Re: [Freesurfer] optic nerve inlcuded as pial matter

2012-02-16 Thread _andreia_
Hi Julia, I usually remove the voxels from brainmaks.mgz for the pial edits but also from wm.mgz. If you deselect the button of the pial surface in tkmedit, you will see that the white matter surface is coincident with the pial, so you also need to correct that volume. With wm.mgz as auxi

[Freesurfer] mri_vol2surf visualization problem

2012-02-16 Thread Klein, Holger
Dear FreeSurfers, To get a better view on the pial surface of the Heschl' Gyri I used the command mri_vol2surf after having created the suitable volume with label2vol. My goal is to get the pial surface of this single label. My Command is: *mri_vol2surf --src pf_lh_vol.mgz --hemi lh --surf pial

Re: [Freesurfer] mri_vol2surf visualization problem

2012-02-16 Thread Bruce Fischl
Hi Holger the file you are outputing isn't a surface, it's a surface overlay. Try loading the inflated surface then load the .w file with tksurfer load overlay cheers Bruce On Thu, 16 Feb 2012, Klein, Holger wrote: > > Dear FreeSurfers, > > To get a better view on the pial surface of the H

Re: [Freesurfer] optic nerve inlcuded as pial matter

2012-02-16 Thread Bruce Fischl
if they are coincident then it is accurately detected as non-cortical and won't affect any thickness/volume corrections, so fixing it is really just aesthetic. cheer Bruce On Thu, 16 Feb 2012, _andre...@sapo.pt wrote: Hi Julia, I usually remove the voxels from brainmaks.mgz for the pial ed

Re: [Freesurfer] optic nerve inlcuded as pial matter

2012-02-16 Thread _andreia_
Ah ok! :) So it won't affect any stats? Anyway, not correcting this will make the inflated surface to have a prominence, right? In that case it will only look better for results' displaying. Andreia Citando Bruce Fischl : > if they are coincident then it is accurately detected as > non-

Re: [Freesurfer] mri_vol2surf visualization problem

2012-02-16 Thread Bruce Fischl
try using label2patch and loading the resulting patch in tksurfer from the interface after loading another surface on the command line On Thu, 16 Feb 2012, Klein, Holger wrote: Dear Bruce,  Thanks for your help. I did what you advised me to do in freeview. It works, but the problem is that an

Re: [Freesurfer] optic nerve inlcuded as pial matter

2012-02-16 Thread Bruce Fischl
yes, exactly. it will have a tiny effect on total surface area, but that includes noncortical regions anyway On Thu, 16 Feb 2012, _andre...@sapo.pt wrote: Ah ok! :) So it won't affect any stats? Anyway, not correcting this will make the inflated surface to have a prominence, right? In that

Re: [Freesurfer] optic nerve inlcuded as pial matter

2012-02-16 Thread _andreia_
Since it is such a straightforward correction, I've been making it because I thought that it would have some effect (though tiny). Thanks! Andreia Citando Bruce Fischl : > yes, exactly. it will have a tiny effect on total surface area, but > that includes noncortical regions anyway > On Thu,

Re: [Freesurfer] mri_vol2surf visualization problem

2012-02-16 Thread Klein, Holger
Dear Bruce, The patch (only 16 kb ???) was successfully created via label2patch. But loading it in tksurfer after having loaded a surface the following error occured: % surface not flattened - disabling 2d code... What am I doing wrong? Isn't there a way via the command mri_vol2surf? What output

[Freesurfer] overlay question

2012-02-16 Thread LAOUCHEDI MAKHLOUF
hi all    excuse me for this "simple question" but i am quiet new to freesurfer (i use it just for the parcellations).  i've some functionnal maps (i've used spm for that) that i want to use as an overlay on the pial surface of the subject. is there an easy way to do it thanks _

Re: [Freesurfer] mri_vol2surf visualization problem

2012-02-16 Thread Bruce Fischl
what is your command line? That isn't an error - it just detects that the patch isn't flattened and so will show it in the original space. Does it show up? On Thu, 16 Feb 2012, Klein, Holger wrote: Dear Bruce,  The patch (only 16 kb ???) was successfully created via label2patch. But loading

Re: [Freesurfer] overlay question

2012-02-16 Thread Bruce Fischl
yes, use bbregister to register your functional maps, then mri_vol2surf to sample them onto the surface and load them in tksurfer. cheers Bruce On Thu, 16 Feb 2012, LAOUCHEDI MAKHLOUF wrote: hi all    excuse me for this "simple question" but i am quiet new to freesurfer (i use it just fo

Re: [Freesurfer] mri_vol2surf visualization problem

2012-02-16 Thread Klein, Holger
Dear Bruce, Command for the patch: label2patch wh lh lh.G_temp_sup-G_T_trans.label PAC Then I loaded tksurfer with: tksurfer wh lh inflated (pial) Then I loaded the patch in tksufer with the GUI, but it doesn't show up, respectively everything vanished to black. Thanks, Holger 2012/2/16 Bru

Re: [Freesurfer] Question regarding conversion to mgz

2012-02-16 Thread Douglas N Greve
Hi Hemant, sorry for the delay in getting back to you. I'm not sure what could be causing the problem. FreeSurfer definitely reads the direction cosines from the dicom. If you upload the dicom volume to our file drop, I'll take a look. filedrop url is at the end of this email. doug Hemant Bokil

Re: [Freesurfer] mri_vol2surf visualization problem

2012-02-16 Thread Bruce Fischl
is it really entirely gone or is there a little piece of the surface there where Heschl's is? On Thu, 16 Feb 2012, Klein, Holger wrote: Dear Bruce, Command for the patch: label2patch wh lh lh.G_temp_sup-G_T_trans.label PAC Then I loaded tksurfer with: tksurfer wh lh inflated (pial) Then I lo

Re: [Freesurfer] (no subject)

2012-02-16 Thread Douglas N Greve
Sorry, this is a bug. The work-around requires that you: 1. Re-run mkbrainmask-sess without the "-nero 1" 2. cd into the mask directory in each run and run mri_binarize, like this cd /autofs/space/moe_002/users/mayucel/PROJECT/Subject20/bold/001/masks mri_binarize --i brain.nii.gz --o brain.e3.nii.

Re: [Freesurfer] overlay question

2012-02-16 Thread Douglas N Greve
Is this individual data or group? If individual, are you planning to do a surface-based group analysis? If so, make sure that the fMRI data are in the native functional space. doug Bruce Fischl wrote: > yes, use bbregister to register your functional maps, then > mri_vol2surf to sample them ont

Re: [Freesurfer] TRACULA bvecs question

2012-02-16 Thread Anastasia Yendiki
This is because the mac executables in freesurfer where compiled on the leopard verion of OSX. There's an update here compiled on snow leopard that should solve this error: https://surfer.nmr.mgh.harvard.edu/fswiki/Tracula On Thu, 16 Feb 2012, Tetiana Dadakova wrote: > Thanks for the note. I

Re: [Freesurfer] mri_vol2surf visualization problem

2012-02-16 Thread Klein, Holger
Dear Bruce, I tried it again, and it worked out well. Mea culpa - I'm deeply sorry. Is there a chance to load the patch in freeview? Thanks a lot, Holger 2012/2/16 Klein, Holger > Dear Bruce, > > Command for the patch: label2patch wh lh lh.G_temp_sup-G_T_trans.label PAC > > Then I loaded tk

Re: [Freesurfer] mri_vol2surf visualization problem

2012-02-16 Thread Bruce Fischl
no worries. Not sure about freeview. Ruopeng? On Thu, 16 Feb 2012, Klein, Holger wrote: Dear Bruce,  I tried it again, and it worked out well. Mea culpa - I'm deeply sorry. Is there a chance to load the patch in freeview?  Thanks a lot, Holger 2012/2/16 Klein, Holger Dear Bruce, Co

[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] whole brain volume

2012-02-16 Thread Dana W. Moore
Hi everyone, Previous versions of FreeSurfer had a whole brain measure in the aseg.stats file called BrainSegVolNotVent. The newest version no longer has this.  I am wondering where I can now find a measure of whole brain volume? Thanks, Dana -- Dana W. Moore, Ph.D. Instructor of Neuropsyc

Re: [Freesurfer] whole brain volume

2012-02-16 Thread Allison Player
It might be SupraTentorial depending on what you are looking for. They are all explained on this wiki: https://surfer.nmr.mgh.harvard.edu/fswiki/MorphometryStats On Thu, 16 Feb 2012, Dana W. Moore wrote: Hi everyone, Previous versions of FreeSurfer had a whole brain measure in the aseg.stats

Re: [Freesurfer] whole brain volume

2012-02-16 Thread Dana W. Moore
Thanks, Allison.  This actually leads me to another question though.  It says in the wiki that SupraTentorial includes Cortex + CorticalWhiteMatter + SubCortGray.  I notice that subcortical white matter is not mentioned.  Does this mean the corpus callosum and internal capusle is left out?  Als

Re: [Freesurfer] whole brain volume

2012-02-16 Thread Allison Player
You're correct that it doesn't include cerebellum. I think it includes corpus callosum and internal capsule but I defer to Doug who would know for sure. Allison On Thu, 16 Feb 2012, Dana W. Moore wrote: Thanks, Allison.  This actually leads me to another question though.  It says in the wiki

Re: [Freesurfer] whole brain volume

2012-02-16 Thread Dana W. Moore
I think I just found the answer to my question on the wiki:    More specifically, the CorticalWhiteMatter measurement is calculated by determining which voxels are within the WM surface.  So the term "cortical" does not mean that deep structures are left out, it is referring to how the measur

Re: [Freesurfer] whole brain volume

2012-02-16 Thread Dana W. Moore
I think I just found the answer to my question on the wiki:    More specifically, the CorticalWhiteMatter measurement is calculated by determining which voxels are within the WM surface.  So the term "cortical" does not mean that deep structures are left out, it is referring to how the measur

Re: [Freesurfer] whole brain volume

2012-02-16 Thread Dana W. Moore
I think I just found the answer to my question on the wiki:    More specifically, the CorticalWhiteMatter measurement is calculated by determining which voxels are within the WM surface.  So the term "cortical" does not mean that deep structures are left out, it is referring to how the measur

[Freesurfer] bash freesurferstats2table script

2012-02-16 Thread Fidel Vila
Hi there, I was wondering if it would be possible to obtain a copy of the freesurferstats2table script that is posted on the Wiki. When I try to access it it requests a user name and password (I tried my mailing list username and psswd, but didn't work). Greatly appreciate it, Fidel ___

Re: [Freesurfer] mri_glmfit-sim with cache option

2012-02-16 Thread Douglas N Greve
That's all the clusters regardless of the cluster-wise p-value. doug Antonella Kis wrote: > 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 .9

Re: [Freesurfer] retinotopy analysis viewing in Freesurfer 5

2012-02-16 Thread Douglas N Greve
Hi Katie, the color wheel became difficult to support (and I think it is inferior for viewing for various reasons). There is an alternative called rtview. It is not in the distribution, but you can get it from ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/rtview Look at the --he

Re: [Freesurfer] retinotopy analysis viewing in Freesurfer 5

2012-02-16 Thread Katie Bettencourt
Without the color wheel, how are you supposed to see the different meridians so that you can draw the boundaries for visual areas? I know that field sign can do that in occipital if you have polar and eccen, but it doesn't work well with parietal retinotopy or if you don't have eccen data (which s

Re: [Freesurfer] retinotopy analysis viewing in Freesurfer 5

2012-02-16 Thread Douglas N Greve
rtview will give you the colorwheel, see if that works for you doug Katie Bettencourt wrote: > Without the color wheel, how are you supposed to see the different > meridians so that you can draw the boundaries for visual areas? I > know that field sign can do that in occipital if you have polar

[Freesurfer] transforming aseg.mgz, brain.mgz to native scanner space and dimensions

2012-02-16 Thread Mario Ortega
Hello Freesurfer Mailing list, I would like to know how to do the item mentioned in the subject> Ideally not just write out the brain and aseg regions into isotropic voxels in standard space, but also accomplish converting back to the *original*resolution, would I have to specify an inverse transf

