Freesurfer December 2013

freesurfer@nmr.mgh.harvard.edu

107 participants
197 discussions

Re: [Freesurfer] major lobes
by Mojdeh Zamyadi 04 Dec '13

04 Dec '13

Thanks Doug! maybe I'm making this too complicated! What I want is to know which label (number) corresponds to each of the main lobes. Right now my freeSurfer_lobes.nii.gz image has lables in the range of 0-100's (which is WM if not mistaken), and then labels in the range of 1000-1035 for the left and 2000-2035 for the right hemisphere with zero labels in 1002,1008-1035 & 2002,2008-2035! (and these labels correspond to the GM, correct?!) I tried --ctab option by running the following command: mri_annotation2label --subject P2 --hemi lh --ctab new_ColorTable.txt --lobesStrict freeSurfer_Results/P2/label/lh.freeSurfer_lobes.annot but it's not saving anything! Could you please tell me how to properly use this option? Thanks again, -Mojdeh On 11/29/2013 04:28 PM, Douglas Greve wrote: > The commands look right and it sounds like you might have the right > result. What do you mean you are getting a detailed WM + GM > segmentation? If you just load freeSurfer_lobes.nii.gz into tkmedit, the > label names will be all messed up because you don't have the proper > color table, but you should still only get 7 per hemi. To get the proper > color table, run mri_annotation2label with --ctab, then merge the two > ctabs you get (lh and rh). You don't need to rerun mri_aparc2aseg > doug > > > > On 11/29/13 3:09 PM, Mojdeh Zamyadi wrote: >> Hi all, >> >> Since I haven't heard back about my question so far, I'm posting it >> again! Sorry about this but I really need your help! >> >> As mentioned in my previous posts, I'm interested in having the GM >> volumetric lobar masks (frontal, parietal, temporal, occipital, and >> insular) with the final goal of moving them the DTI space to perform >> thalamic parcellation. I've ran the following commands: >> >> 1- a. mri_annotation2label --subject P2 --hemi lh --lobesStrict >> freeSurfer_Results/P2/label/lh.freeSurfer_lobes.annot >> b. mri_annotation2label --subject P2 --hemi rh --lobesStrict >> freeSurfer_Results/P2/label/rh.freeSurfer_lobes.annot >> >> 2- mri_aparc2aseg --annot freeSurfer_lobes --s P2 --o >> freeSurfer_Results/P2/label/freeSurfer_lobes.nii.gz >> >> I thought after doing this I'm going to get the 5 or 6 lobar labels, but >> instead I'm getting a detailed WM + GM segmentation. I looked at >> "FreeSurferColorLUT.txt" and tried to manually combine labels in the >> range of 1000-1035 for the left and 2000-2035 for the right hemisphere >> to get the lobe masks, but after having a closer look I realised that >> labels 1002,1008-1035& 2002,2008-2035 are all empty (ie. I only have 7 >> labels in each hemisphere)! so, I'm now not sure how to manually combine >> these labels either! >> >> Could someone PLEASE PLEASE clarify this for me! I would really >> appreciate any help! >> >> Thanks, >> -Mojdeh >> >> >> >> >> _______________________________________________ >> Freesurfer mailing list >> Freesurfer(a)nmr.mgh.harvard.edu >> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer >> >> > _______________________________________________ > Freesurfer mailing list > Freesurfer(a)nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > The information in this e-mail is intended only for the person to whom it is > addressed. If you believe this e-mail was sent to you in error and the e-mail > contains patient information, please contact the Partners Compliance HelpLine at > http://www.partners.org/complianceline . If the e-mail was sent to you in error > but does not contain patient information, please contact the sender and properly > dispose of the e-mail. >

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Re: [Freesurfer] R: Re: Linear regression
by Douglas N Greve 04 Dec '13

