Re: [Freesurfer] fsaverage surfaces correspondence across hemispheres

2015-02-17 Thread Douglas Greve
We don't have anything to do this directly. However, we do have this tool: http://surfer.nmr.mgh.harvard.edu/fswiki/Xhemi See if that meets your needs. doug On 2/17/15 12:49 PM, David Moreno-Dominguez wrote: > Hello, > I am performing clustering ofer data sampled to the fsaverage5 surfaces. > I

[Freesurfer] fsaverage surfaces correspondence across hemispheres

2015-02-17 Thread David Moreno-Dominguez
Hello, I am performing clustering ofer data sampled to the fsaverage5 surfaces. I would now like to be able to do color matchign and other processes that require a vertex correspondence across both surfaces. I have noticed that the vertices do not correspond directly (vertex 25 of lh is not the

[Freesurfer] A different question, pial problems near a temporal lesion

2015-02-17 Thread Mark Fletcher
Dear FreeSurfer Development Team, An additional, but different question. One of my subjects has some sort of hole (lesion) in the left temporal lobe (slides 3-5). I have attached a powerpoint with screenshots in order to visualize the issue ( http://gate.nmr.mgh.harvard.edu/filedrop2/?p=3pr4d21h

[Freesurfer] Problems with pial tracing near the insula

2015-02-17 Thread Mark Fletcher
Dear FreeSurfer Team, For some of my brains, I cannot seem to help FreeSurfer trace the pial surface near the insula for some (but not all) of my subjects. I have attached a powerpoint file with screenshots to this link for NMR users ( http://gate.nmr.mgh.harvard.edu/filedrop2/?p=41pbame2sz8 ) A

Re: [Freesurfer] Tracula_weighted metrics

2015-02-17 Thread Anastasia Yendiki
Hi Mohamad: 1. The command is called dmri_pathstats. You can look for the full syntax that's used by trac-all in the trac-all.log file. 2. That naming refers to the atlas that's used (it includes 33 subjects). 3. Sorry, tracula doesn't do exploratory tractography. Best, a.y On Tue, 17 Feb

[Freesurfer] Tracula_weighted metrics

2015-02-17 Thread Alshikho, Mohamad J.
Hi Anastasia, Kindly I have the following questions and I highly appreciate if you answered me: 1. I would like to ask how Tracula do calculate the weighted metrics and weighted volumes. Is there any command line that Tracula use in order to do this process? 2. After running Tracul

Re: [Freesurfer] Using TRACULA ROI for image in diffusionspace

2015-02-17 Thread Anastasia Yendiki
Hi Barbara Anne - In each tract's directory, you'll find the tract as a volumetric probability distribution in the file path.pd.nii.gz. You can use that as an ROI to extract statistics from any other volume that's in the same space as the tracts (native DWI space). To be consistent with the F

Re: [Freesurfer] TRACULA voxel unit

2015-02-17 Thread Anastasia Yendiki
Those volumes are in # of voxels. So you have to multiply them with the volume of your voxel in mm3. If, say, your resolution is 2mm isotropic, that'd be 2^3. On Mon, 16 Feb 2015, Woo-Suk Tae wrote: Dear FreeSurfer and TRACUAL expert I would like to know the volume unit of TRACULA pathes in

Re: [Freesurfer] bbregister error [Was: TRACULA mask error]

2015-02-17 Thread Worker, Amanda
Hi Anastasia, Yes that seems to work! Thank you very much for all your help. Best wishes, Amanda From: freesurfer-boun...@nmr.mgh.harvard.edu on behalf of Anastasia Yendiki Sent: 12 February 2015 20:02 To: Freesurfer support list Subject: Re: [Freesur