[Freesurfer] DIAG influencing recon-all pipeline?

2017-05-30 Thread Jens Offenbach
Hallo, first of all: Sorry to be a little bit clingy, but I have some problems in understanding regarding the DIAG option in FreeSurfer. As suggested by Bruce, I have set DIAG to 0x and DIAG_VERBOSE to 1. I am getting a lot of output now and a very large recon-all.log. Unfortunately, I

[Freesurfer] Qdec/Tksurfer keyboard input error

2017-05-30 Thread Victor Montal Blancafort
Dear Freesurfer experts: Recently, I have update my OS to Ubutnu 16.04. Afterwards, I tried to re-run some analysis using Qdec 1.4 (stable 5.1) and Qdec 1.5 (stable 6.0). However, I am not able to input any threshold via my keyboard (neither the Subjects or Display tab). This issue also happens wh

Re: [Freesurfer] mri_annotation2label No such file or directory

2017-05-30 Thread Bruce Fischl
Hi Duy ls -l Will show you permissions, but I think you will need to do a unix tutorial or get some local help Cheers Bruce > On May 30, 2017, at 8:06 PM, Duy Nguyen wrote: > > Dear Bruce > > Thanks for your response. Would you please showing me how to check the Unix > permission? And furt

Re: [Freesurfer] [TRACULA] Issue with registration to diffusion space

2017-05-30 Thread Ostrowski, Lauren
Yes I updated those and renamed them so that they'd be in the locations TRACULA expects. Lauren El may. 30, 2017, a las 8:12 PM, Yendiki, Anastasia mailto:ayend...@mgh.harvard.edu>> escribió: Yes, this is what I suspected. The outputs of bbregister are anatorig2diff.bbr.dat and anatorig2dif

Re: [Freesurfer] [TRACULA] Issue with registration to diffusion space

2017-05-30 Thread Yendiki, Anastasia
Yes, this is what I suspected. The outputs of bbregister are anatorig2diff.bbr.dat and anatorig2diff.bbr.mat. Are these the ones that you updated? The other ones are generated by trac-all -intra. From: freesurfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@n

Re: [Freesurfer] mri_annotation2label No such file or directory

2017-05-30 Thread Duy Nguyen
Dear Bruce Thanks for your response. Would you please showing me how to check the Unix permission? And further that when I tried with the tutorial subject data, it was fine. Please let me know if you have any more inquiries Thank you and warmest regards, Duy On Sat, May 27, 2017 at 9:16 PM Bruce

Re: [Freesurfer] [TRACULA] Issue with registration to diffusion space

2017-05-30 Thread Ostrowski, Lauren
Hi Anastasia, It looks as though some but now all have updated - [franklin:xfms] (nmr-dev-env) ls -l total 152 -rw-rw-r-- 1 lo941 megclin 328 May 30 15:07 anat2anatorig.dat -rw-rw-r-- 1 lo941 megclin 328 May 30 15:07 anat2anatorig.dat~ -rw-rw-r-- 1 lo941 megclin83 May 30 15:07 anat2anator

Re: [Freesurfer] [TRACULA] Issue with registration to diffusion space

2017-05-30 Thread Yendiki, Anastasia
Hi Lauren - Can you run "ls -l" in this subject's dmri/xfms/ and check the creation dates of the files to see if they were updated? a.y From: freesurfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Ostrowski, Lauren [lostro

Re: [Freesurfer] Problem with Recon-All for Volmetric

2017-05-30 Thread Bruce Fischl
you mean not to generate surfaces/parcellations/thickness? I guess you could run -autorecon1 -autorecon2. That would do the start of the surface stuff, but not much (and not long) cheers Bruce On Tue, 30 May 2017, Becker, Valerie wrote: Hi all, Forgive me, as I' new at this, but I cant s

Re: [Freesurfer] FDR implementations

2017-05-30 Thread Douglas N Greve
lme_mass_FDR, fast_fdrthresh, and MRISfdr2vwth should give basically the same result if the mask is the same. Note that there is mri_fdr which should also give the same result. One place where they might give different results is if no vertex survives, but that does not look like the case. My g

Re: [Freesurfer] Problem with Recon-All for Volmetric

2017-05-30 Thread Douglas N Greve
you can run it with -autorecon1 -autorecon2 On 05/30/2017 04:00 PM, Becker, Valerie wrote: > > Hi all, > > > Forgive me, as I' new at this, but I cant seem to quite make heads or > tails of the Recon-all page with instructions on how to divide it the > commands. We're just trying to run indivi

[Freesurfer] Problem with Recon-All for Volmetric

2017-05-30 Thread Becker, Valerie
Hi all, Forgive me, as I' new at this, but I cant seem to quite make heads or tails of the Recon-all page with instructions on how to divide it the commands. We're just trying to run individual volumetric analyses at the moment. Is there a way to do that with a recon- proc? So as to shorten pr

[Freesurfer] FDR implementations

2017-05-30 Thread Mihaela Stefan
Dear FreeSurfers, I have a ROI that I want to correct with FDR. I found that FreeSurfer has different implementations of FDR correction and all of them give different results. My ROI has 4205 vertices with p values between -5.0366 and 1.1673. When I set FDR in tksurfer (MRISfdr2vwth), I get p th