04 Dec '13

On 12/02/2013 03:14 PM, stdp82(a)virgilio.it wrote: > Tank you very much. > > A-Do you mean the partial correlation coeff (PCC) at each voxel > averaged over region? > Finally a linear regression is done between cortical thickness of a > composite region and NPS. However the authors discuss every individual > region as related to disease. So a table with partials correlations of > individuals ROIs with NPS seems useful to support the discussion. What did you do in the paper? The reviewer mentions a "composite region". Did you average the thickness over that region and then do the regression with NPS? > > B- I'd like to obtain the covariance matrix of the regression made > between cortical thickness, group and covariates. How can I do it? > I'm not sure what you mean. Would this be a different matrix for each > vertex? > I cite the referee: "The authors must provide the covariance matrix of > the regression made between cortical thickness, group and covariates > as supplementary information in order to increase the value of the > results." Sorry, I don't understand what the reviewer is asking for. doug > > I don't have Matlab for mri_glmfit_pcc matlab. > > Stefano > > > > > ----Messaggio originale---- > Da: greve(a)nmr.mgh.harvard.edu > Data: 2-dic-2013 20.47 > A: <freesurfer(a)nmr.mgh.harvard.edu> > Ogg: Re: [Freesurfer] Linear regression > > > On 12/02/2013 02:22 PM, stdp82(a)virgilio.it wrote: > > Hi list, > > > > I have some questions, please. > > > > I performed linear regression by qdec to find the regions where the > > cortical thinning correlates with neuropsychological test (NPS), > > taking in account 3 nuisance factors. > > > > A- I individuated some posterior regions and now I'd like to build a > > table with partials correlations of individuals ROIs with NPS. How can > > I obtain the values for each region? > Do you mean the partial correlation coeff (PCC) at each voxel averaged > over region? You can get PCC maps using the mri_glmfit_pcc matlab > command. You can then do the averaging over region using mri_segstats. > > > > B- I'd like to obtain the covariance matrix of the regression made > > between cortical thickness,group and covariates. How can I do it? > I'm not sure what you mean. Would this be a different matrix for each > vertex? > > > > C- Is there a specific reference for qdec? > No, it is just a GLM so any GLM reference will do. > > > > Thank you very much, > > > > > > Stefano > > > > > > > > > > > > _______________________________________________ > > Freesurfer mailing list > > Freesurfer(a)nmr.mgh.harvard.edu > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > -- > Douglas N. Greve, Ph.D. > MGH-NMR Center > greve(a)nmr.mgh.harvard.edu > Phone Number: 617-724-2358 > Fax: 617-726-7422 > > Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting > FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 > www.nmr.mgh.harvard.edu/facility/filedrop/index.html > Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ > > _______________________________________________ > Freesurfer mailing list > Freesurfer(a)nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > The information in this e-mail is intended only for the person to whom > it is > addressed. If you believe this e-mail was sent to you in error and the > e-mail > contains patient information, please contact the Partners Compliance > HelpLine at > http://www.partners.org/complianceline . If the e-mail was sent to you > in error > but does not contain patient information, please contact the sender > and properly > dispose of the e-mail. > > > -- Douglas N. Greve, Ph.D. MGH-NMR Center greve(a)nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 www.nmr.mgh.harvard.edu/facility/filedrop/index.html Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/

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talaraich.xfm and aseg.stats measurements
by Jonathan Harlap 04 Dec '13

04 Dec '13

I hope this question doesn't seem too dim, but hopefully someone can give me a simple answer… I'm currently interested in subcortical structure volumes, particularly hippocampus, so I'm looking in my subjects dirs at stats/aseg.stats to get those values. It's not clear to me if those measurements are in native or FS space and when I skim over the code for mri_segstats I don't see anything in there that applies a scaling factor to take into account the scale parameter of the native space to FS space transform, so I've been assuming that the volumes reported in aseg.stats are actually in FS space although that seems odd to me. So first off, are aseg.stats measurements in native or FS space? As a naive first attempt to calculate the scale factor myself I simply ran xfm2param on mri/transforms/talairach.xfm and then multiplied together all three scale factors to end up with something I could multiply the aseg.stats results by to get back to native space measurements. In one particular case I got a result of about 1.26. However, when I follow the directions at http://freesurfer.net/fswiki/FsAnat-to-NativeAnat to move the aseg.mgz into native space and then use mincstats to generate a histogram of the label values in the segmentation and compare that histogram to the same histogram generated from the FS space aseg.mgz, I find the values I get back from both files (a) don't match aseg.stats measurements and (b) are not scaled by anywhere close to 126% relative to each other. The former is undoubtedly a result of mri_segstats taking partial volume effects into account when calculating measurements, which is great, but the latter is genuinely surprising and makes me wonder if I'm making a bad assumption about what talairach.xfm is really supposed to represent. So - the real question of the day, how do I reliably get these subcortical volume measurements in native space using FreeSurfer? Cheers, Jonathan

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Re: [Freesurfer] gammavar.mgh?
by Kayle Sawyer 04 Dec '13

04 Dec '13

Hi Doug, Thanks for confirming how to calculate the 95% confidence interval of the slope for all my clusters. I realized that there was a small error in my formula, in that I should use the critical values from the t-distribution, not the z-distribution (so the SE multiplier will be more like 2.0 instead of 1.96, depending on my sample N). The problem is that mri_segstats trims the output at the 10,000ths place. Here is the cluster.summary and the segstats from the two clusters identified as significantly associated with age. mc-z.th1.3.neg.sig.cluster.summary: # ClusterNo Max VtxMax Size(mm^2) MNIX MNIY MNIZ CWP CWPLow CWPHi NVtxs Annot 1 -5.096 73213 4275.24 50.0 33.2 -7.2 0.00350 0.00280 0.00430 8455 parstriangularis 2 -3.802 51616 20825.27 4.9 -26.2 39.2 0.00010 0.00000 0.00020 41094 posteriorcingulate gamma.mgh: # ColHeaders Index SegId NVoxels Volume_mm3 StructName Mean StdDev Min Max Range 1 1 8455 8455.0 Seg0001 -0.0089 0.0027 -0.0147 -0.0038 0.0109 2 2 41094 41094.0 Seg0002 -0.0069 0.0017 -0.0132 -0.0023 0.0108 gammavar.mgh: # ColHeaders Index SegId NVoxels Volume_mm3 StructName Mean StdDev Min Max Range 1 1 8455 8455.0 Seg0001 0.0000 0.0000 0.0000 0.0000 0.0000 2 2 41094 41094.0 Seg0002 0.0000 0.0000 0.0000 0.0000 0.0000 So, for the 95% CI of the slope for cluster #1, I would use these formulas (N=60, so the t-distribution 95% critical value is 2.0003): -0.0089+2.0003*sqrt(0.0000) -0.0089-2.0003*sqrt(0.0000) Is there any way to add more significant digits to the mri_segstats output? Thanks, -Kayle On Nov 4, 2013, at 6:31 PM, Douglas N Greve <greve(a)nmr.mgh.harvard.edu> wrote: > > Yes, that should work. > doug > > On 10/30/2013 03:35 PM, Kayle Sawyer wrote: >> Hi all, >> >> I would like to calculate the 95% confidence interval of the slope for a thickness cluster (vs age in years) produced by mri_glmfit-sim. >> >> I have obtained values for my clusters from gamma.mgh and gammavar.mgh using these two commands: >> >> mri_segstats --i gamma.mgh >> --seg mc-z.th1.3.neg.sig.ocn.mgh >> --excludeid 0 >> --sum mc-z.th1.3.neg.sig.ocn.gamma.segstats >> >> mri_segstats --i gammavar.mgh >> --seg mc-z.th1.3.neg.sig.ocn.mgh >> --excludeid 0 >> --sum mc-z.th1.3.neg.sig.ocn.gammavar.segstats >> >> Next, (for each cluster, within each segstats summary file) I would take the “mean” from gamma, and the “mean” from gammavar, and calculate the 95% CI thus: >> gamma + 1.96*sqrt(gammavar) >> gamma - 1.96*sqrt(gammavar) >> >> Would these two values would give me the 95% confidence interval for the effect of age on that cluster, in mm/year? >> >> Thanks, >> -Kayle >> >> ------------------------------------ >> >> Yahoo Groups Links >> >> <*> To visit your group on the web, go to: >> http://groups.yahoo.com/group/martinos-tech/ >> >> <*> Your email settings: >> Individual Email | Traditional >> >> <*> To change settings online go to: >> http://groups.yahoo.com/group/martinos-tech/join >> (Yahoo! ID required) >> >> <*> To change settings via email: >> martinos-tech-digest(a)yahoogroups.com >> martinos-tech-fullfeatured(a)yahoogroups.com >> >> <*> To unsubscribe from this group, send an email to: >> martinos-tech-unsubscribe(a)yahoogroups.com >> >> <*> Your use of Yahoo Groups is subject to: >> http://info.yahoo.com/legal/us/yahoo/utos/terms/ >> >> >> > > -- > Douglas N. Greve, Ph.D. > MGH-NMR Center > greve(a)nmr.mgh.harvard.edu > Phone Number: 617-724-2358 > Fax: 617-726-7422 > > Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting > FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 > www.nmr.mgh.harvard.edu/facility/filedrop/index.html > Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ > > > > The information in this e-mail is intended only for the person to whom it is > addressed. If you believe this e-mail was sent to you in error and the e-mail > contains patient information, please contact the Partners Compliance HelpLine at > http://www.partners.org/complianceline . If the e-mail was sent to you in error > but does not contain patient information, please contact the sender and properly > dispose of the e-mail. >

