[Freesurfer] ROI from left to right hemi - cortical thickness
Dear all, I have a ROI on the left hemisphere and I'd like to extract cortical thickness values from the homologous region in the right hemisphere. For this I applied the interhemispheric registration process and got my ROI mapped into the right hemisphere in /subject/xhemi/label. However when I tried to run mris_anatomical_stats on /subject/xhemi it failed, as there is no wm.mgz file in /subject/xhemi/mri. Any suggestion would be greatly appreciated. Thank you, Irene -- