[Freesurfer] Apply ROI Label from first time point to longitudinal template

2015-05-27 Thread amirhossein manzouri
Hi All, I have created two ROIs from first time point Qdec group comparison. I need to use this ROI labels to extract the thickness from tp1 and tp2 registered to base (template) subjects(from longitudinal pipeline). Would you please let me how can I convert the label from 1st time point space to

Re: [Freesurfer] hippocampal subfields

2015-05-27 Thread Eugenio Iglesias
Hi Erik, 30 mins for a subject sounds correct. If the text files with the volumes are there, and the segmentations look plausible, then everything should be fine. One more thing: it the outputs are in specific directories, please note that we changed the naming convention and structure of the

[Freesurfer] Longitudinal study... analyze of results....

2015-05-27 Thread Gonzalo Rojas Costa
Hi: I want to do a longitudinal study between two time points of a patient... I want to compare the volume of the hypocampii, white matter, etc... I did the computation of both time points, I created the base image, and the long ones... How can I analyze the aseg.stats files in each long folder

Re: [Freesurfer] differences in subcortical volumes from version 5.1 to 5.3

2015-05-27 Thread Bruce Fischl
Hi Maia that's surprising and a bit worrisome. It's been a while so I don't remember the details of the differences between 5.1 and 5.3. Did you have to edit the aseg in 5.1? cheers Bruce On Wed, 27 May 2015, Maia Pujara wrote: Hi, We ran our subjects through version 5.1, did a thorough

Re: [Freesurfer] error mni152 reg

2015-05-27 Thread Douglas N Greve
download this version ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/mni152reg and copy it to $FREESURFER_HOME/bin doug On 05/26/2015 01:40 PM, Park, Jung Mi wrote: Hello Freesurfer *mni152reg --s 0201JB-anat* *= *mkdir: cannot create directory

Re: [Freesurfer] Stats file question

2015-05-27 Thread Douglas N Greve
Can you list the 3 stats files you are talking about? I can't quite follow from below doug On 05/26/2015 02:21 PM, zal...@u.washington.edu wrote: Hello Freesurfer team, When generating the .stats files for grey matter volumetric data, this information appears in multiple places and I'm not

Re: [Freesurfer] FW: correcting for brain size

2015-05-27 Thread Douglas N Greve
Hi Gabriella, sorry for the delay On 05/22/2015 09:15 AM, Hirsch, Gabriella wrote: HI FS experts, I haven’t heard back and am still wrestling with these questions. Any takers? I’d really appreciate any thoughts at all if possible. Thanks, Gabriella *From:*Hirsch, Gabriella *Sent:*

Re: [Freesurfer] Fwd: recon-all issue

2015-05-27 Thread Douglas N Greve
don't know. Can you send the recon-all.log file? doug On 05/25/2015 07:13 PM, Anvi K Vora wrote: Hi Doug, That file does not exist, because none of the surf files got created from this pipeline. So there was an error before that? The mri files got created (partially) and what's there looks

Re: [Freesurfer] Custom LookUp Table

2015-05-27 Thread Douglas N Greve
This appears to be a problem with the 5.3 version of freeview. I think there is a way to get a newer version. Perhaps Zeke can point it out. doug On 05/26/2015 08:30 AM, Robert Kraft wrote: Doug, Thanks for responding to my question about to a custom lookup table in freeview. My apologies

Re: [Freesurfer] Longitudinal study: analyze results

2015-05-27 Thread Martin Reuter
Hi Gonzalo, yes, exactly, you only look at the *.long.* folders. Take a look at this page: http://surfer.nmr.mgh.harvard.edu/fswiki/LongitudinalStatistics specifically if you have 2 time points for all subjects, you can use the tools for analyzing slopes:

[Freesurfer] Longitudinal study: analyze results

2015-05-27 Thread Gonzalo Rojas Costa
Hi: For example: if I want to compare the volume of left hyppocampus in two time points, could I compare the volume in aseg.stats file of both long folders?... Sincerely, Gonzalo Rojas Costa Gonzalo Rojas Costa Advanced Medical Image Processing Laboratory

[Freesurfer] differences in subcortical volumes from version 5.1 to 5.3

2015-05-27 Thread Maia Pujara
Hi, We ran our subjects through version 5.1, did a thorough quality check and troubleshoot the data, and then re-ran our subjects through version 5.3 to verify that our findings were consistent between versions. We're running into an issue where we are not able to replicate our subcortical

Re: [Freesurfer] FW: correcting for brain size

2015-05-27 Thread Douglas N Greve
Can you send me /media/seagate_external_/freesurfer_subjects/qdec/Untitled/qdec.fsgd On 05/27/2015 03:47 PM, Hirsch, Gabriella wrote: Thanks for the response, Doug! Yes, here is the error message I get when I try to keep one measure (e.g. ICV or global volume) in QDEC. As I said earlier,

Re: [Freesurfer] Apply ROI Label from first time point to longitudinal template

2015-05-27 Thread Douglas N Greve
Use mri_label2label. Run it with --help to get more info doug On 05/27/2015 05:08 AM, amirhossein manzouri wrote: Hi All, I have created two ROIs from first time point Qdec group comparison. I need to use this ROI labels to extract the thickness from tp1 and tp2 registered to base

[Freesurfer] Longitudinal fMRI analysis

2015-05-27 Thread Michael Kranz
Hi, I have two groups and two time points (pre and post). I want to investigate group*time interactions in an fMRI task taken at both time points. I have run all the subjects through first level FEAT analyses in FSL as well as the longitudinal Freesurfer pipeline. I'm thinking of registering

Re: [Freesurfer] FW: correcting for brain size

2015-05-27 Thread Hirsch, Gabriella
Yes, it seems to be a qdec issue since mri_glmfit works by itself even without demeaning the larger values of ICV. Thanks anyway. One unrelated questions since I have you here; does FS produce a total or global cortical surface area file along the lines of TotalGrayVol? I'm looking for the

Re: [Freesurfer] FW: correcting for brain size

2015-05-27 Thread Douglas N Greve
still not sure, can you send these files? /media/seagate_external_/freesurfer_subjects/qdec/Untitled/contrasts/lh-Avg-Intercept-thickness.mat /media/seagate_external_/freesurfer_subjects/qdec/Untitled/contrasts/lh-Diff-EB-control-Intercept-thickness.mat On 05/27/2015 04:30 PM, Hirsch,

Re: [Freesurfer] FW: correcting for brain size

2015-05-27 Thread Hirsch, Gabriella
Sure. From: freesurfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Douglas N Greve [gr...@nmr.mgh.harvard.edu] Sent: Wednesday, May 27, 2015 4:35 PM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] FW:

Re: [Freesurfer] FW: correcting for brain size

2015-05-27 Thread Douglas N Greve
Hmm, still can't replicate the error. Can you post this file to our filedrop (see end of msg for url) /media/seagate_external_/freesurfer_subjects/qdec/Untitled/y.mgh On 05/27/2015 04:40 PM, Hirsch, Gabriella wrote: Sure. From:

Re: [Freesurfer] FW: correcting for brain size

2015-05-27 Thread Hirsch, Gabriella
Done. I wasn't sure if I had to put an email address for the recipient so I put yours. Let me know if you figure it out! :) Thanks so much. Gabriella -Original Message- From: freesurfer-boun...@nmr.mgh.harvard.edu [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Douglas N

Re: [Freesurfer] --sim: Command not found

2015-05-27 Thread Douglas N Greve
Right, strictly speaking, permutationis for orthogonal design matrices only, which is not the case when you have a covariate. There was a recent paper by Anderson Winkler Permutation Inference for the General Linear Model in NI in which he goes over various permutation methods for

Re: [Freesurfer] FW: correcting for brain size

2015-05-27 Thread Douglas N Greve
Oh, sorry, this is not a problem with mri_glmfit as I had thought. It is a problem with qdec itself on your data. I'm not sure what to tell you because I can't debug it without your data (and maybe not even then). You can use mri_glmfit directly. doug On 05/27/2015 04:49 PM, Hirsch, Gabriella

Re: [Freesurfer] FW: correcting for brain size

2015-05-27 Thread Hirsch, Gabriella
Sure thing, see attached. From: freesurfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Douglas N Greve [gr...@nmr.mgh.harvard.edu] Sent: Wednesday, May 27, 2015 4:19 PM To: freesurfer@nmr.mgh.harvard.edu Subject: Re:

Re: [Freesurfer] --sim: Command not found

2015-05-27 Thread Mihaela Stefan
Thanks! It seems that there was a white space. I ran the permutation command but now I got another error: ERROR: design matrix is not orthogonal, cannot be used with permutation. If this something you really want to do, run with --perm-force Wed May 27 16:27:50 EDT 2015 ERROR: cannot find any csd

[Freesurfer] FS6 DEV Hippocampal Subfield Error

2015-05-27 Thread Elijah Mak
Hi FS Experts, When I tried to segment the subfields using the Dev version on subjects that have been previously processed with v5.3, I get the following error: INFO: FreeSurfer build stamps do not match Subject Stamp: freesurfer-Darwin-lion-stable-pub-v5.3.0 Current Stamp:

[Freesurfer] FS6 Dev: recon-all error

2015-05-27 Thread Elijah Mak
Hi Freesurfer Experts, I have installed the dev version to test recon-alls on some subjects, but I am running into the following error at the transformation stage. See below for the error message: /Applications/freesurfer6/bin/talairach_avi --i orig_nu.mgz --xfm transforms/talairach.auto.xfm

Re: [Freesurfer] FW: correcting for brain size

2015-05-27 Thread Douglas N Greve
There should be one in aseg.stats. On 05/27/2015 05:45 PM, Hirsch, Gabriella wrote: Yes, it seems to be a qdec issue since mri_glmfit works by itself even without demeaning the larger values of ICV. Thanks anyway. One unrelated questions since I have you here; does FS produce a total or

Re: [Freesurfer] Longitudinal fMRI analysis

2015-05-27 Thread Douglas N Greve
you can also do a paired analysis (search the wiki) doug On 05/27/2015 05:51 PM, Martin Reuter wrote: Hi Mike, I doubt the 2-stage-model scripts will work for you. They were designed for structural analysis. But you can make use of the within-subject template space to do you fmri analysis

Re: [Freesurfer] Longitudinal fMRI analysis

2015-05-27 Thread Martin Reuter
Hi Mike, I doubt the 2-stage-model scripts will work for you. They were designed for structural analysis. But you can make use of the within-subject template space to do you fmri analysis (map all fmri results there and do all within-subject comparisons in that space before going across