Re: [Freesurfer] Curvature in FreeSurfer

2017-08-17 Thread Kasper Jessen
Hi Bruce, In regard to ?h.curv. i extrated the meancurv from aparcstats2table (https://surfer.nmr.mgh.harvard.edu/fswiki/aparcstats2table). Howver, when i run long_mris_slopes, it does not seem to find ?h.meancurv. But i think i need to try ?h.curv instead. a) What were the thoughts behind usi

[Freesurfer] mris_register vs surfreg

2017-08-17 Thread Juergen Haenggi
Dear FS experts we constructed a customized template (using make_average_subject) to register the individual surfaces on that template instead of the fsaverage template. we recognized that there are, at least, two ways to do this either using mris_register or using surfreg. Is there any differe

Re: [Freesurfer] Error with recon-all long

2017-08-17 Thread Bruce Fischl
Hi Bronwyn I defer to Martin :) Bruce On Fri, 18 Aug 2017, Bronwyn Overs wrote: Hi Bruce, Please find attached both the command line output and the recon-all log. The command line I ran was: recon-all -long BASEID_001 TPID_001 -all I have already run and reviewed the cross-sectional and base

Re: [Freesurfer] Fwd: Antwort: Re: t1 mri_convert fails

2017-08-17 Thread Bruce Fischl
actually you can just do it with mri_convert -sc as long as the intensity isn't too low you should be fine. Try specifying so that the average white matter intensity is around 100 On Thu, 17 Aug 2017, Dino Digma wrote: Hi Bruce, I'm having very similar to this thread. How do I know the

Re: [Freesurfer] extract average thickness using label for every subject

2017-08-17 Thread Bruce Fischl
Hi Patricia try using the subject's rh.thickness instead (it is in subject space, as I think is your label) cheers Bruce On Thu, 17 Aug 2017, Patrícia Klobušiaková wrote: Dear Freesurfer experts, I have labels representing clusters that I created using mri_surfcluster on sig.mgh file using a

Re: [Freesurfer] FS-FAST outputs is X.mat used? {Disarmed}

2017-08-17 Thread Kevin Aquino
Thanks for that Doug! Cheers, *Dr Kevin Aquino* Research fellow, Sir Peter Mansfield Magnetic Resonance Center, The University of Nottingham. Honorary Research Fellow School of Physics, Faculty of Science, University of Sydney *E* kevin.aqu...@nottingham.ac.uk, aqu...@physics.usyd.edu.au | *W*

[Freesurfer] Longitudinal freesurfer

2017-08-17 Thread neuroimage analyst
Hi, We are currently doing longitudinal FreeSurfer analysis on subjects some of whom are scanned over a period of 6 years. There were 2 groups. One was the control group and the other was mTBI group. The hypothesis was the control group would have a fairly stable cortical and sub-cortical volume (

[Freesurfer] Fwd: Antwort: Re: t1 mri_convert fails

2017-08-17 Thread Dino Digma
Hi Bruce, I'm having very similar to this thread. How do I know the proper value to re-scale them by? Sorry if this is a basic question - I'm very new to FreeSurfer. Thanks! Best, Dino you need to scale them. WHy do you have negative values? I would scale them so that the min is 0 and the mean

[Freesurfer] Resample to cropped FOV in anatomical space

2017-08-17 Thread Michael Waskom
Hi Doug, I'd like to use the registration matrix from bbregister to transform functional data into a cropped FOV that corresponds with the anatomy. I thought that bbregister outputs a ras2ras transform, so if I could crop the anatomical volume with a correct header vox2ras, things should be fine.

[Freesurfer] extract average thickness using label for every subject

2017-08-17 Thread Patrícia Klobušiaková
Dear Freesurfer experts, I have labels representing clusters that I created using mri_surfcluster on sig.mgh file using a specific threshold. Now I want to use these labels to extract average thickness values for every subject. I tried to use mris_anatomical_stats -l $SUBJECTS_DIR/glm/analyza/clla

Re: [Freesurfer] FS-FAST outputs is X.mat used? {Disarmed}

2017-08-17 Thread Douglas N Greve
selxavg uses scenario #1, which corresponds to the 2nd image below, ie, all the task regressors are in a single column and not pulled out on a run-by-run basis. The nuisance regressors are specific to each run. > On 08/16/2017 08:24 PM, Kevin Aquino wrote: > Thanks for that Doug, > > [I was ho

Re: [Freesurfer] dat to lta

2017-08-17 Thread Douglas N Greve
I would just use tkregister --mov mov.nii --targ targ.nii --reg reg.dat --ltaout reg.lta --noedit On 08/17/2017 03:03 PM, Bruce Fischl wrote: > not sure, maybe it doesn't work for what you are trying? I defer to > either Martin or Doug on this > On Thu, 17 Aug 2017, John Anderson wrote: > >> T

Re: [Freesurfer] Mean diffusivity on cortex?

