advise. Many thanks, Antonella From: Anastasia Yendiki To: Antonella Kis Cc: "freesurfer@nmr.mgh.harvard.edu" Sent: Friday, November 11, 2011 4:45 PM Subject: Re: [Frees

[Freesurfer] CVS template for registration

2011-11-14 Thread Antonella Kis
Dear all: Based on the DTI Basic Tutorial I understood that MRI data can be resampled & registered in CVS space (by running  mri_cvs_register), but alternatively can be normalized  in any other (for example, MNI or Talairach). Can you please let me know how this can be done in MNI152 spac

Re: [Freesurfer] dt_recon registration

2011-11-15 Thread Antonella Kis
s for your time and help. Best regards, Antonella From: Lilla Zollei To: Antonella Kis Cc: "freesurfer@nmr.mgh.harvard.edu" Sent: Monday, November 14, 2011 4:13 PM Subject: Re: [Freesurfer] dt_recon registration Hi Antonella, > 1) I will be very g

Re: [Freesurfer] cvs_avg35

2011-11-16 Thread Antonella Kis
his the equivalent file to fa-masked.ANAT+CVS-to-avg35.mgz (if I use the CVS space)? In this case I don't need to run the last mri_vol2vol command? Sorry for asking so many questions but it is very confusing the online material. Many thanks! Antonella From: Lilla Zollei To: Antonella Ki

[Freesurfer] Fw: ERROR with cvs_avg35 template

2011-11-21 Thread Antonella Kis
;lzol...@nmr.mgh.harvard.edu" To: Antonella Kis Cc: Lilla Zollei Sent: Friday, November 18, 2011 2:11 PM Subject: Re: cvs_avg35 Hi Antonella, > I know that mri_vol2vol just applies the transform. --no-save-reg just > tells the > command not to save a copy of the inverse transform th

[Freesurfer] ERROR with cvs_avg35 template

2011-11-22 Thread Antonella Kis
;lzol...@nmr.mgh.harvard.edu" To: Antonella Kis Cc: Lilla Zollei Sent: Friday, November 18, 2011 2:11 PM Subject: Re: cvs_avg35 Hi Antonella, > I know that mri_vol2vol just applies the transform. --no-save-reg just > tells the > command not to save a copy of the inverse transform th

[Freesurfer] ERROR with cvs_avg35 template

2011-11-23 Thread Antonella Kis
;lzol...@nmr.mgh.harvard.edu" To: Antonella Kis Cc: Lilla Zollei Sent: Friday, November 18, 2011 2:11 PM Subject: Re: cvs_avg35 Hi Antonella, > I know that mri_vol2vol just applies the transform. --no-save-reg just > tells the > command not to save a copy of the inverse transform th

[Freesurfer] FSGD for dtrecon group analysis

2011-11-28 Thread Antonella Kis
Dear Lilla, 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 i

[Freesurfer] How to display the dtrecon results

2011-11-29 Thread Antonella Kis
Dear Lilla, Sorry I am bother you one more time with a question: I was trying to display the dtrecon result smore exactly the GLM group analysis results. After I did the mri_concat */fa-tal.nii --o group-fa-tal.nii I  created a mask: mri_concat */mask-tal.nii --o group-masksum-tal.nii --mean

[Freesurfer] TAL-to-avg35

2011-11-29 Thread Antonella Kis
Dear experts, I would appreciate if you can provide me with the TAL-to-avg35 template. Thank you very much! ANtonella ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The inform

[Freesurfer] resampled image of the diffusion data to structural data

2011-11-30 Thread Antonella Kis
Dear FS experts, 1) From dt_recon --help I found that: Registration of lowb to same-subject anatomical using FSLs flirt creates mask.nii and register.dat I would appreciate if you can let me know  if mask.nii is theresampled image of any of my diffusion related files in the structural space.

[Freesurfer] How to do a group analysis of the DTI data

2011-12-05 Thread Antonella Kis
Player To: Antonella Kis Cc: "freesurfer@nmr.mgh.harvard.edu" Sent: Wednesday, November 30, 2011 5:11 PM Subject: Re: [Freesurfer] resampled image of the diffusion data to structural data Antonella, Please refer to this website for help with group analysis: https://surfer.nmr.mgh.h

[Freesurfer] DTI analysis and mri_glmfit-sim \

2011-12-05 Thread Antonella Kis
Dear all: I am doing an FA group study (controls vs. patients without any covariant so my C = +1.0 -1.0) and I want to see if there are any clusters that survives by multiple comparison so I ran: mri_glmfit --y group-fa-tal.nii --mask group-mask-tal.nii\   --fsgd DTI_group_analysis.fsg