Re: [Freesurfer] [TRACULA] Issue with registration to diffusion space

2017-05-30 Thread Ostrowski, Lauren
Hi Anastasia, I just re-ran the trac-preproc script with the bbregister command set to 0 in the configuration file, and I'm afraid I got the same erroneous result. Do you have any other ideas as to where the problem could be coming from? Lauren From: freesurfe

Re: [Freesurfer] Project volumes in MNI to lrsym_fsaverage6

2017-05-30 Thread Douglas N Greve
I don't think there is an 6 for the sym. To get it on to the normal sym, run recon-all on the mni152, then treat it like a subject (ie, run xhemireg, etc) On 05/30/2017 11:00 AM, Meiling Li wrote: > Dear freesurfer experts > I have processed resting state fMRI data in MNI space , for example:

Re: [Freesurfer] [TRACULA] Issue with registration to diffusion space

2017-05-30 Thread Yendiki, Anastasia
Hi Lauren - I suspect that TRACULA is not using your corrected bbregister registration file. That's because the -intra step in TRACULA doesn't just run bbregister, but also does a bunch of other things with the output of bbregister, like transform, invert, and compose a bunch of registration fil

Re: [Freesurfer] Thickness from ROI_mask.label

2017-05-30 Thread Bruce Fischl
Hi Stefano mris_anatomical_stats -l ROI_mask.label ... should do the trick cheers Bruce On Tue, 30 May 2017, std...@virgilio.it wrote: > Hi list, > is possible to calculate the thickness of a ROI_mask.label which I have drawn > using tksurf? > Please could you suggest a command line? > Thanks

Re: [Freesurfer] Regarding: Comparing hippocampal volume from different scanners for two different population

2017-05-30 Thread Douglas N Greve
there might be. The problem with having all one group from one scanner and all other other group from another scanner is that you cannot tell what is due to scanner and what is due to group. On 05/30/2017 11:50 AM, Dr Sampada Sinha wrote: > Thanks Dr Greve for your reply. I understand it can be

[Freesurfer] Thickness from ROI_mask.label

2017-05-30 Thread stdp82
Hi list,is possible to calculate the thickness of a ROI_mask.label which I have drawn using tksurf?Please could you suggest a command line?ThanksStefano___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/li

[Freesurfer] Regarding: Comparing hippocampal volume from different scanners for two different population

2017-05-30 Thread Dr Sampada Sinha
Thanks Dr Greve for your reply. I understand it can be taken into account if study group is the same and different scanner is used on the same group. So does it mean there is a differential change in volume depending on the field strength? Appreciate your help. Kind regards, Sam On Tuesday, May

[Freesurfer] Gray matter volume calculation

2017-05-30 Thread Josue Luiz Dalboni Da Rocha
Dear Freesurfer team, We are analyzing the gray matter volume of some customized labels, using mris_anatomical_stats. We are wondering about some characteristics of the obtained volume. Is the volume of a label (as calculated by mris_anatomical_stats) the sum of the volume elements of each v

[Freesurfer] Project volumes in MNI to lrsym_fsaverage6

2017-05-30 Thread Meiling Li
Dear freesurfer experts I have processed resting state fMRI data in MNI space , for example: Data: 91*109*91*240, 240 was the time frames number. How could i project the data in MNI space to the symmetric surface(eg lrsym_fsaverage6) ? Thanks in advance! Meiling __

Re: [Freesurfer] PETSURFER - smooth question

2017-05-30 Thread Douglas Greve
I don't think there are clear answers to this kind of question. The optimal smoothing kernel size depends on the size of the effect you are looking for, not the modality that you are using. The actual amount of smoothing will be more for PET because of the inherent smoothing, but that smoothing

Re: [Freesurfer] Regarding: Comparing hippocampal volume from different scanners for two different population

2017-05-30 Thread Douglas Greve
You do need to take it into account, but you cannot if one group is 1.5T and the other is 3T. On 5/28/17 10:41 AM, Dr Sampada Sinha wrote: Dear freesurfer experts, I am presently trying to calculate hippocampal volume for two different study groups. One study group images (MDD) was acquired

[Freesurfer] PETSURFER - smooth question

2017-05-30 Thread Eduard Vilaplana Martinez
Dear FS experts, I've been working with the proposed pipeline, but I still have a doubt regarding the degree of smooth to be applied to the final surfaces prior to the analyses. The first question is that, given a "standard" PET scanner, with a PSF between 5-8mm, what size smooth would you app

Re: [Freesurfer] Improving the brainmask.mgz using aseg.mgz for getting rid of dura

2017-05-30 Thread Martin Reuter
Hi, sorry to dig up this old email (just came across it). We have stopped with the gcut, because in some cases it cropped brain. Also passing a T2 via the -T2 flag (which is supposed to remove dura) sometimes crops cortex. It should be made clear that at the stage of the brainmask this should

Re: [Freesurfer] UPDATE: error in long_mris_slopes

2017-05-30 Thread Martin Reuter
Hi Clara, more likely there is a problem with your sever (e.g. disk IO problems). The label intersection works like this: For each subject it copies the of the first time point to rh.cortex.label to the base directory as: rh.long.cortex.label it then intersect the label with the one from the

Re: [Freesurfer] ADNI longitudinal brain volume in normal subjects

2017-05-30 Thread Martin Reuter
Hi Emory, Lots of publicly available Datasets have controls OASIS, ADNI, MIRIAD the problem is that these images were scanned on different scanners with different protocols, so the measurements are not comparable to your patients. Best, Martin On 05/24/2017 12:10 AM, shi yao wang wrote: We