Freesurfer

freesurfer@nmr.mgh.harvard.edu

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30093 discussions

CUDA in FS6?
by Chris Adamson 03 Feb '17

03 Feb '17

Freesurfer devs, Are the CUDA binaries still being developed in FS6? Are they compatible with the CPU only versions? I remember asking questions about this a while ago and apparently the cuda binaries were no longer being developed in favour of openmp. Thanks in advance, Dr Chris Adamson Research Officer, Developmental Imaging, Murdoch Childrens Research Institute Murdoch Childrens Research Institute Royal Children’s Hospital Flemington Road, Parkville, Victoria 3052, Australia www.mcri.edu.au<http://www.mcri.edu.au/> E chris.adamson(a)mcri.edu.au T 03 9936 6780 ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please visit http://www.symanteccloud.com ______________________________________________________________________

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Surface based analysis for hippocampus subfield thickness
by Dev vasu 03 Feb '17

03 Feb '17

Dear all, Is there any approach that you recommend to quantify that changes in cortical thickness in hippo campus sub fields , how could i perform Surface based cortical thickness changes using freesurfer. Thanks Vasudev

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license file not working
by Anthony Dick 03 Feb '17

03 Feb '17

Hello, I have been using Freesurfer for a number of years, and just installed v6.0. I run into this problem: -------------------------------------------------------------------------- ERROR: Invalid FreeSurfer license key found in license file /Applications/freesurfer/.license If you are outside the NMR-Martinos Center, go to http://surfer.nmr.mgh.harvard.edu/registration.html to get a valid license file (it's free). If you are inside the NMR-Martinos Center, make sure to source the standard environment. -------------------------------------------------------------------------- I have a valid .license file, in the Freesurfer home directory Last login: Thu Feb 2 15:04:01 on ttys005 -------- freesurfer-Darwin-OSX-stable-pub-v6.0.0-2beb96c -------- Setting up environment for FreeSurfer/FS-FAST (and FSL) FREESURFER_HOME /Applications/freesurfer FSFAST_HOME /Applications/freesurfer/fsfast FSF_OUTPUT_FORMAT nii.gz SUBJECTS_DIR /Applications/freesurfer/subjects MNI_DIR /Applications/freesurfer/mni [38c9862eb0b0:~] adick% cd /Applications/freesurfer [38c9862eb0b0:/Applications/freesurfer] adick% ls -al .license -rw-r--r-- 1 root wheel 140 Feb 2 15:06 .license [38c9862eb0b0:/Applications/freesurfer] adick% Any ideas? Thanks! Anthony -- Anthony Steven Dick, Ph.D. Associate Professor Director, Cognitive Neuroscience Program and Graduate Certificate in Cognitive Neuroscience Department of Psychology Florida International University Modesto A. Maidique Campus AHC4 454 11200 S.W. 8th Street Miami, FL 33199 Ph: 305-348-4202; Lab Ph: 305-348-9055; Fx: 305-348-3879 Email: adick(a)fiu.edu Webpage: http://myweb.fiu.edu/adick Join the Society for the Study of Human Development: http://www.sshdonline.org

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Kind Request - Trouble with FreeSurfer LICENSE file
by Abhinav Kurada 03 Feb '17

03 Feb '17

To Whom It May Concern: I am currently unable to successfuly register my copy of FreeSurfer with the license keys I received. Although I found a LICENSE file in the FreeSurfer program directory after successfully installing the program, I could not find the CUT Here lines as well as the location of placing the text emailed to me. Could you please assist me in helping register my copy of FreeSurfer? Thank you in advance. Sincerely, Abhinav Kurada Columbia University

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Re: [Freesurfer] Multiple comparison question
by neuroimage analyst 03 Feb '17