Re: [Freesurfer] DTI analysis and mri_glmfit-sim \

2011-12-05 Thread Antonella Kis
-White-Matter I am not sure if I am doing something wrong but is there a way that I can visualize this clusters with Freeview? Many thanks, Antonella From: Douglas N Greve To: Antonella Kis Cc: "freesurfer@nmr.mgh.harvard.edu" Sent: Monday, December

[Freesurfer] color map in Freeview

2011-12-05 Thread Antonella Kis
Dear All, I was trying to find an explanation of the color map: min, Mid, MAx and Offset values in Freeview. Can someone please explain me if I have the color map set it up as HEAT what is the meaning of this values if for example I am viewing the existing clusters after multiple comparison for

[Freesurfer] Diffusion Tutorial and GroupAnalysis.csh

2011-12-06 Thread Antonella Kis
Dear All, 1) On the FS Diffusion Tutorial webpage I found for the Group Analysis the following scrip: GroupAnalysis.csh with the following instruction: # Assemble input for group analysis set type = CVS-to-avg35# alternatively could be 'TAL-to-avg35' or 'MNI-to-avg35' Can you please e

[Freesurfer] Bad registration

2011-12-06 Thread Antonella Kis
Dear All: I was using dtrecon on my DTI data and by default it will register  my diffusion data (fa) on the TAL space so i got the fa-tal.nii file and the fa-tal-nii.reg the file which encodes the transformation while registering to the TAL space. Can you please advise me what is the best way

Re: [Freesurfer] Diffusion Tutorial and GroupAnalysis.csh

2011-12-07 Thread Antonella Kis
much! Antonella From: Lilla Zollei To: Antonella Kis Cc: "freesurfer@nmr.mgh.harvard.edu" Sent: Tuesday, December 6, 2011 5:01 PM Subject: Re: [Freesurfer] Diffusion Tutorial and GroupAnalysis.csh Hi Antonella, > 1) On the FS Diffusion

[Freesurfer] Registration issues

2011-12-07 Thread Antonella Kis
Dear All: I would like to know if to check my DTI's data registration on the anatomical data having the registration encoded in the registration.dat by tkmedit as below: tkregister2 --mov /media/1Tra/Antonella_2011/DTI_FS/dtrecon/C51_dti.nii.gz --s /media/1Tra/Antonella_2011/DTI_FS/dtrecon/C51

[Freesurfer] Final result of CVS

2011-12-08 Thread Antonella Kis
Dear Lilla, I was running the mri_cvs_register with the flag --noaseg and no argument for my target template so as I understood the registration was done on the cvs template as you can see below: mri_cvs_register--mov P01 --noaseg After registration I got 4 files: combined_tocvs_avg35_elre

[Freesurfer] Error regarding combined_tocvs_avg35_elreg_afteraseg-norm.m3z

2011-12-08 Thread Antonella Kis
Dear All: I am trying to resample my DTI data in the CVS space and seems that after I ran the mri_cvs_register with the flag --noaseg and no argument for my target template (so the registration was done on the cvs template) I got the following error: ERROR: cannot find or read /media/1Tra/A

[Freesurfer] FA interpretation from cvs registration for group analysis

2011-12-12 Thread Antonella Kis
Dear Lilla, I will appreciate a lot if you can help me understand what is the meaning of the results after running after running mri_cvs_register and the GLM group analysis. More exactly, I followed all the instructions from the webpage: http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/Diff

Re: [Freesurfer] FA interpretation from cvs registration for group analysis

2011-12-15 Thread Antonella Kis
  from the http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/Diffusion (I don't see anymore the image with red and blue clusters posted on this website. Is something going on?) Thank you very much! Antonella From: Lilla Zollei To: Antonella Kis

[Freesurfer] Fa clusters from cvs registration for group analysis

2011-12-20 Thread Antonella Kis
Hi, I am doing a DTI group analysis study more exactly I am interested to see any changes in the FA values within two groups: controls versus patients (children with epilepsy). I introduced a white matter mask that will ensure that I am  only considering diffusion values in the white matter

[Freesurfer] Error with mri_cvs_register

2011-12-22 Thread Antonella Kis
Dear experts, I was running the mri_cvs_register for a few times for a subject and I am getting an error. The registration will not bwe completed but I got most of the files so I wonder if I need to re-run the whole registration steps or there is a way to just re-run the registration from the s

Re: [Freesurfer] error with cvs registration

2011-12-28 Thread Antonella Kis
Dear Lilla, I solved the problem with my registration so now is working well but I will be very grateful if you can help me with the following questions: For the DTI group analysis study  I am interested to see any changes in the FA values within two groups: controls versus patients (children

