[Freesurfer] fwhm in area analysis

2017-09-26 Thread Daniel Yang
Hi FreeSurfer experts, When I specify fwhm=15 to analyze area, mri_surfcluster said that it cannot find fwhm31 in fsaverage/${hemi}/cortex/fwhm31/... This did not happen when I used FreeSurfer 5.3.0 I am wondering if FreeSurfer 6.0.0 pre-smooths the surface area? Thanks, Daniel

[Freesurfer] Error in mris_anatomical_stats

2017-09-26 Thread stdp82
Hi list,using FS-FAST I have obtained a map reporting - Red_positive cluster shows difference for FC of group A > FC of group B- Blue_negative cluster shows difference for FC of group B < FC of group A Because I would like to extract the value of cortical thickness from each cluster, I have save

Re: [Freesurfer] bad midline cut

2017-09-26 Thread Bruce Fischl
hmmm, if you tar, gzip and upload the subject I'll take a look. Bruce On Tue, 26 Sep 2017, Gabor Perlaki wrote: > I've already corrected aseg.presurf.mgz and the left and right lateral > ventricles are now correct in > the final aseg.mgz. However the pial surface is almost the same as earlier:

Re: [Freesurfer] bad midline cut

2017-09-26 Thread Gabor Perlaki
I've already corrected aseg.presurf.mgz and the left and right lateral ventricles are now correct in the final aseg.mgz. However the pial surface is almost the same as earlier: https://mega.nz/#!XAZkWLZa!a6NgkEtiHzEqUkhZ6WimPgUKxytsGHKrgOLfyHdUuEM https://mega.nz/#!XRRHna7Q!vaeSLG5Cv-fGW-0xdEJlgF

Re: [Freesurfer] bad midline cut

2017-09-26 Thread Bruce Fischl
yes, Gabor already pointed this out to me :) thanks to both of you Bruce On Tue, 26 Sep 2017, Antonin Skoch wrote: Dear Bruce, Gabor, while reading this thread, I think that there is misunderstanding. -noaseg flag of recon-all indeed disables using aseg.presurf,  whereas -autorecon2-noas

Re: [Freesurfer] bad midline cut

2017-09-26 Thread Bruce Fischl
oh, sorry, you are correct. I guess you need to edit the aseg.presurf.mgz since that is what mri_fill is given as a segmentation. Sorry for the mistake Bruce On Tue, 26 Sep 2017, Gabor Perlaki wrote: > If I accurately understand the recon-all script, then -noaseg sets UseAseg=0, > but > "auto

Re: [Freesurfer] bad midline cut

2017-09-26 Thread Antonin Skoch
Dear Bruce, Gabor, while reading this thread, I think that there is misunderstanding. -noaseg flag of recon-all indeed disables using aseg.presurf,  whereas -autorecon2-noaseg does the same thing as -autorecon2-cp (at least in dev version, looking at the recon-all code). Antonin Skoch Hi Ga

Re: [Freesurfer] Saving individual labels from aseg

2017-09-26 Thread Douglas N Greve
Try mri_cor2label On 09/26/2017 04:11 PM, Fereshte wrote: > Dear Experts, > Is it possible to convert aseg file to individual lables ( except the > one introduced by Jared Tanner) ? > Thank you! > > > ___ > Freesurfer mailing list > Freesurfer@nmr.mgh.

[Freesurfer] Saving individual labels from aseg

2017-09-26 Thread Fereshte
Dear Experts, Is it possible to convert aseg file to individual lables ( except the one introduced by Jared Tanner) ? Thank you! ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The

Re: [Freesurfer] Automatic Topology Correction

2017-09-26 Thread Fereshte
Well i think there are some by making comparisons between surfaces( pial and white) and the segmentation before topology correction ( i could see some holes still existed) . I'm going to check the mris_euler_number to see the result. Thank you. On Tue, Sep 26, 2017 at 5:30 PM Bruce Fischl wrote:

Re: [Freesurfer] bad midline cut

2017-09-26 Thread Gabor Perlaki
If I accurately understand the recon-all script, then -noaseg sets UseAseg=0, but "autorecon2-noaseg" is a different flag, which only sets the following things. case "-autorecon2-cp": case "-autorecon2-noaseg": case "-autorecon2-wm": set DoNormalization2 = 1; set DoSegment

Re: [Freesurfer] Freesurfer Digest, Vol 163, Issue 45

2017-09-26 Thread Kartik Naik
ructing geometrically accurate and topologically correct models of > >> the human cerebral cortex. IEEE Trans Med Imaging 20, 70-80. > >> > >> Florent S?gonne,Eric GrimsonBruce Fischl, 2003. Topological Correction > of > >> Subcortical

[Freesurfer] PySurfer 0.8.0 release

2017-09-26 Thread Eric Larson
Dear All, We are pleased to announce the 0.8.0 release of PySurfer, a Python-based package for visualizing Freesurfer data. This release includes bugfixes and multiple enhancements, including: - The surface geometry that is displayed can now be changed after initializing a Brain instance with e.

