Re: [Freesurfer] White matter probability map.

2017-01-26 Thread miracle ozzoude
hello doug, Thank you. 1) where can i find this lta file? I looked for it in the mri and surface folders but it wasn't there. do i need to run another command in order to generate it? 2) Is this the right command? mri_compute_volume_fractions --o pvf --reg filename.lta (location of .lta) 3)Also, Is

Re: [Freesurfer] mri_label2label problem

2017-01-26 Thread Bronwyn Overs
Hi Doug, Yes i was visualising it on fsaverage. I switched to sub003 and the ROI looks perfect. What a simple mistake, thanks for your help. Kind regards, Bronwyn Overs Research Assistant Neuroscience Research Australia Margarete Ainsworth Building Barker Street Randwick Sydney NSW 2031 Australi

Re: [Freesurfer] mri_label2label problem

2017-01-26 Thread Douglas N Greve
Are you visualizing the output on subject sub003? It looks like fsaverage On 01/26/2017 06:23 PM, Bronwyn Overs wrote: > Hi Mailing list, > > I have been running the mri_label2label command and have encountered a > problem with the newly generated label. The command I am running is as > follows

Re: [Freesurfer] White matter probability map.

2017-01-26 Thread Douglas N Greve
Run it something like mri_compute_volume_fractions --o pvf --reg register.dof6.lta where the lta file is a registration file between the FS anat and the volume that you want to get the PVFs for. The output will have a base name of pvf, eg, pvf.cortex.mgz pvf.csf.mgz pvf.subcort_gm.mgz pvf.w

Re: [Freesurfer] White matter probability map.

2017-01-26 Thread miracooloz
Hello Douglas,  Thank you. When I looked up the command with --help, it said " computes partial volume fractions for cortex, subcortical GM, WM and CSf". What volume do I give the command as an input? T1, orig.mgz ‎.  Best,  Miracle Sent from my BlackBerry 10 smartphone.   Original Message   Fro

Re: [Freesurfer] White matter probability map.

2017-01-26 Thread Douglas N Greve
ps, it is not a probability map per se but the volume fraction (0-1) map On 01/26/2017 05:52 PM, Douglas N Greve wrote: > Try mri_compute_volume_fractions > > > On 01/26/2017 05:49 PM, miracoo...@gmail.com wrote: >> Hello Freesurfer, >> Is there a way to extract tissue probability map for white

Re: [Freesurfer] White matter probability map.

2017-01-26 Thread Douglas N Greve
Try mri_compute_volume_fractions On 01/26/2017 05:49 PM, miracoo...@gmail.com wrote: > Hello Freesurfer, > Is there a way to extract tissue probability map for white matter > in FS. Thank you > Best, > Miracle > Sent from my BlackBerry 10 smartphone. > > > > __

[Freesurfer] White matter probability map.

2017-01-26 Thread miracooloz
Hello Freesurfer, Is there a way to extract tissue probability map for  white matter   in FS. Thank you Best, Miracle Sent from my BlackBerry 10 smartphone. ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailm

Re: [Freesurfer] Registration: Variable Must Begin with a Letter Error

2017-01-26 Thread Douglas N Greve
hi, please include previous correspondence so that we know what you are referring to On 01/26/2017 04:10 PM, Anderson Napolitano wrote: > ​Thank you Dr. Greve and Don. Unfortunately adding '\' after spaces > and removing the spaces all together doesn't seem to resolve the said > error. > > > >

[Freesurfer] Registration: Variable Must Begin with a Letter Error

2017-01-26 Thread Anderson Napolitano
?Thank you Dr. Greve and Don. Unfortunately adding '\' after spaces and removing the spaces all together doesn't seem to resolve the said error. ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo

Re: [Freesurfer] Command for Reverse Normalizing with mri_vol2vol Using CVS m3z Morphs

2017-01-26 Thread Douglas Merkitch
Hello Lilla, Thank you very much for the suggestion. Here then are my attempts at putting what you said into two sequential commands: mri_vol2vol --targ $SUBJECTS_DIR/$subj/mri/norm.mgz \ --m3z $SUBJECTS_DIR/$subj/cvs/combined_tocvs_avg35_elreg_afteraseg-norm.m3z \ --noD

