Re: [Freesurfer] TRACULA analyses in glmfit

2015-07-06 Thread Pedro Rosa - GMail
oduced in > case you want to visualize something on an average brain, but all the > pointwise and average FA/MD/etc values are extracted in the native DWI > space of each subject. > > Best, > a.y > > On Sun, 5 Jul 2015, Pedro Rosa - GMail wrote: > > &g

[Freesurfer] TRACULA analyses in glmfit

2015-07-05 Thread Pedro Rosa - GMail
Dear Developers, Tracula’s Statistics wiki suggests one to use the statistical software of choice. Could it be glmfit? For that, I think I would need to concatenate each tract-by-voxel diffusion data from each subject (e.g., each diffusion data of course separately) in common space (e.g., MNI)

Re: [Freesurfer] dt_recon

2015-05-16 Thread Pedro Rosa - GMail
Thanks, Doug! Pedro Rosa On Monday, May 11, 2015 at 6:51 PM, Douglas N Greve wrote: > It sounds like you did the right thing. > > On 05/10/2015 02:41 PM, Pedro Rosa - GMail wrote: > > Dear developers, > > I am running an analysis with dt_recon, and it seems that

[Freesurfer] dt_recon

2015-05-10 Thread Pedro Rosa - GMail
Dear developers, I am running an analysis with dt_recon, and it seems that my DWI files are organized into three series (one larger, and two smaller, that I believe are ADC and Trace). Inputing a DICOM file to dt_recon generates a .nii file from one of the series only (the larger one, once it h

Re: [Freesurfer] Amazon EC2 for FreeSurfer 5.3

2015-04-29 Thread Pedro Rosa - GMail
veira Junior > Netfilter & SpeedComm Telecom > -- www.netfilter.com.br (http://www.netfilter.com.br) > -- For mobile: http://itunes.apple.com/br/artist/netfilter/id365306441 > > > On Wed, Apr 15, 2015 at 9:47 PM, Pedro Rosa - GMail (mailto:pedrogomesr...@gmail.com)> wrot

[Freesurfer] Amazon EC2 for FreeSurfer 5.3

2015-04-15 Thread Pedro Rosa - GMail
Dear FreeSurfer users, Has anyone succeeded in running FreeSurfer 5.3 in a cloud processing system, such as Amazon EC2? I have seen prior posts in regard of FreeSurfer 5.1 (https://mail.nmr.mgh.harvard.edu/pipermail//freesurfer/2011-November/021181.html), but not for 5.3. Regards, Pedro Rosa. __

Re: [Freesurfer] Insula

2015-04-07 Thread Pedro Rosa - Gmail
; Bruce > On Mon, 6 Apr 2015, Pedro Rosa - Gmail > wrote: > > > Dear FreeSurfers, > > I was correcting the topology of some subjects, and could not fix some > > subjects whose insula is misplaced into the temporal lobe / subcortical > > regions. Inspecting wm.mg

[Freesurfer] Insula

2015-04-06 Thread Pedro Rosa - Gmail
Dear FreeSurfers, I was correcting the topology of some subjects, and could not fix some subjects whose insula is misplaced into the temporal lobe / subcortical regions. Inspecting wm.mgz in tkmedit, it seems that there are wm voxels into the hippocampus, perhaps leading surfaces to be built th

Re: [Freesurfer] Longitudinal - varying geometries

2015-04-01 Thread Pedro Rosa - GMail
t; > >voxel sizes: 1.0938, 1.0938, 1.5000 > > > > > > This can induce a bias. You need to keep imaging parameters fixed in a > > > longitudinal study, else you'll not know if changes are anatomical > > > changes or induced by the different

[Freesurfer] Longitudinal - varying geometries

2015-04-01 Thread Pedro Rosa - Gmail
Dear FreeSurfers, I have read in the Mailing list (http://www.mail-archive.com/freesurfer%40nmr.mgh.harvard.edu/msg32753.html and others) other users asking questioning in regard of a Warning from FreeSurfer 5.3 longitudinal pipeline (-base step): \n**

Re: [Freesurfer] Cortical Misegmentation

2015-03-06 Thread Pedro Rosa - Gmail
> ?dl=0 > > Thanks a lot, > > Pedro. > > > > On Mar 5, 2015, at 23:32, Bruce Fischl > > mailto:fis...@nmr.mgh.harvard.edu)> wrote: > > > > Hmmm, if you upload it we will take a look > > Bruce > > > > > > > > On M

Re: [Freesurfer] Cortical Misegmentation

2015-03-05 Thread Pedro Rosa - Gmail
etc...? > > > > On Mar 5, 2015, at 9:08 PM, Pedro Rosa - Gmail (mailto:pedrogomesr...@gmail.com)> wrote: > > > Hi, Bruce. > > Yes, it it the T1.mgz. Is it a large topological error? Can I correct it > > editing wm.mgz? > > Thanks, > > Pedro. > >

Re: [Freesurfer] Cortical Misegmentation

2015-03-05 Thread Pedro Rosa - Gmail
gt; > > On Mar 5, 2015, at 8:28 PM, Pedro Rosa - Gmail (mailto:pedrogomesr...@gmail.com)> wrote: > > > Dear FreeSurfer, > > I have found several subjects to have temporal lobe misegmentations > > (usually neocortical, as attached, but sometimes mesial temppora

[Freesurfer] Cortical Misegmentation

2015-03-05 Thread Pedro Rosa - Gmail
Dear FreeSurfer, I have found several subjects to have temporal lobe misegmentations (usually neocortical, as attached, but sometimes mesial tempporal), and less frequently in the insula. I could find in the manual editing page from the Wiki a way to fix this. How should I do it? Thanks a lot,

[Freesurfer] RAM Replace

2015-02-23 Thread Pedro Rosa - Gmail
Dear all, I would like to know whether a RAM memory replacement in a Mac computer would change FreeSurfer 5.3 processing. I have a sample that was almost completely processed, but there are a few subjects whose acquisition are yet to be done. I would like know whether I could process such images

Re: [Freesurfer] Thin Surface

2015-02-18 Thread Pedro Rosa - Gmail
intensity parameters are reasonable? Things like max gray > at csf border and such. If not, you can set them explicitly using the > expert opts - this usually works > Bruce > On Wed, 18 Feb 2015, Pedro Rosa - Gmail > wrote: > > > Hi, > > I am resending

[Freesurfer] LME Contrasts - Longitudinal Analysis

2015-01-10 Thread Pedro Rosa - Gmail
Dear Freesurfer List, Reading the Wiki for the GLM procedures, I understood that that covariates that are “0” in the contrast matrix are “regressed out” (http://surfer.nmr.mgh.harvard.edu/fswiki/Fsgdf2G2V). I would like to know if this is also true for the LME contrasts (http://surfer.nmr.mg