Re: [Freesurfer] bad midline cut

2017-09-26 Thread Bruce Fischl
no, I don't think that is the case. -noaseg sets UseAseg=0, which stops things like mri_fill from using the aseg, which is not what you want cheers Bruce On Tue, 26 Sep 2017, Gabor Perlaki wrote: > Dear Bruce, > > From the recon-all script it seems to me that autorecon2-noaseg, > autorecon2-w

Re: [Freesurfer] bad midline cut

2017-09-26 Thread Gabor Perlaki
Dear Bruce, >From the recon-all script it seems to me that autorecon2-noaseg, autorecon2-wm and autorecon2-cp are totally equivalent (the same flags are defined to be true in all three cases). Could you confirm this? Best regards, Gabor ___ Freesurfe

Re: [Freesurfer] modeling thickness data at a given age

2017-09-26 Thread Douglas N Greve
If you are using the Different Offset Different Slope (DODS) model, then, by default, it tests at age=0. If you want to test at age=8, just subtract 8 from all the ages On 09/26/2017 01:57 PM, Eryilmaz, H. Hamdi wrote: > Dear all, > > We are modeling changes in cortical thickness over time usin

[Freesurfer] modeling thickness data at a given age

2017-09-26 Thread Eryilmaz, H. Hamdi
Dear all, We are modeling changes in cortical thickness over time using a cross-sectional design. We have two groups of participants, age 8 to 18. In the cortical regions that interest us, there is generally a linear decline in thickness with age. Each group can be fitted to a best-fit line.

[Freesurfer] freesurfer longitudinal pipeline

2017-09-26 Thread miracle ozzoude
Hello Freesurfer, For the longitudinal pipeline, the website/ recon-all -help suggested that I calculate the different on the results from the longitudinal command (e.g. tp2.long.longbase - tp1.long.longbase). Let say, my timepoints were named 1001_Baseline.long.longbase and 1001_Followup.long.lon

Re: [Freesurfer] Volume Version of ?h.sphere.reg and method to read it

2017-09-26 Thread Bruce Fischl
Hi Daniel you might try asking the MNE developers about this, but I don't think this is correct. What would a volume version of the sphere.reg be? A filled in sphere? cheers Bruce On Tue, 26 Sep 2017, Daniel van de Velden wrote: Dear Freesurfer Team, I am using your reconstruction pipelin

Re: [Freesurfer] bad midline cut

2017-09-26 Thread Bruce Fischl
Hi Gabor you don't want to specify -noaseg. That tells recon-all not to use the aseg. I think autorecon2-cp and autorecon3 should do the trick cheers Bruce On Tue, 26 Sep 2017, Gabor Perlaki wrote: > Dear Bruce, > > I've corrected the lateral ventricles in the aseg.presurf.mgz and ran > "reco

Re: [Freesurfer] bad midline cut

2017-09-26 Thread Gabor Perlaki
Dear Bruce, I've corrected the lateral ventricles in the aseg.presurf.mgz and ran "recon-all -autorecon2-noaseg -autorecon3 -subjid". Although the labels in aseg.mgz is fine the surfaces (and midline cut) remained bad. Any other idea how to correct this type of error? Best Regards, Gabor

Re: [Freesurfer] Automatic Topology Correction

2017-09-26 Thread Bruce Fischl
why do you think there are defects? If you have run recon-all there are pretty much guaranteed not wo be any. You can't really see this visually, but mris_euler_number will tell you if there are any cheers Bruce On Tue, 26 Sep 2017, Fereshte wrote: Dear Experts, I checked the topology corre

[Freesurfer] Volume Version of ?h.sphere.reg and method to read it

2017-09-26 Thread Daniel van de Velden
Dear Freesurfer Team, I am using your reconstruction pipeline for my study. Since I need to morph all my subjects to an average subject (using mne-python for this) for upcoming a Volume Source Analysis I deeply looked into the whole source-code of both software packages. Narowing down the probl

Re: [Freesurfer] Automatic Topology Correction

2017-09-26 Thread Fereshte
Dear Experts, I checked the topology corrected surfaces in recon-all pipeline however i found it didn't do well as still there are many topology defects in the pial surfaces. I know how to correct them manually in freeview but are there any commands to recorrect these topological defects with for e