Re: [Freesurfer] Matlab Runtime

2017-01-26 Thread Iglesias Gonzalez, Eugenio
Ciao Stefano, You have currently no permission to write in the FreeSurfer directory. Try: 1. sudo -s 2. Enter your password 3. Run the curl and tar commands as explained in the wiki Cheers, /Eugenio Juan Eugenio Iglesias ERC Senior Research Fellow Translational Imaging Group University College L

Re: [Freesurfer] surface based analysis

2017-01-26 Thread John Anderson
Thank you Doug, Actually I was trying to apply what was mentioned in this link by replicating the method on  the command "mri_glmfit" and not  using the command "mri_mcsim".  I tried to use for example the label "BA4a" (it is available in the folder/fsaverage/label), but the command "mriglm_fit f

Re: [Freesurfer] Cortical volume from masked region

2017-01-26 Thread Eli Johnson
Ok sure, I will do it tomorrow as I don't have access to the stats file right now Many thanks! From: Eli Johnson Sent: Thursday, 26 January 2017 6:22 PM To: Freesurfer support list Subject: Re: [Freesurfer] Cortical volume from masked region Hi Doug, Yes, I h

Re: [Freesurfer] Cortical volume from masked region

2017-01-26 Thread Douglas N Greve
In that case please upload the actual data that is failing. On 01/26/2017 01:22 PM, Eli Johnson wrote: > Hi Doug, > > Yes, I have a series of masks that I have created to cover the whole cortex, > but I want to examine the regions separately. Each region outputs a volume > much smaller than I w

Re: [Freesurfer] Cortical volume from masked region

2017-01-26 Thread Eli Johnson
Hi Doug, Yes, I have a series of masks that I have created to cover the whole cortex, but I want to examine the regions separately. Each region outputs a volume much smaller than I would expect given the volumes from aseg stats for the whole cortex. That is to say, when I combine the volume fr

Re: [Freesurfer] Surface space ICA

2017-01-26 Thread Douglas N Greve
Sorry, we don't have any tools to do ICA. The FSL/HCP group might have some thing that will do it on the surface. On 01/26/2017 01:13 PM, David Baric Parker wrote: > Hello! > I tried to look through the history but couldn't seem to find > exactly what I was looking for. > Is there a recommend

Re: [Freesurfer] Cortical volume from masked region

2017-01-26 Thread Eli Johnson
Sent from my iPhone > On 26 Jan 2017, at 18:11, Douglas N Greve wrote: > > In looking at your mask, it covers only half (or less) of the brain. > This would explain why the total volume you get from the mask is much > lesss than the total gm volume reported in aseg.stats. > > >> On 01/20/2

Re: [Freesurfer] surface based analysis

2017-01-26 Thread Douglas N Greve
FS does not come with correction tables for all labels. You'll have to build your own. here are the instructions: http://surfer.nmr.mgh.harvard.edu/fswiki/BuildYourOwnMonteCarlo On 01/26/2017 01:09 PM, John Anderson wrote: > Hello Freesurfers, > I am working on a PET surface based analysis betw

[Freesurfer] Surface space ICA

2017-01-26 Thread David Baric Parker
Hello! I tried to look through the history but couldn't seem to find exactly what I was looking for. Is there a recommended way to run ICA on vertex data? For example, I've transformed my raw fMRI data to surface space using fsfast, and would like to extract group level IC's from this data. Tha

Re: [Freesurfer] Cortical volume from masked region

2017-01-26 Thread Douglas N Greve
In looking at your mask, it covers only half (or less) of the brain. This would explain why the total volume you get from the mask is much lesss than the total gm volume reported in aseg.stats. On 01/20/2017 12:08 PM, Eli Johnson wrote: > > *Hi Doug,* > > * > * > > *Thanks a lot for your help!*

[Freesurfer] surface based analysis

2017-01-26 Thread John Anderson
Hello Freesurfers, I am working on a PET surface based analysis between two groups. I did the following: 1. I concatentaed the PET images  using the command "mris_preproce" and I got the file (lh.mgh) for left hemisphere and (rh.mgh) for right hemisphere. 2. I smoothed "lh.mgh and rh.mgh) using