03 Feb '17

Thanks, Anderson. If there are several other measures such as volume, thickness, FA, can I then put them in a single csv file and run the command or I have to create 3 csv files, one each for volume, thickness,and FA and also invoke -corrmod? Thanks Regards VM On Feb 2, 2017 1:01 AM, "Anderson M. Winkler" <winkler(a)fmrib.ox.ac.uk> wrote: Hi VM, Please see below: On 1 February 2017 at 02:38, neuroimage analyst < neuroimage.analyst(a)gmail.com> wrote: > Hi, > > We extracted volume measures from 7 ROIs in 2 groups and compared > a) Mean of each ROI volume between group, and compared independently such > as > i) whether mean of ROI 1 in group 1 is equal to mean of ROI1 in group 2 > ii)whether mean of ROI 2 in group 1 is equal to mean of ROI2 in group 2 > and so on > This means 7 comparisons, or 14 if you test both directions (tails) separately. > > b) Plotted the mean ROI volume for 2 independent measures and compared > whether the slope between and within group is significantly different. such > as > i) Slope of ROI1 is positively associated with MoCA , age (grp1) ? > ii) Slope of ROI1 is negatively associated with MoCA, age (grp2) ? > iii) Slope of ROI1 vs MoCA (grp1) is significantly different than slope of > ROI1 vs MoCA (grp2) ? > iv) Slope of ROI1 vs MoCA (grp2) is significantly different than slope of > ROI2 vs MoCA (grp2) ? > These sound tests for main effects and interaction, with various combinations possible. > > Q1) Do we have to perform multiple comparisons for (a) and (b)? > Yes. > Q2) If yes, do we correct across 7 measurements for (a) and 2 measurements > for (b) or 7 measurements for both (a) and (b)? > You could put the values for the 7 ROIs in a table in .csv format, with one column per ROI and one row per subject. This would be the input data. Create a design matrix as: EV1: 0 or 1 coding for group 1 EV2: 0 or 1 coding for group 2 EV3: MoCA group 1 EV4: MoCA group 2 EV5: Age group 1 EV6: Age group 2 etc Then define a set of contrasts such as: C1: [1 -1 0 0 0 0 ...] - This tests if mean for group 1 > mean for group 2 C2: [-1 1 0 0 0 0 ...] - This tests if mean for group 1 < mean for group 2 C3: [0 0 1 -1 0 0 ...] - This tests if the slope for MoCA for group 1 > slope for MoCA for group 2 C4: [0 0 -1 1 0 0 ...] - This tests if the slope for MoCA for group 1 < slope for MoCA for group 2 C5: [0 0 1 0 0 0 ...] - This tests if slope for MoCA for group 1 > 0 C6: [0 0 -1 0 0 0 ...] - This tests if slope for MoCA for group 1 < 0 etc You'd run this analysis in PALM with something as: *palm -i input.csv -d design.mat -t design.con -corrcon -o myresults -logp* Hope this helps! All the best, Anderson > There is evidence to both performing and nonperforming multiple > comparisons In the literature. > > Any response (hopefully pointing to a literature) will be greatly > appreciated. > > Thanks > > Regards > > --VM > > _______________________________________________ > 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. > > _______________________________________________ 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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how to export cortical thickness in to .txt
by shi yao wang 03 Feb '17

03 Feb '17

Dear Fs experts: I would like to use mris_anatomical_stats to calculate 35 cortical regions thickness. I am using following command: mris_anatomical_stats -a subjid/label/lh.aparc.annot -b subjid lh

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Re: [Freesurfer] Simple question regarding -T2 and -FLAIR flags (freesurfer v6) {Disarmed}
by Joe Necus (PGR) 03 Feb '17