[Freesurfer] Registration Error

2011-12-30 Thread Antonella Kis
Hi, I have a problem with mri_cvs_register. I am getthing the following error and I will be very grateful if you can help me to fix it (I am don't understand what means this errors). Also, after running a group analysis with mri_glmfit-sim and using the option --grf (so I have the survining

[Freesurfer] Group Analysis for non-FA data

2012-01-06 Thread Antonella Kis
Dear Lilla, I wonder if I can use my results from the mri_cvs_register to do a non_FA group study analysis, more exactly I am interested on the mean diffusivity (adc.nii from dt_recon). I hope I don't need to run again the registration again. Since from the significant map I can only find/ tell

[Freesurfer] Non_FA Group Analysis study

2012-01-09 Thread Antonella Kis
Dear FS team, I wonder if I can use my results from the mri_cvs_register to do a non_FA group analysis, more exactly I am interested on the mean diffusivity (adc.nii from dt_recon). I hope I don't need to run again the registration again. Since from the significant map I can only find/ tells

[Freesurfer] Non_FA Group study

2012-01-11 Thread Antonella Kis
Dear FS team, Can use my results from the mri_cvs_register to do a non_FA group analysis, more exactly I am interested on the mean diffusivity (adc.nii from dt_recon). Since from the significant map I can only find the p values how can I see if there is an increase or decrease of the FA va

Re: [Freesurfer] Non_FA Group study

2012-01-11 Thread Antonella Kis
or decrease of the FA values for controls versus patients? Many thanks, Antonella From: Bruce Fischl To: Antonella Kis Cc: "freesurfer@nmr.mgh.harvard.edu" ; "lzol...@nmr.mgh.harvard.edu" Sent: Wednesday, January 11, 2012 11:13 AM Subj

Re: [Freesurfer] Non_FA Group study

2012-01-11 Thread Antonella Kis
trols group versus patients group. Please advise me. Thank you. Antonella From: Bruce Fischl To: Antonella Kis Sent: Wednesday, January 11, 2012 11:40 AM Subject: Re: [Freesurfer] Non_FA Group study Hi Antonella, can you post this type of question t

[Freesurfer] FA group analysis

2012-01-11 Thread Antonella Kis
Dear Bruce, Once again many thanks for helping.I am not using tracula. I used the dt_recon and I have done the registration for my FA data on the cvs space using the mri_cvs_register.  I used the GLM group analysis method after I concatenate FA from individuals into one file and used mr

[Freesurfer] FA and non_FA group analysis

2012-01-12 Thread Antonella Kis
Dear Bruce, Once again many thanks for helping.I am not using tracula. I used the dt_recon and I have done the registration for my FA data on the cvs space using the mri_cvs_register.  I used the GLM group analysis method after I concatenate FA from individuals into one file and used mri

[Freesurfer] FA and non_FA group analysis

2012-01-13 Thread Antonella Kis
Dear Doug, I need some help regarding my FA and non-FA group analysis study. I am not using tracula. I used the dt_recon and I have done the registration for my FA data on the cvs space using the mri_cvs_register.  I used the GLM group analysis method after I concatenate FA from individuals i

Re: [Freesurfer] FA and non_FA group analysis

2012-01-13 Thread Antonella Kis
From: Douglas N Greve To: Antonella Kis ; freesurfer Sent: Friday, January 13, 2012 2:13 PM Subject: Re: Fw: [Freesurfer] FA and non_FA group analysis Look at the original sig map. This will be signed (blue and red/yellow), with blue being neg, red/yellow being

[Freesurfer] Converting mgz to nii.gz

2012-01-16 Thread Antonella Kis
Dear all, I am trying to convert my DTI image which was previous resampled to CVS space from an .mgz format to a .nii.gz format. When I resampled to CVS space I used the nearest interpolation. I used for converting this .mgz image to .nii.gz the mri_convert as you can see below: mri_convert -

[Freesurfer] mri_convert question

2012-01-17 Thread Antonella Kis
Dear all, I wonder why when I am using the mri_convert to convert my mgz image which is very little tilted to the left into a nii.gz image which  appears very little tilted to the right instead to keep the same  direction to the left. I was using: mri_convert /media/2Tra/Antonella_2011/DTI_F

[Freesurfer] How to define the FA-mask

2012-01-18 Thread Antonella Kis
Dear all, On the FS Tutorial/Diffusion the FA masked is defined as: mri_mask $TUTORIAL_DIR/$subj/dtrecon/fa.nii \ $SUBJECTS_DIR/$subj/mri/wmparc2diff.mgz \ $TUTORIAL_DIR/$subj/dtrecon/fa-masked.mgzand when it follows the resampling on the CVS space I see: mri_vol2vol --targ $FREESURFER_HOME/

