Re: [Freesurfer] Gamma / Histogram

2016-10-12 Thread Anders Hougaard
Excellent, thanks! 2016-10-12 20:27 GMT+02:00 Douglas N Greve <gr...@nmr.mgh.harvard.edu>: > > > On 10/08/2016 02:43 AM, Anders Hougaard wrote: > > Dear Freesurfers, > > > > Please see the attached image. > > It shows inflated fsaverage surface with gamma.

Re: [Freesurfer] Extracting thickness values using labels

2016-10-07 Thread Anders Hougaard
ludeid 0 > --avgwf ocn.dat > > ocn.mgh is the ocn file (output cluster number), and ocn.dat will be a > table with each input from diff.fsgd on the rows and each cluster on the > columns > > On 10/6/16 2:23 AM, Anders Hougaard wrote: > > Dear Freesurfers, > > This

[Freesurfer] Extracting thickness values using labels

2016-10-06 Thread Anders Hougaard
Dear Freesurfers, This is probably a very basic question, but I was unable to find an answer in the mailing list: I did a paired cortical thickness group analysis: mris_preproc --fsgd /home/paired.fsgd --target fsaverage --hemi lh --meas thickness --out lh.paired.00.mgh --paired-diff

Re: [Freesurfer] V3A ROI?

2016-07-11 Thread Anders Hougaard
Human Cortex. > Cerebral Cortex, Oct;25(10):3911-31 > > > 2016-07-11 12:13 GMT+02:00 Anders Hougaard <ahouga...@dadlnet.dk>: > >> Dear experts, >> >> I am trying to find a probabilistic map of the visual cortical area V3A. >> I have not been able to fi

[Freesurfer] V3A ROI?

2016-07-11 Thread Anders Hougaard
Dear experts, I am trying to find a probabilistic map of the visual cortical area V3A. I have not been able to find this particular area in the standard atlases in FSL or FreeSurfer. The Jülich Histological atlas contains a V3V ROI but not V3A. Do any of you know have this ROI as a file or do you

Re: [Freesurfer] Bad design matrix

2015-03-02 Thread Anders Hougaard
: It looks like the 4th column is always -0.9 and the 6th col is always -9.138 which makes them redundant with column 2 and causes the error. doug On 03/02/2015 03:16 PM, Anders Hougaard wrote: Dear Doug, Thanks for the answer. I deliberately chose not to demean. With demeaning I get the same

Re: [Freesurfer] Bad design matrix

2015-03-02 Thread Anders Hougaard
...@nmr.mgh.harvard.edu: Try demeaning your covariates. By demeaning, I mean to compute the mean across all subjects, then subtract the mean from all values (for each covariate). doug On 3/1/15 2:40 AM, Anders Hougaard wrote: Dear all, I'm comparing cortical thickness of a group of patients to a group

[Freesurfer] Bad design matrix

2015-02-28 Thread Anders Hougaard
Dear all, I'm comparing cortical thickness of a group of patients to a group of controls. I want to regress out the effects of gender, age, disease severity and disease duration. For the controls, the last two parameters equals zero. When running mri_glmfit, i get ERROR: matrix is

Re: [Freesurfer] mris_preproc skips subjects

2015-02-24 Thread Anders Hougaard
the best, Anders 2015-02-21 14:42 GMT+01:00 Anders Hougaard ahouga...@dadlnet.dk: Dear Freesurfers, Sorry for this newbie question: I'm preparing my data for a group analysis using mris_preproc: mris_preproc --fsgd nocov.fsgd --target fsaverage --hemi lh --meas thickness --out

[Freesurfer] mris_preproc skips subjects

2015-02-21 Thread Anders Hougaard
Dear Freesurfers, Sorry for this newbie question: I'm preparing my data for a group analysis using mris_preproc: mris_preproc --fsgd nocov.fsgd --target fsaverage --hemi lh --meas thickness --out lh.nocov.thickness.00.mgh I have 120 subjects in total and my FSGD file simply looks like this

Re: [Freesurfer] Freesurfer - problem with automatic labeling of V1 using the Hinds method in 5.1.0