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FS v5.3.0 installation problem.
by Bondarenko M. 04 Dec '13

04 Dec '13

Dear Freesurfer support team, Thank you very much for such a good software. I don't use it but I know it from our users at Southampton University. I am trying to Install Freesurfer V 5.3.0 on our cluster in Southampton University but when I run a job on our cluster it always fails. I have checked all configurations files, I have looked to your manual many times but still can not figure out the problem. Could you please help me out with installation. Some information =- cat $FREESURFER_HOME/build-stamp.txt => freesurfer-Linux-centos4_x86_64-stable-pub-v5.3.0 -- which mri_convert => /local/software/rh53/freesurfer/5.3.0/freesurfer/bin/mri_convert I have included my submitting bash script and also output file. Basically I am getting the error: " mghRead(/home/mb4/test/free/track2010FS/21655/mri/nu.mgz, -1): could not open file mri_em_register: could not open input volume nu.mgz. " I have also try to run "fixup_mni_paths" but it did not help. I have installed FS V4.0 and I did not have such a problem. Could you please have a look to my output and give me some advises. Thank you very much. Maksym Bondarenko _________________________ High Performance Computing iSolutions Building : 2 Office 5045 University of Southampton

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How to get aparcstats2table to output thickness and other parameters
by Salil Soman 04 Dec '13

04 Dec '13

Hi, Is there a way to get aparcstats2table to output all of the information for each subject, including thickness values? Thank you, Salil

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Re: [Freesurfer] Within group hemisphere comparison in QDec
by krista kelly 04 Dec '13