[Freesurfer] mri_glm with grf over CVS space

2012-01-23 Thread Antonella Kis
Hi, I would like to do a Group Analysis for my FA data. For all my subjects (controls + patients) I have all the fa-masked.ANAT+CVS-to-avg35.mgz (the resampled registered image to CVS space). I am not sure if my steps for the Group Analysis are the right one: 1) Concatenate FA from individuals

Re: [Freesurfer] mri_glm with grf over CVS space

2012-01-24 Thread Antonella Kis
sis.glmdir \  --grf 3 neg \  --cwpvalthresh .05 \  --overwrite Thank you. Antonella From: Douglas N Greve To: Antonella Kis Cc: "freesurfer@nmr.mgh.harvard.edu" Sent: Monday, January 23, 2012 4:50 PM Subject: Re: [Freesurfer] mri_glm with grf over CVS

[Freesurfer] cwp threshold

2012-01-26 Thread Antonella Kis
Dear all, I would like to know if while doing a group analysis for my FA data and I do the correction by  multiple comparisons for the clusters: mri_glmfit-sim \   --glmdir Group_Analysis.glmdir \   --grf 3 neg \   --cwpvalthresh .05 \   --overwrite what exactly is defined the cwpvalthresh. I m

[Freesurfer] How to visualize the group results after corrections by multiple comparison

2012-01-26 Thread Antonella Kis
Hi Doug, Sorry I forgot to ask one more question: after I am getting my clusters for my FA group study should I use the fsaverage (which is not on the CVS space) or the concatenated file GroupAnalysis-fa-masked.ANAT+CVS-to-avg35.mgz (registered over the CVS space) or I should use the CVS space

[Freesurfer] orig.mgz for cvs_avg35

2012-01-30 Thread Antonella Kis
las N Greve To: Antonella Kis Cc: "freesurfer@nmr.mgh.harvard.edu" Sent: Thursday, January 26, 2012 3:17 PM Subject: Re: How to visualize the group results after corrections by multiple comparison Use cvs_avg35 instead of fsaverage doug Antonella Kis wrote: > Hi Doug, > &g

[Freesurfer] ERROR with mri_glmfit-sim

2012-01-30 Thread Antonella Kis
Hi, I was trying to run for my FA group study the following: mri_glmfit-sim \ --glmdir Group_Analysis.glmdir \ --sim neg perm 1 3 permcsd\ --cwpvalthresh .05 but I got an error: Flag permcsd unrecognized and then is asking me agout --sim sign. Can you please help? THANK YOU! Antonella __

[Freesurfer] Error with mri_glmfit permcsd

2012-01-31 Thread Antonella Kis
Hi Doug, I wonder how many hours it can take the mri_glmfit-sim with perm option. This is what I was running yesterday from 2 pm and is still not completed. It can take so long or there may be something wrong? I did not get any error but I have the same number of files as yesterday in my Group

[Freesurfer] re-running mri_glmfit-sim

2012-01-31 Thread Antonella Kis
dear All, I would like to know if I am running the  mri_glmfit-sim \ --glmdir Group_Analysis.glmdir \ --sim perm 1 3 permcsd \ --sim-sign neg \ --cwpvalthresh .05 and I want to change the --sim-sign from neg to positive if I need to run again the whole simulation or I can just run: mri_glm

[Freesurfer] Error with mri_glmfit-sim -- sim perm

2012-02-01 Thread Antonella Kis
Dear all, I was running the simulation:  mri_glmfit-sim \ --glmdir GroupAnalysis_abs.glmdir \ --sim perm 1000 3 permcsd \ --sim-sign abs \ --cwpvalthresh .05 and unfortunately I got the following error: mri_volcluster --in GroupAnalysis_pos.glmdir/contrast/sig.mgh --mask GroupAnalysis_pos.glm

[Freesurfer] Error with mri_volcluster

2012-02-01 Thread Antonella Kis
Dear Doug, I was running the   mri_glmfit-sim \ --glmdir GroupAnalysis_abs.glmdir \ --sim perm 1000 3 permcsd \ --sim-sign abs \ --cwpvalthresh .05 just to get an idea of how my FA Group Analysis data is looking and I got an error before to get the permcsd.sig.cluster.summary file from the mri

[Freesurfer] Error with fsaverage/mri.2mm/reg.2mm.dat

2012-02-01 Thread Antonella Kis
Dear All, Can someone help me to find out what is the equivalent of the fsaverage/mri.2mm/reg.2mm.dat when I use the cvs_avg35 template, I mean I register my FA data over the CVS space? I suppose I will need to repalce the fsaverage/mri.2mm/reg.2mm.dat in the following command: mri_volclust