2017-08-17 Thread Douglas N Greve
Sorry, I don't know if that info is in PET dicom files On 08/16/2017 07:14 PM, Shane Schofield wrote: > Okay I understand. > > So I ideally would like to do the PetSurfer before actually working > on the BPND but I already got them in the BPND format as well as the > raw dynamic images. I trie

Re: [Freesurfer] mask alignment problem/mri_mask

2017-08-17 Thread Douglas N Greve
I'm coming into this a little late, but it seems very complicated. If understand correctly, you have a volume created in another software package that you want to map into the freesurfer space. Is that right? Do you want it in the "native" space of the anatomical or the "conformed" space? On

[Freesurfer] recon-all with multiple images with different voxel sizes

2017-08-17 Thread Gustav Mårtensson
Hi! We are processing images using recon-all -all -3T -mprage -qcache -hippocampal-subfields-T1 -brainstem-structures We've encountered an issue when we're trying to use multiple inputs (acquired at the same timepoint and with comparable quality). The issue is due to the two images having sl

Re: [Freesurfer] dat to lta

2017-08-17 Thread Bruce Fischl
not sure, maybe it doesn't work for what you are trying? I defer to either Martin or Doug on this On Thu, 17 Aug 2017, John Anderson wrote: Thank you Dr Bruce, I tried  lta_convert --inreg reg.dat --outlta reg.lta  but I am getting error message This REGISTR_DAT is only valid for volume betwee

Re: [Freesurfer] dat to lta

2017-08-17 Thread John Anderson
Thank you Dr Bruce, I tried lta_convert --inreg reg.dat --outlta reg.lta but I am getting error message This REGISTR_DAT is only valid for volume between COR type c_(r,a,s) =0 Please what I am doing wrong? > Original Message > Subject: Re: [Freesurfer] dat to lta > Local Time:

Re: [Freesurfer] mask alignment problem/mri_mask

2017-08-17 Thread Bruce Fischl
sorry, I still don't understand what it is you are trying to do. What are you trying to mask out? What is the source of the mask? Is the target of the mask a FreeSurfer volume? On Thu, 17 Aug 2017, Yagmur Ozdemir 19 wrote: > I looked at their orientation differences using mri_info and used this

Re: [Freesurfer] dat to lta

2017-08-17 Thread Bruce Fischl
I think lta_convert will do the trick. Check out the help cheers Bruce On Thu, 17 Aug 2017, John Anderson wrote: > Hi FS experts, > Is there any way to convert the registration matrix reg.dat to reg.lta? > > Thank you > John > > ___ Freesurfer mailin

Re: [Freesurfer] mask alignment problem/mri_mask

2017-08-17 Thread Yagmur Ozdemir 19
I looked at their orientation differences using mri_info and used this command; mri_convert --in_orientation LIA --out_orientation AIL native.template.mgh native.corrected.nii But still there is an alignment problem. Looks like the xform info differs so can I use the mri_mask command with specif

[Freesurfer] dat to lta

2017-08-17 Thread John Anderson
Hi FS experts, Is there any way to convert the registration matrix reg.dat to reg.lta? Thank you John___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail

Re: [Freesurfer] -nuiterations and -norm3diters under FreeSurfer 6.0

2017-08-17 Thread Falk Lüsebrink
Dear Antonio, “-norm3diters“ are the iterations of mri_normalize, whereas “-nuiterations” refers to the number of cycles of mri_nu_correct.mni. I suppose they both work in v6. If not you can simply create a file with expert options. Hope this helps! Best, Falk Von: freesurfer-boun...@nmr.mgh.

[Freesurfer] -nuiterations and -norm3diters under FreeSurfer 6.0

2017-08-17 Thread Antonio Algaze Beato
Hi, I have a question regarding -nuiterations and -norm3diters. I would like to get a feel for the options available for fine-tuning the intensity normalization in FreeSurfer 6.0. I've seen mention of -nuiterations on some posts. Is this still an option in FreeSurfer 6.0? The reason I ask is bec

Re: [Freesurfer] Skullstriping problems

2017-08-17 Thread Boyd, Emma
Hi Mateus, Could you clarify your original post for me: By "nothing changed," do you mean that the brainmask.mgz is the same as before even though you used the new watershed threshold? Or that this changed but nothing downstream (like the aseg.mgz) changed? Thanks, Emma

Re: [Freesurfer] mask alignment problem/mri_mask

2017-08-17 Thread Yagmur Ozdemir 19
Yes; sorry. The mask is created by an applied docker image which produced volume and surface files of the template in both the brain's native and freesurfer origin orientation. MW_IIHC_aTAL.nii is the brain file of the same subject I exported from another software-I am hoping to export the templ