04 Dec '13

Great thanks Douglas! I'm glad that this is available, I wasn't too keen on using the 'flip the brain' method of looking for hemisphere asymmetries. Just a few questions regarding the first step - Apply an existing atlas (fsaverage_sym); this looks like a "for" loop, which I'm not great at figuring out. I would like to know how to actually do this. It seems like I would need to give it a list of all my subjects so that it can go through each subject separately without me having to run each participant separately. Is that correct? If so, and I have 40 participants, I'll need to leave the computer for a few days to do this. Is that correct? Lastly, how do I create the subject list? I tried just creating a list of my subjects using text mate and keeping it in the subjects folder, then using that in place of (subject list). This didn't work. Thanks again! On Sat, Nov 30, 2013 at 2:34 PM, Douglas Greve <greve(a)nmr.mgh.harvard.edu>wrote: > > yep, we have an existing stream complete with documentation and a > publication you can cite! > http://surfer.nmr.mgh.harvard.edu/fswiki/Xhemi > > > > On 11/30/13 12:59 PM, krista kelly wrote: > > Hello, > > I need to do a within group hemisphere comparison to see if there are > any hemisphere asymmetries in a patient group. I would like to do this in > QDec or if possible, somehow do it in freesurfer without using Qdec. I > asked this question two years ago and you mentioned that you were working > on this and it should be available soon. Has there been any progress? > > Thanks! > Krista > > > _______________________________________________ > Freesurfer mailing listFreesurfer@nmr.mgh.harvard.eduhttps://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > > _______________________________________________ > Freesurfer mailing list > Freesurfer(a)nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > The information in this e-mail is intended only for the person to whom it > is > addressed. If you believe this e-mail was sent to you in error and the > e-mail > contains patient information, please contact the Partners Compliance > HelpLine at > http://www.partners.org/complianceline . If the e-mail was sent to you in > error > but does not contain patient information, please contact the sender and > properly > dispose of the e-mail. > >

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manual edits boundary 2 screenshots example for 3T adult
by Kaiming Yin 04 Dec '13

04 Dec '13

Dear guys, I have a simple question in the manual edits parts. I am using freesurfer-Linux-centos6_x86_64-stable-pub-v5.3.0 with Ubuntu 13.10, for a trial on a 3T adult data, and I attached the data 2 screenshot common examples here, personally I am not sure if the wm boundary seems good or not. So I hope if you can help have a look and see if this data has any place need edits. And also usually, for a 3T data like this, how many edits will be approximately needed? I mean will it usually cost several corrections enough? Or 10s? 30s? or even more? Great thanks, Kaiming

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Fwd: Some problems of the brain image after recon-all
by Xiaojun.Huang 04 Dec '13

04 Dec '13

-------- 原始消息 -------- 主题: Some problems of the brain image after recon-all 日期: Tue, 03 Dec 2013 21:33:41 +0800 发件人: Xiaojun.Huang <lvdosha(a)gmail.com> 收件人: Freesurfer(a)nmr.mgh.harvard.edu Hi, I am processing the 3D PD patients brain now . After recon-all running, the segmentations of the GM and WM is not accurate although the original data is normal. additionally, when I use the TKSurfer Tools to review the 3D brain,it is reverse. (eg. PDSub_02 in the attach files) It is the first time for me to use Freesurfer.I'm sorry for the trouble I'm giving you.And looking forward your reply. Thanks, Xiaojun 2013.12.3

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Re: [Freesurfer] DTI - tracula - satisfactory cntrl pnts
by Jon Wieser 04 Dec '13