[Freesurfer] Again Error with mri_glmfit-sim -- sim perm

2012-02-01 Thread Antonella Kis
clear! Antonella From: Douglas N Greve To: Antonella Kis Cc: "freesurfer@nmr.mgh.harvard.edu" Sent: Wednesday, February 1, 2012 1:17 PM Subject: Re: [Freesurfer] Error with mri_glmfit-sim -- sim perm It is looking for the aparc+aseg.mgz so it can

[Freesurfer] FA values

2012-02-02 Thread Antonella Kis
Dear All, How I can get the FA values in a table after running the GLM group analysis for my FA data. I have GroupAnalysis-FA-MASKED.ANAT+CVS-to-avg35.mgz and the gmldir. Thank you. Antonella ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu h

[Freesurfer] FA question

2012-02-02 Thread Antonella Kis
Dear all, I use dt_recon to process my DTI data and get my fa.nii for the individual subjects. I wonder if the FA values can be greater that one since for all my subjects I got the FA max  value graeter than one. Is something wrong with my data or this is acceptable? I saw in  most of the paper

[Freesurfer] Visualising the FA group analysis results

2012-02-03 Thread Antonella Kis
Dear Experts, I completed my FA group analysis and I expect my FA to be larger in controls versus patients (based on the uncorrected results). I corrected by multiple comparisons using: mri_glmfit-sim \ --glmdir GroupAnalysis_pos.glmdir \ --sim perm 1000 3 permcsd \ --sim-sign pos \ --cwpvalth

[Freesurfer] Question regarding DTI group analysis

2012-02-06 Thread Antonella Kis
Dear Experts, I completed my FA group analysis and I expect my FA to be larger in controls versus patients (based on the uncorrected results). I corrected by multiple comparisons using: mri_glmfit-sim \ --glmdir GroupAnalysis_pos.glmdir \ --sim perm 1000 3 permcsd \ --sim-sign pos \ --cwpval

[Freesurfer] Clusters by Multiple comparison

2012-02-06 Thread Antonella Kis
Dear Doug, When I run the: mri_glmfit-sim \ --glmdir GroupAnalysis_pos.glmdir \ --sim perm 1 3 permcsd \ --sim-sign pos \ --cwpvalthresh .05 I am not getting my clusters file permcsd.sig.cluster.mgh  with the clusters summary so as you recommended I am running the mri_volcluster --in Grou

[Freesurfer] Reposting: Clusters by Multiple comparison

2012-02-08 Thread Antonella Kis
Dear Doug, When I run the: mri_glmfit-sim \ --glmdir GroupAnalysis_pos.glmdir \ --sim perm 1 3 permcsd \ --sim-sign pos \ --cwpvalthresh .05 I am not getting my clusters file permcsd.sig.cluster.mgh  with the clusters summary so as you recommended I am running the mri_volcluster --in G

[Freesurfer] Reposting: Question regarding DTI group analysis

2012-02-08 Thread Antonella Kis
Dear Experts, I completed my FA group analysis and I expect my FA to be larger in controls versus patients (based on the uncorrected results). I corrected by multiple comparisons using: mri_glmfit-sim \ --glmdir GroupAnalysis_pos.glmdir \ --sim perm 1000 3 permcsd \ --sim-sign pos \ --cwpv

Re: [Freesurfer] Reposting: Clusters by Multiple comparison

2012-02-08 Thread Antonella Kis
: Douglas N Greve To: Antonella Kis Cc: "freesurfer@nmr.mgh.harvard.edu" Sent: Wednesday, February 8, 2012 11:37 AM Subject: Re: Reposting: Clusters by Multiple comparison Hi Antonella, the right way to do it is to figure out what is going wrong with mri_glmfit-sim. Did it obvious

[Freesurfer] RD radial diffusivity and AD axial diffusivity

2012-02-13 Thread Antonella Kis
Dear All, I would like to know how I can get the RD radial diffusivity and AD axial diffusivity after I was running dt_recon. I can see my mean diffusivity adc.nii and a file called radialdiff.nii but I am not sure which one is the AD and Rd. Can you please tell me the name of this files AD and

[Freesurfer] ERROR mri_volcluster

2012-02-14 Thread Antonella Kis
Dear Doug, Can I run the mri_volcluter without --reg ? I am asking this because when I run: mri_glmfit-sim \       --glmdir GroupAnalysis_ADC.glmdir \       --grf 3 neg \       --cwpvalthresh .05 \       --overwrite gives me the following error (I also attached the log file): Also, does neg