Re: [Freesurfer] mask alignment problem/mri_mask

2017-08-17 Thread Bruce Fischl
Hi Idil you need to give us much more information to be able to help you. How did you create the mask? Why volume to you expect it to be in register with? What are the volumes MW_IIHC_aTAL.nii native.template.mgh and native.orientation.mgh ? Bruce On Thu, 17 Aug 2017, Yagmur Ozdemir 19 wrote

Re: [Freesurfer] Cortical thickness map for a pediatric case {Disarmed}

2017-08-17 Thread Sneha Pandya
Hi Martin, Sorry for delayed response and thank you so much for looking into it. I will follow the steps as described to get their thickness maps. For qdec, can we do analysis for single subjects? I believe I had tried it earlier but it failed with dof = 0. Can I set up qdec table as below to

Re: [Freesurfer] mask alignment problem/mri_mask

2017-08-17 Thread Bruce Fischl
if you want to reslice the mask to be like a template volume, use "-rl" instead of "-at" cheers Bruce On Thu, 17 Aug 2017, Yagmur Ozdemir 19 wrote: > I do not have a transform file I can use so I was wondering if I can simply > use the volume file I am trying to adapt the mask to as the transfo

Re: [Freesurfer] mask alignment problem/mri_mask

2017-08-17 Thread Yagmur Ozdemir 19
I do not have a transform file I can use so I was wondering if I can simply use the volume file I am trying to adapt the mask to as the transform file in the -at option. But looks like I cannot; mri_convert -at MW_IIHC_aTAL.nii native.template.mgh native.orientation.mgh mri_convert.bin -at MW_II

Re: [Freesurfer] mask alignment problem/mri_mask

2017-08-17 Thread Bruce Fischl
sorry, I don't understand Bruce On Thu, 17 Aug 2017, Yagmur Ozdemir 19 wrote: > Thank you! > > Then I guess I would use the volume as the transform file to convert my mask. > > Best, > Idil > > From: freesurfer-boun...@nmr.mgh.harvard.edu > [freesurfer-bou

Re: [Freesurfer] mask alignment problem/mri_mask

2017-08-17 Thread Yagmur Ozdemir 19
Thank you! Then I guess I would use the volume as the transform file to convert my mask. Best, Idil From: freesurfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Bruce Fischl [fis...@nmr.mgh.harvard.edu] Sent: Thursda

Re: [Freesurfer] mask alignment problem/mri_mask

2017-08-17 Thread Bruce Fischl
ok, but your mri_mask command line has the string "%s" in it, which is not correct. You need to specify an actual file name. I also think you are better off using mri_convert -at to map the mask into the right coordinate system so that you can then view it in freeview to make sure it is c

Re: [Freesurfer] mask alignment problem/mri_mask

2017-08-17 Thread Yagmur Ozdemir 19
The mask in volume format was created using a docker image and it works well both with my freesurfer origin and native volume files; the one that it doesn't align with is the volume file I am trying to adapt to/from a different software. The command line I used for transforming is this; mri_vo

Re: [Freesurfer] mask alignment problem/mri_mask

2017-08-17 Thread Bruce Fischl
Hi Idil how did you create the mask and the transform? Also, you can't specify "%s" on the command line - you need an actual name of a transform file. cheers Bruce On Thu, 17 Aug 2017, Yagmur Ozdemir 19 wrote: Hello freesurfer experts, A volume file I want to save as a mask(the orange

Re: [Freesurfer] Response to Freesurfer list email

2017-08-17 Thread Bruce Fischl
Hi Rose, you should post to the list as you will get better and faster answers (although this time I know it didn't work so well for you). I believe Martin published these numbers Bruce On Thu, 17 Aug 2017, Van Der Deijl, Rosanne wrote: Dear Bruce, I think my message might have gotten los

Re: [Freesurfer] Error with recon-all long

2017-08-17 Thread Bruce Fischl
Hi Bronwyn can you send us the full command line you ran, screen output and recon-all.log? And maybe a description of where you are in the process? You already ran all the tps through the cross? And created the base? cheers Bruce On Thu, 17 Aug 2017, Bronwyn Overs wrote: Hi again list, So

Re: [Freesurfer] Skullstriping problems

2017-08-17 Thread MATEUS ROZALEM ARANHA
Hi Emma, Could you take a look at the recon-all.log file I sent you? Best Mateus Enviado do meu iPhone > Em 11 de ago de 2017, às 11:18, Boyd, Emma escreveu: > > Hi Mateus, > > Please attach the recon-all.log file for your subject and I will take a look. > > > Best, > > Emma > > > >