Re: [Freesurfer] brain mask and T1 are not the same size

2016-08-08 Thread Isabelle Deschamps



I also tried on a different computer with a different operating system (Yosemite) the manual corrections for the skull stripping and the same problem persists (dimension of the modified T1 changes to 255 x 255 x 256). Any ideas regarding how I
 can do these modifications for those 4 participants?


Thank you in advance for your help,


Isabelle





*





Isabelle Deschamps,
Chercheure postdoctorale,
Faculté de Médecine
Département de réadaptation
Université Laval Pavillon Ferdinand-Vandry 
1050 avenue de la Médecine Québec (Québec) 
G1V 0A6 
 
Centre de Recherche de l'Institut universitaire en santé mentale de Québec (CRIUMSQ)

 2601, chemin de la Canardière, bureau F-2424A 
Québec (Québec) G1J 2G3 
Téléphone : 418 663-5000 poste 6857









On Aug 5, 2016, at 12:00 PM, 
freesurfer-requ...@nmr.mgh.harvard.edu wrote:

TRACULA
 tract endpoints on cortical surface (Barbara Kreilkamp)
  4.
 recent problems with hippocampal subfield and
brainstem
 modules
 (Iglesias, Eugenio)
  5.
 Registration of low-resolution EPI time series to CVS
MNI
 (avoiding
 resampling) (Heidi Grohn)
  6.
 Spearman correlation in FreeSurfer (martina.papme...@puk.unibe.ch)
  7.
 Error using LGI script despite making suggested
changes
 to
 Matlab
 script. (Sam Mathias)
  8.
 Re: Spearman correlation in FreeSurfer (Douglas N Greve)
  9.
 Re: How does Optseq





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[Freesurfer] resample structural ROI in functional space?

2016-08-08 Thread Kami Koldewyn
Hi All,

I have a set of ROIs that were created in structural space, currently saved as 
volume masks. I would like to transform these into functional space, re-sampled 
to the functional resolution.  Can anyone suggest a good way to do this?


-kami




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[Freesurfer] FW: TRACULA re-init error

2016-08-08 Thread Song, Daniel


Dan

From: Ostrowski, Lauren
Sent: Monday, August 08, 2016 4:08 PM
To: Song, Daniel
Subject: FW: TRACULA re-init error



From: Ostrowski, Lauren
Sent: Monday, August 08, 2016 4:04 PM
To: Freesurfer@nmr.mgh.harvard.edu
Subject: TRACULA re-init error

Hi all,

I'm running into a problem with TRACULA, when I try to re-initialize tracts 
that failed to reconstruct during the first run. I have set reinit = 1 in the 
configuration file and specified the particular tracts that I want to 
reconstruct, but when I try to run the "trac-all -prior" step, I keep getting 
this error message:


INFO: SUBJECTS_DIR is /autofs/cluster/neuromind/cat/bects/subjects
INFO: Diffusion root is /cluster/neuromind/cat/bects/subjects/pBECTS001/trac
Actual FREESURFER_HOME /autofs/cluster/freesurfer/centos6_x86_64/dev
trac-preproc -c 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/scripts/dmrirc.local
 -log 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/scripts/trac-all.log
 -cmd 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/scripts/trac-all.cmd
#-
/usr/local/freesurfer/dev/bin/trac-preproc
#-
#@# Priors Mon Aug  8 15:53:46 EDT 2016
/usr/local/freesurfer/dev/bin/dmri_train --outdir 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/dlabel/mni --out 
fmajor_PP_avg33_mni_bbr --slist /tmp/subj33.pBECTS001.15581.txt --trk 
dlabel/mni/fmajor_PP.bbr.trk --seg dlabel/mni/aparc+aseg.nii.gz --cmask 
dlabel/mni/cortex+2mm.nii.gz --lmask 0 --rois 
dlabel/mni/fmajor_PP_roi1.bbr.nii.gz dlabel/mni/fmajor_PP_roi2.bbr.nii.gz 
--bmask 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/dlabel/mni/lowb_brain_mask.bbr.nii.gz
 --fa 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/dmri/dtifit_FA.nii.gz
 --cptdir 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/dlabel/diff 
--reg 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/dmri/xfms/mni2diff.bbr.mat
 --ncpts 7 --xstr --trunc
ERROR: fio_pushd: 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/dlabel/mni


cwd /autofs/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/dlabel/mni
cmdline /usr/local/freesurfer/dev/bin/dmri_train --outdir 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/dlabel/mni --out 
fmajor_PP_avg33_mni_bbr --slist /tmp/subj33.pBECTS001.15581.txt --trk 
dlabel/mni/fmajor_PP.bbr.trk --seg dlabel/mni/aparc+aseg.nii.gz --cmask 
dlabel/mni/cortex+2mm.nii.gz --lmask 0 --rois 
dlabel/mni/fmajor_PP_roi1.bbr.nii.gz dlabel/mni/fmajor_PP_roi2.bbr.nii.gz 
--bmask 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/dlabel/mni/lowb_brain_mask.bbr.nii.gz
 --fa 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/dmri/dtifit_FA.nii.gz
 --cptdir 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/dlabel/diff 
--reg 
/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/dmri/xfms/mni2diff.bbr.mat
 --ncpts 7 --xstr --trunc
sysname  Linux
hostname truffles
machine  x86_64
user lo941
Output directory: 
/autofs/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/dlabel/mni
Output directory in test subject's space: 
/autofs/cluster/neuromind/cat/bects/subjects/pBECTS001/trac/pBECTS001/dlabel/diff
Output base: fmajor_PP_avg33_mni_bbr
Training subject directory list: /tmp/subj33.pBECTS001.15581.txt
Location of streamline files relative to base: dlabel/mni/fmajor_PP.bbr.trk
Location of start ROI files relative to base: 
dlabel/mni/fmajor_PP_roi1.bbr.nii.gz
Location of end ROI files relative to base: dlabel/mni/fmajor_PP_roi2.bbr.nii.gz
Location of cortex masks relative to base: dlabel/mni/cortex+2mm.nii.gz
Label ID's from aparc+aseg to add to cortex mask: 0
Location of aparc+aseg's relative to base: dlabel/mni/aparc+aseg.nii.gz
Brain mask for output subject: Segmentation fault (core dumped)
Linux truffles 2.6.32-573.22.1.el6.x86_64 #1 SMP Wed Mar 23 03:35:39 UTC 2016 
x86_64 x86_64 x86_64 GNU/Linux

trac-preproc exited with ERRORS at Mon Aug  8 15:53:46 EDT 2016


Any help would be very much appreciated. It seems to me that TRACULA can't find 
the aparc+aseg labels, but when I looked at the aparc+aseg nifty file, the 
parcellations and labels all seem correct.

Thanks,
Lauren Ostrowski
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[Freesurfer] hippocampus question

2016-08-08 Thread Jasmin Alves
Dear Freesurfer,

I have noticed that the subcortical grey matter volume output for the
hippocampus differs slightly from other segmentation methods, I was
wondering if this is due to what subfields of the hippocampus are included
in the segmentation. I was curious which subfields Freesurfer includes as
regional boundaries for the hippocampus.

Thank you,
Jasmin

-- 
Jasmin Alves
Predoctoral Student
Medical Biology Graduate Program
University of Southern California
jal...@usc.edu
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