[Freesurfer] Repost Clusters locations

2012-02-15 Thread Antonella Kis
es. Thanks for helping. Antonella From: Douglas N Greve To: Antonella Kis ; freesurfer Sent: Tuesday, February 14, 2012 1:18 PM Subject: Re: [Freesurfer] Clusters locations Antonella Kis wrote: > Hi Doug, > > 1) I would like to report the MNI coordinates and also a more exactly >

[Freesurfer] Repost ERROR mri_volcluster

2012-02-15 Thread Antonella Kis
Dear Doug, Can I run the mri_volcluter without --reg ? I am asking this because when I run: mri_glmfit-sim \       --glmdir GroupAnalysis_ADC.glmdir \       --grf 3 neg \       --cwpvalthresh .05 \       --overwrite gives me the following error (I also attached the log file): Also, does ne

[Freesurfer] Structural Group Analysis vs. DTI Group Analysis

2012-02-15 Thread Antonella Kis
Dear all, I completed my DTI group analysis at subcortical level on the CVS space and found clusters that survived by multiple comparisons. The results shows that FA is decreasing in patients vs. controls. I used then the same subject to do a structural group analysis to compare the cortical

[Freesurfer] Structural Group Analysis vs. DTI Group Analysis

2012-02-16 Thread Antonella Kis
Dear all, I completed my DTI group analysis at subcortical level on the CVS space and found clusters that survived by multiple comparisons. The results shows that FA is decreasing in patients vs. controls. I used then the same subject to do a structural group analysis to compare the cortica

[Freesurfer] mri_glmfit-sim with cache option

2012-02-16 Thread Antonella Kis
Dear Doug, Is possible to get more clusters if I correct by multiple comparisons so I run: mri_glmfit-sim \ --glmdir lh.GroupAnalysis_Thickness_15.glmdir \ --cache 2 pos \ --cwpvalthresh .999 \ --overwrite than the number of clusters in the sig.mgh so the uncorrected results? cwpvalthresh .999

[Freesurfer] Question regarding axial diffusivity

2012-02-17 Thread Antonella Kis
Dear All, I was running dt_recon on my DTI data and one output file is the eigvals.nii -- maps of the eigenvalues. I know that the diffusivity along the principal axis, λ1 represents the longitudinal diffusivity or the axial diffusivity (or even the parallel diffusivity λ∥).Can you please advis

[Freesurfer] (no subject)

2012-02-17 Thread Antonella Kis
Hi, I have few questions and I will appreciate if anyone can help: 1) Can I get more clusters after I correct for multiple comparison than the number of clusters I have in the uncorrected results? Is this possible? 2)When I change the smoothing from fwhm 10 to fwhm 20 for example why I a

[Freesurfer] Nearst Cortical Label (Annotation) for the CVS space

2012-02-22 Thread Antonella Kis
Dear Doug, I wonder if you could get the chance to finish the work regarding the Nearest Cortical Label (Annotation) for the CVS space. Also, I have few questions and I will appreciate if anyone can help: 1) Can I get more clusters after I correct for multiple comparison than the number of

[Freesurfer] REPOSTING: Nearst Cortical Label (Annotation) for the CVS space

2012-02-22 Thread Antonella Kis
Dear Doug, I wonder if you could get the chance to finish the work regarding the Nearest Cortical Label (Annotation) for the CVS space. Also, I have few questions and I will appreciate if anyone can help: 1) Can I get more clusters after I correct for multiple comparison than the number

[Freesurfer] Freesurfer and MATLAB

2012-02-22 Thread Antonella Kis
Dear All, Is there a way that I can open my rh.aparc.stats files (saved in stats after recon-all) in MATLAB as a matrix? I would like to concatenate all the rh.aparc.stats files from all my subjects. Many thanks, Antonella ___ Freesurfer mailing li

[Freesurfer] Cluster position

2012-02-22 Thread Antonella Kis
Dear All, Is there a way that I can get my clusters location (segmentation and/or annotation) inthe MNI space if I know the MNI coordinates? Many thanks. AK ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mai

[Freesurfer] Catching uncorrected results sig.mgh

2012-02-23 Thread Antonella Kis
Dear All, I would like to know what is the best way in catching the uncorrected clusters results from the sig.mgh for a structural study: Should I use the:  mri_glmfit-sim \ --glmdir lh.GroupAnalysis_Thickness_15.glmdir \ --cache 2 pos \ --cwpvalthresh .99 \ --overwrite But in this case I am

[Freesurfer] Question regarding sig.mgh

2012-02-24 Thread Antonella Kis
Dear All, 1)I would like to know what is the best way in catching the uncorrected clusters results from the sig.mgh for a structural study: Should I use the:  mri_glmfit-sim \ --glmdir lh.GroupAnalysis_Thickness_15.glmdir \ --cache 2 pos \ --cwpvalthresh .99 \ --overwrite But in this case I