03 Feb '17

Thanks for the quick reply. I'll re-run my subjects with the -FLAIR flag. Joe ________________________________ From: freesurfer-bounces(a)nmr.mgh.harvard.edu <freesurfer-bounces(a)nmr.mgh.harvard.edu> on behalf of Bruce Fischl <fischl(a)nmr.mgh.harvard.edu> Sent: 02 February 2017 22:56 To: Freesurfer support list Subject: Re: [Freesurfer] Simple question regarding -T2 and -FLAIR flags (freesurfer v6) Hi Joe there are slight differences, and for sure we reserve the right to use the knowledge that it is a FLAIR scan in the algorithms, so you should probably rerun cheers Bruce On Thu, 2 Feb 2017, Joe Necus (PGR) wrote: > > Hello, > > > I am running recon-all on the latest version of freesurfer (Version 6) and would like to know whether > there is any difference between using the -T2 -T2Pial and -Flair flags. > > > I am currently running recon-all with a T1 and FLAIR image, but have used the -T2 -T2pial flags and > would like to know whether I need to go back and instead re-run with the -FLAIR flag instead. > > > Thanks a lot, > > Joe > > > > > _______________________________________________ Freesurfer mailing list Freesurfer(a)nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer Freesurfer Info Page - Harvard University<https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer> mail.nmr.mgh.harvard.edu To see the collection of prior postings to the list, visit the Freesurfer Archives. A searchable archive which of messages PRIOR to March 2004 is at ... 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 mycompliancereport.com<http://www.partners.org/complianceline> www.partners.org ComplianceLine engages in the business of providing 24-hour toll-free hotlines for the reporting and tracking of compliance concerns to assist in the identification of possible unethical, illegal or questionable behavior. but does not contain patient information, please contact the sender and properly dispose of the e-mail.

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Command for Reverse Normalizing with mri_vol2vol Using CVS m3z Morphs
by Douglas Merkitch 03 Feb '17

03 Feb '17

Hello Freesurfer experts, >From your wiki page, I understand how to normalize volumes in subject diffusion space to the CVS template: mri_vol2vol --targ $FREESURFER_HOME/subjects/cvs_avg35/mri/norm.mgz \ --m3z $SUBJECTS_DIR/$subj/cvs/combined_tocvs_avg35_elreg_afteraseg-norm.m3z \ --noDefM3zPath --reg $TUTORIAL_DIR/$subj/dtrecon/register.dat \ --mov fa-masked.mgz \ --o fa-masked.ANAT+CVS-to-avg35.mgz \ --interp trilin --no-save-reg However, how would one take take a volume in CVS template space and reverse normalize it back to subject diffusion space? Is this possible? If so, what would that command look like and what other steps would be necessary to get the required inputs? Thanks, Doug Douglas Merkitch Neurological Sciences Rush University Medical Center Email: Douglas_Merkitch(a)rush.edu<mailto:Douglas_Merkitch@rush.edu>

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Contrast percent map
by Seung-Goo KIM 03 Feb '17

03 Feb '17

Hi Doug, Thank you so much for clarification. Probably there is an issue with the mailing list, I only received the digest list, and now I saw your reply. In fact, I found it by myself while looking through fast_selxavg3.m: the baseline being defined by the overall offset. and yes, I was thinking something else.. because contrast=(baseline+contrast)-baseline, so it’s just contrast/offset*100 Thanks! -SG > From: Douglas Greve <greve(a)nmr.mgh.harvard.edu <mailto:greve@nmr.mgh.harvard.edu>> > Subject: Re: [Freesurfer] [FSFAST] Contrast percent map > Date: 1 February 2017 at 17:38:35 GMT+1 > To: freesurfer(a)nmr.mgh.harvard.edu <mailto:freesurfer@nmr.mgh.harvard.edu> > > > you have the right idea, but it is > > cespct = 100*contrast/baseline > > The baseline is the mean offset of the fMRI, the contrast is the deviation from baseline > > > On 2/1/17 4:49 AM, Seung-Goo KIM wrote: >> Dear all, >> >> I wish to know how “cespct.nii.gz” is computed in selxavg3-sess. I thought it computes something like a relative change like: >> >> cespct = (contrast-baseline)/baseline*100, >> >> but I cannot figure out what was taken for the baseline. I thought it could be mean beta for constant terms (0-th polynomial) for each run, but my calculation was different from cespct. >> >> I would take average intensity for each voxel I would greatly appreciate a detailed explanation how the program computes it. >> >> Best regards, >> -- >> Seung-Goo KIM -- Seung-Goo KIM

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How to check recon-all finished without any error
by shi yao wang 03 Feb '17

03 Feb '17

Dear FS experts: How to check recon-all finished without any error? Sometime, there are showing no error message, however, when I running hippocampus subfield, it does not run. thanks Lawrence Emory

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