Re: [Freesurfer] selxavg3-sess error

2012-02-16 Thread Douglas N Greve
It does not look too bad to me. That is a significance map and it is covering most of the occipital region. If you want to see the angle, add -angle to your tksurfer-sess command. doug Daniel Cole wrote: > I was mistaken, I only have *Polar* (Rotating wedge) not Eccentricity > stimuli. > Aft

Re: [Freesurfer] overlay question

2012-02-16 Thread Ivan Alvarez
Following up on this topic, is it possible to display functional maps on a surface using Freeview? I have tried loading functional results as an overlay without much success. Kind regards, Ivan Alvarez On 16/02/2012 5:00, freesurfer-requ...@nmr.mgh.harvard.edu wrote: > Is this individual data o

Re: [Freesurfer] REPOST: Nearest Cortical Label Clusters locations

2012-02-16 Thread Douglas N Greve
Hi Antonella, I have created a registration file that will allow you to get coordinates (this one assume that you performed your group analysis in CVS space). ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/reg.cvs-to-fsaverage.dat You can pass this to mris_volcluster. This will all

Re: [Freesurfer] transforming aseg.mgz, brain.mgz to native scanner space and dimensions

2012-02-16 Thread Bruce Fischl
Hi Mario from the mri dir: mri_convert -rl rawavg.mgz -rt nearest aseg.mgz aseg.rawavg.mgz should do the trick cheers Bruce On Thu, 16 Feb 2012, Mario Ortega wrote: > Hello Freesurfer Mailing list, > > I would like to know how to do the item mentioned in the subject> > Ideally not just write

[Freesurfer] Freeview Surface Editing

2012-02-16 Thread Tina Jeon
Dear freesurfer experts, I am new to the freeview interface. How do I go about drawing a ROI on the surfaces to create my own label? Both the voxel edit and ROI edit buttons are not useful in this case. Thank you in advance, Tina Jeon PhD Candidate Advanced Imaging Research Center UT Southweste

Re: [Freesurfer] Freeview Surface Editing

2012-02-16 Thread Bruce Fischl
Hi Tina this is easiest to do in tksurfer using the path drawing and custom fill stuff cheers Bruce On Thu, 16 Feb 2012, Tina Jeon wrote: Dear freesurfer experts,   I am new to the freeview interface. How do I go about drawing a ROI on the surfaces to create my own label? Both the voxel e

Re: [Freesurfer] retinotopy analysis viewing in Freesurfer 5

2012-02-16 Thread Maryam Vaziri Pashkam
Sorry Doug this is a very basic question, Should I put the rtview file in the freesurfer/fstast/bin directory or somewhere else? Thanks, Maryam On Thu, Feb 16, 2012 at 3:57 PM, Douglas N Greve wrote: > rtview will give you the colorwheel, see if that works for you > doug > > Katie Bettencourt wr

Re: [Freesurfer] retinotopy analysis viewing in Freesurfer 5

2012-02-16 Thread Douglas N Greve
freesurfer/fstast/bin is fine Maryam Vaziri Pashkam wrote: > Sorry Doug this is a very basic question, > Should I put the rtview file in the freesurfer/fstast/bin directory or > somewhere else? > > Thanks, > Maryam > > On Thu, Feb 16, 2012 at 3:57 PM, Douglas N Greve > mailto:gr...@nmr.mgh.harv

[Freesurfer] whole brain volume

2012-02-16 Thread Dana W. Moore
I have a follow-up question to my inquiry about whole brain volume.  I have some subjects completed with the older version, where I have BrainSegNotVent, and some subjects completed with the new version.  If I combine Supratentorial with cerebellum to calculate whole brain, is this comparable to

Re: [Freesurfer] Question regarding conversion to mgz

2012-02-16 Thread Hemant Bokil
Thanks, Bruce, Doug, I will check how to do that. Hemant On Thu, Feb 16, 2012 at 11:21 AM, Douglas N Greve wrote: > Hi Hemant, sorry for the delay in getting back to you. I'm not sure what > could be causing the problem. FreeSurfer definitely reads the direction > cosines from the dicom. If you