[Freesurfer] REPOST: MNI coordinates

2012-02-24 Thread Antonella Kis
Hi, I am trying to find a way to get the segmentation/cortical label (to determine corresponding brain structures) in MNI space for a cluster for which I know the MNI coordinates. How can I do this? Many thanks. Antonella___ Freesurfer mailing list

[Freesurfer] Reposted question

2012-02-28 Thread Antonella Kis
Hi Doug, Sorry to bother again and I hope I'm not becoming too annoying with my questions. I will be very grateful if you can advise what to do for the following:   1) I am still struggling to find a  way to localize my clusters in other words  to get the nearest cortical label(annotation

Re: [Freesurfer] Annotation question

2012-03-08 Thread Antonella Kis
Thanks Doug. You mean by subject to define the subject in the fs_tal2surf which by default is  'subj': FreeSurfer subject % {default = 'fsaverage'} to be  subj = cvs_avg35? Thanks. Antonella From: Douglas N Greve To: Antonella Kis

[Freesurfer] Tkmedit question

2012-03-21 Thread Antonella Kis
Dear All, I am trying to understand what should be my -fthresh and -fmax or -fmin and -fmax values  while visualizing in tkmedit the significant map of uncorrected results so I can see all the clusters in this map. Further,I want to see what clusters from this map did not survived after correct

[Freesurfer] dt_recon and tractography

2012-03-28 Thread Antonella Kis
Dear FS experts, I would like to know if for a Diffusion tensor imaging (DTI) tractography study with TRACULA I can use my previous results from FSTutorial/Diffusion more exactly my results after running dt_recon and registrations on the CVS space. If not can you please advise me if for a DTI p

[Freesurfer] (no subject)

2012-03-28 Thread Antonella Kis
Dear FS experts, I would like to know if for a Diffusion tensor imaging (DTI) tractography study with TRACULA I can use my previous results from FSTutorial/Diffusion more exactly my results after running dt_recon and registrations on the CVS space. If not can you please advise me if for a DTI prob

Re: [Freesurfer] dt_recon and tractography

2012-03-28 Thread Antonella Kis
only statistics. This is what I meant by my previous results. Thank you for your time and help. Antonella From: Anastasia Yendiki To: Antonella Kis Cc: "freesurfer@nmr.mgh.harvard.edu" Sent: Wednesday, March 28, 2012 2:07 PM Subject: Re: [Fr

[Freesurfer] TRACULA and CVS space

2012-03-29 Thread Antonella Kis
Hi, I would like to know if for a probabilistic tractrography using TRACULA I can use the CVS space as a common template to register the diffusion data instead of  MNI template. How I should change for the CVS space the following: set doregmni = 1 which is the default for the MNI space. If I wa

[Freesurfer] Clusters size treshold question

2012-05-15 Thread Antonella Kis
Dear All, I would like to know if there is a way to eliminate from my significant clusters (grf.th3.pos.sig.cluster.mgh) obtained after running  mri_glmfit-sim with grf option and using mri_volcluster the clusters with a size smaller than 50 mm^3 or in other words to keep only clusters with a v

[Freesurfer] Slice Viewer

2012-05-17 Thread Antonella Kis
Dear FS experts, I was using FreeView to see all  my FA's clusters position from my DTI data that survived after correction by multiple comparisons. This clusters are locate in different slices and I would like to know if there is a way to print out in the same time different slices not only on

[Freesurfer] Question regarding Slice Viewer

2012-05-17 Thread Antonella Kis
Dear FS experts, I was using FreeView to see all  my FA's clusters position from my DTI data that survived after correction by multiple comparisons. This clusters are locate in different slices and I would like to know if there is a way to print out in the same time different slices not only

[Freesurfer] [Fwd: Welcome to the "Freesurfer" mailing list (Digest mode)]

2011-06-17 Thread Antonella Kis
Hello, I just received my confirmation for posting on the mailing list. Original Message Subject: Welcome to the "Freesurfer" mailing list (Digest mode) From:freesurfer-requ...@nmr.mgh.harvard.edu Date:Fri, June 17, 2011 4:25 pm To

[Freesurfer] New version Installation

2011-06-18 Thread Antonella Kis
Hello, I just started to use the FreeSurfer software and until now I used an old version V. 5.0.0. I wonder if to install the new version I have first to remove the old one or I can do just updates for the old version. If I downloaded the new version V.5.1.0 what will be the next step, how I can