2013-03-08 Thread Anders Hougaard
from /Applications/freesurfer/subjects/V1_average/label/lh.v1.invivo.tif... mrisReadTriangleFile(/Applications/freesurfer/subjects/t05/surf/lh.smoothwm): surface doesn't match /Applications/freesurfer/subjects/t05/surf/lh.sphere Any suggestions? All the best, Anders 2012/6/13 Anders Hougaard

[Freesurfer] Radiological/neurological convention

2013-01-31 Thread Anders Hougaard
Dear Freesurfers, Do the anatomical input images to recon-all have to be in the same orientation (neurological/radiological) or is it ok as long as the orientation labels are correct? All the best, Anders ___ Freesurfer mailing list

[Freesurfer] Renaming subject directories

2013-01-22 Thread Anders Hougaard
Dear Freesurfers, Is it ok to rename a subject directory, then run tkmedit and recon-all procedures and then rename the directory back again or will this cause problems? All the best, Anders ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu

Re: [Freesurfer] flipping surface data

2012-12-04 Thread Anders Hougaard
Dear Doug, I would like to the same thing that Kelsi (as I read the post) asked about: For patients with a lesion in one hemisphere, I want to compare the hemispheres with lesions to the contralateral hemispheres without lesions. I think that your answer below is a recipe for comparing right and

Re: [Freesurfer] label transformation to MNI space

2012-07-04 Thread Anders Hougaard
.prob.new.label --hemi rh does not solve it. Any suggestions? Best regards, Anders Hougaard 2011/10/18 Douglas N Greve gr...@nmr.mgh.harvard.edu The problem appears to be with the label itself. Try this conversion: mri_label2label --srclabel lh.entorhinal.label --s fsaverage --regmethod surface

Re: [Freesurfer] Freesurfer - problem with automatic labeling of V1 using the Hinds method in 5.1.0

2012-06-13 Thread Anders Hougaard
Hi Bruce, That actually seems to do the trick. Thank you very much! Best, Anders 2012/6/12 Bruce Fischl fis...@nmr.mgh.harvard.edu try symlinking the ?h.white surfaces to the ?h.smoothwm and see if that solves your problem cheers Bruce On Tue, 12 Jun 2012, Anders Hougaard wrote: Dear

Re: [Freesurfer] Freesurfer - problem with automatic labeling of V1 using the Hinds method in 5.1.0

2012-06-12 Thread Anders Hougaard
Dear Dr. Bock, I get the same error in FS 5.1.0 when running recon-all -s subject -label_v1. Did you find a solution? Best regards, Anders Hougaard, MD Danish Headache Center Dept. of Neurology Glostrup Hospital Copenhagen Denmark 2011/11/11 Andrew Bock ab...@u.washington.edu Hello, I am

[Freesurfer] Converting V1 labels to nifti

2011-12-20 Thread Anders Hougaard
Dear Freesurfers, I would like to use V1 labels (created with the Hinds method) for a ROI-based analysis on data analyzed with FSL FEAT using FSL featquery. I have not run a full recon-all segmentation, only recon-all -s subjid -label-v1 I need to convert the labels to nifti volumes while

Re: [Freesurfer] Retinotopy stimuli

2011-07-08 Thread Anders Hougaard
varying stimuli.) hope this helps. were you able to get reasonable looking maps with the stimuli you described below? -jon On Thu, 7 Jul 2011, Anders Hougaard wrote: Dear freesurfers, Which stimuli do you think provide the best retinotopic maps? I have done a retinotopy analysis

[Freesurfer] Retinotopy stimuli

2011-07-07 Thread Anders Hougaard
Dear freesurfers, Which stimuli do you think provide the best retinotopic maps? I have done a retinotopy analysis using the following stimuli: Polar angle: - 45 deg counter-clockwise rotating wedge - 8 unique positions - flickering at 2 Hz - stimulation period: 36 sec - no. of cycles: 6 - TR

[Freesurfer] Error in preproc-sess in ver. 5

2011-07-02 Thread Anders Hougaard
Hi all, While attempting to pre-process data for a retinotopy analysis with the following command: preproc-sess -surface song lhrh -fwhm 5 -sf sessid I get the following error when motion correction is started: Logfile is