04 Dec '13

we install freesurfer 5.3 when we run trac-all -prep -c dmrirc the process ends with the error: tkreg2FSL: mov det = -64, ref det = 1 INFO: FSL2FreeSurfer: Ref volume is NIFTI with positive det, applying LR flip to registration matrix. Tue Dec 3 13:32:26 CST 2013 /BrainLabDocs/Studies/Nicotine_MJ_Ecstasy_Study/data/MRI/N1006/data flirt.fsl -ref /BrainLabDocs/Studies/Nicotine_MJ_Ecstasy_Study/data/MRI/N1006/data//freesurfer/dmri/xfms/tmp.bbregister.29768/fslregister/refvol.fslregister.nii -in /BrainLabDocs/Studies/Nicotine_MJ_Ecstasy_Study/data/MRI/N1006/data//freesurfer/dmri/xfms/tmp.bbregister.29768/fslregister/movvol.fslregister.nii -bins 256 -cost corratio -dof 6 -searchrx -90 90 -searchry -90 90 -searchrz -90 90 -verbose 0 -omat /BrainLabDocs/Studies/Nicotine_MJ_Ecstasy_Study/data/MRI/N1006/data//freesurfer/dmri/xfms/tmp.bbregister.29768/fslregister/fslmat0.trans.mat -schedule /usr/local/fsl/etc/flirtsch/xyztrans.sch -init /BrainLabDocs/Studies/Nicotine_MJ_Ecstasy_Study/data/MRI/N1006/data//freesurfer/dmri/xfms/tmp.bbregister.29768/reg.init.dat.fsl.mat0 flirt.fsl: Command not found. ERROR: flirt Darwin cerebrum.uwm.edu 10.8.0 Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386 i386 trac-preproc exited with ERRORS at Tue Dec 3 13:32:26 CST 2013 flirt.fsl is not in the $FREESURFER_HOME/bin directory Jon ----- Original Message ----- From: "Anastasia Yendiki" <ayendiki(a)nmr.mgh.harvard.edu> To: "Skyler Gabriel Shollenbarger" <shollen2(a)uwm.edu> Cc: freesurfer(a)nmr.mgh.harvard.edu Sent: Tuesday, December 3, 2013 1:19:55 AM Subject: Re: [Freesurfer] DTI - tracula - satisfactory cntrl pnts Hi Skyler - I would *highly* recommend using the version of tracula in 5.3, as there have been improvements in both performance and speed. You can check the DWI to anatomical registration by overlaying the aparc+aseg from the dlabel/diff directory (which is in diffusion space) on the FA map. Does that look ok? a.y On Mon, 2 Dec 2013, Skyler Gabriel Shollenbarger wrote: > Hi Anastasia, > > We're using 5.1. It's likely poor registration. The aparc+aseg. looked fine. Is there anything to do about poor registration? > > Thank you for the fast reply. Truly appreciated. > Skyler > > ----- Original Message ----- > From: "Anastasia Yendiki" <ayendiki(a)nmr.mgh.harvard.edu> > To: "Skyler Gabriel Shollenbarger" <shollen2(a)uwm.edu> > Cc: Freesurfer(a)nmr.mgh.harvard.edu > Sent: Monday, December 2, 2013 4:27:37 PM > Subject: Re: [Freesurfer] DTI - tracula - satisfactory cntrl pnts > > > Hi Skyler - Are you using freesurfer 5.1 or 5.3? > > Most likely this issue is due to poor registration, either from the > individual DWI to the individual T1, or from the individual T1 to the > template space. Or it could be that there is a problem with the > aparc+aseg. > > a.y > > On Mon, 2 Dec 2013, Skyler Gabriel Shollenbarger wrote: > >> Hi all, >> >> I've been running DTI using tracula (fs version 5) for over 1 week on 2 subjects. It appears that it is having difficulty finding satisfactory control point fit and has attempted over 1600 tries. Any help is greatly appreciated. >> See error below: >> >> INFO: Distances between consecutive points are 25 24 25 26 >> WARN: Could not find satisfactory control point fit - try 1665 >> Finding center streamline >> INFO: Step is 4 voxels >> WARN: Turning off FA check for center streamline >> INFO: Step is 4 voxels >> WARN: Turning off deviation check for center streamline >> INFO: Step is 4 voxels >> INFO: Length of center streamline is 96 voxels >> Selecting 5 points on center streamline >> INFO: Step is 4 voxels >> WARN: Defaulting to equidistant control points >> INFO: Selected control points are >> 108 193 84 >> 112 173 72 >> 98 153 75 >> 74 157 75 >> 74 184 86 >> INFO: Distances between consecutive points are 24 25 24 29 >> WARN: Could not find satisfactory control point fit - try 1666 >> Finding center streamline >> INFO: Step is 4 voxels >> WARN: Turning off FA check for center streamline >> INFO: Step is 4 voxels >> WARN: Turning off deviation check for center streamline >> INFO: Step is 4 voxels >> >> >> Best, >> Skyler >> >> > > > The information in this e-mail is intended only for the person to whom it is > addressed. If you believe this e-mail was sent to you in error and the e-mail > contains patient information, please contact the Partners Compliance HelpLine at > http://www.partners.org/complianceline . If the e-mail was sent to you in error > but does not contain patient information, please contact the sender and properly > dispose of the e-mail. > > > _______________________________________________ Freesurfer mailing list Freesurfer(a)nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.

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Freesurfer December 2013