[Freesurfer] Freesurfer New version Installation

2011-06-20 Thread Antonella Kis
Good afternoon, It is for the first time I am using FreeSurfer and I used only a little the old version V.5.0. For this version my environment variable was FREESURFER_HOME. If I am still having my old version V. 5.0 and also I downloawded the new realeased version how I can install my new versi

[Freesurfer] Regarding Installation

2011-06-20 Thread Antonella Kis
Can you please let me know how I can install on top of an old version the new version FreeSurfer v.5.1.0? Thank you. Antonella -- -- Dr.Antonella Kis, PhD Sessional Lecturer Life Sciences, Physics Department University of Toronto at Scarborough Clinical Research Pr

[Freesurfer] Regarding Installation

2011-06-20 Thread Antonella Kis
Hello, Can you please let me know how I can install on top of an old version the new version FreeSurfer v.5.1.0? Thank you. Antonella ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesu

[Freesurfer] Uninstall FS

2011-06-20 Thread Antonella Kis
Hello Experts, I apologise for the stupidity of this question, but I am not used to using Linux, but I need to uninstall my Freesurfer from the Desktop and then reinstall it,however, I have no idea how to uninstall in Linux. I was trying to execute: rm -rf /desktop/freesurfer but is not doing

[Freesurfer] recon-all exicted with ERROR

2011-06-21 Thread Antonella Kis
Dear All, I just installed my new FS version (I saved my old version under freesurfer_backup). I am getting an error when I am running recon-all on my GNU/LINUX.Do I need a license file before running? What steps I need to follow before running the new FS version? Here is the outcome: [elysa@

[Freesurfer] Error running recon-all

2011-06-22 Thread Antonella Kis
Dear experts of the Freesurfer, I am just learning freesurfer software and I was running recon-all for a subject in my directory. I can view the volumes and surfaces and I would be very grateful if you can list the next steps to be followed. Do I need to make a data correction(check my data)

[Freesurfer] Error with tkmedit

2011-06-24 Thread Antonella Kis
Dear Freesurfer experts, I am still a beginer in using Freesurfer v.5.1.0 I finished running the recon-all and I am trying to visualize the volumes and surfaces but I got an error wile using tkmedit. I will appreciate any help, suggestions. This is from bugr: FREESURFER_HOME: /usr/local/freesurf

[Freesurfer] Error while loading shared libraries: libXmu.so.6

2011-06-27 Thread Antonella Kis
Dear Freesurfer experts, I am trying to visualize the volumes and surfaces but I got an error wile using tkmedit. I will appreciate any help, suggestions. This is from bugr: FREESURFER_HOME: /usr/local/freesurfer/ Build stamp: freesurfer-Linux-centos4-stable-pub-v5.1.0 RedHat release: Fedora

[Freesurfer] Problems with Tkmedit

2011-06-27 Thread Antonella Kis
Hi, I have some problems with tkmedit. The recon-all finished without problems, but when using tkmedit the following error occured: /usr/local/freesurfer//tktools/tkmedit.bin: error while loading shared libraries: libXmu.so.6: cannot open shared object file: No such file or directory I was

[Freesurfer] Error using tkmedit

2011-06-28 Thread Antonella Kis
Hello, I have some problems with tkmedit. The recon-all finished without problems, but when using tkmedit the following error occured: /usr/local/freesurfer//tktools/tkmedit.bin: error while loading shared libraries: libXmu.so.6: cannot open shared object file: No such file or directory T

[Freesurfer] Tkmedit error

2011-06-28 Thread Antonella Kis
-- Dr.Antonella Kis, PhD Clinical Research Project Coordinator The Hospital for Sick Children (SickKids) Diagnostic Imaging Department Neurosciences and Mental Health Sessional Lecturer Life Sciences, Physics Department University of Toronto at Scarborough Hello,

Re: [Freesurfer] Freesurfer Digest, Vol 88, Issue 86

2011-06-29 Thread Antonella Kis
ith Tkmedit (Bruce Fischl) -- Message: 1 Date: Wed, 29 Jun 2011 10:49:56 -0400 (EDT) From: Bruce Fischl Subject: Re: [Freesurfer] Error with Tkmedit To: Antonella Kis Cc: freesurfer@nmr.mgh.harvard.edu Message-ID: Content-Type: text/plain; charset=&q

Re: [Freesurfer] Display data for Cortical thickness

2011-07-04 Thread Antonella Kis
! Antonella Hi Antonella, those regions should be compiled in the stats/aparc.annot.ctab file that should be easy to import into excel or other packages for analsys and plotting. cheers Bruce On Mon, 4 Jul 2011, Antonella Kis wrote: > > > Good morning Bruce, > > I posted my

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