Re: [Freesurfer] Voxel intensities and aseg edits

2017-01-26 Thread Bruce Fischl
Hi Tamara we don't use an intensity threshold as such. If you are looking for CSF, why not use our aseg and erode it once to avoid border voxels? Or twice if you want to be really certain. I'll leave (2) for one of our longitudinal processing experts. cheers Bruce On Thu, 26 Jan 2017, Tama

[Freesurfer] Matlab Runtime

2017-01-26 Thread stdp82
Hi list,please see the error reported below.ThanksStefano curl "http://surfer.nmr.mgh.harvard.edu/fswiki/MatlabRuntime?action=AttachFile&do=get&target=runtime2012bMAC.tar.gz"; -o "runtime2012b.tar.gz" % Total% Received % Xferd Average Speed TimeTime Time Current

[Freesurfer] Voxel intensities and aseg edits

2017-01-26 Thread Tamara Tavares
Hello, I have two questions which I was hoping to get some help with. (1) I was wondering whether there was a intensity threshold for grey matter and CSF. I know that Freesurfer scales the intensity so white matter has an intensity of 110 (as can be seen at the bottom of Freeviewer when I open th

Re: [Freesurfer] freesurfer 6.0 with some of the analyses

2017-01-26 Thread Iglesias Gonzalez, Eugenio
Dear Batool, Sorry for missing your message. And dear Adam: Thanks for covering me! That’s exactly my standard answer to that question ;-) Juan Eugenio Iglesias ERC Senior Research Fellow Translational Imaging Group University College London http://www.jeiglesias.com http://cmictig.cs.ucl.ac.uk/

Re: [Freesurfer] freesurfer 6.0 with some of the analyses

2017-01-26 Thread Adam Martersteck
I believe Dr. Iglesias previous responses on this exact question have been, "yes it's possible, but your results may be harder to reproduce" e.g. If someone wanted to replicate your study they may have a harder time having to download 2 different versions of freesurfer to achieve comparable results

Re: [Freesurfer] freesurfer 6.0 with some of the analyses

2017-01-26 Thread Rizvi, Batool
Hi, Can anyone comment on my question below? I think the FAQ page mentions that the same version should be used to process all cases within a dataset, but my question is whether I can have the same dataset used for two different versions for separate analyses? This is considering that I've alrea

Re: [Freesurfer] Command for Reverse Normalizing with mri_vol2vol Using CVS m3z Morphs

2017-01-26 Thread Lilla Zollei
Hi Doug, In order to compute and apply the inverse of an m3z transform you would need to use the --inv-morph flag instead of the --m3z and reverse your targ and mov inputs. With the current implementation of mri_vol2vol though I do not think that you can specify the order of the transforms (w

Re: [Freesurfer] longitudinal tracula error

2017-01-26 Thread Yendiki, Anastasia
Glad to hear it, thanks for checking! If the final 6.0 works, there's no need to dig up the beta. From: freesurfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Bárbara Avelar Pereira [barbara.avelar.pere...@ki.se] Sent: Thurs

Re: [Freesurfer] Hippocampal Subfields Segmentation Error

2017-01-26 Thread Iglesias Gonzalez, Eugenio
I have never tried this. Does the rest of recon-all -all run without errors? Cheers, /Eugenio Juan Eugenio Iglesias ERC Senior Research Fellow Translational Imaging Group University College London http://www.jeiglesias.com http://cmictig.cs.ucl.ac.uk/ On 25 Jan 2017, at 11:45, Michel Hu mailto:a

[Freesurfer] Longitudinal stream with v6 but cross with v5.3

2017-01-26 Thread Matthieu Vanhoutte
Dear FS's experts, I have run all my cross with v5.3 and hesitate to run all longitudinal process with v6. Does that make sense and will improve the process or would it be risky to do this ? Many thanks for your lights ! Best regards, Matthieu ___ Free

Re: [Freesurfer] longitudinal tracula error

2017-01-26 Thread Bárbara Avelar Pereira
Hi Anastasia, Thanks so much for your help! Sorry for the delay in replying -- just wanted to make sure the was problem was indeed solved. Since I'm using a server for which I have no administrative rights, I had to wait before the update was installed. It seems to run perfectly now. I can't fi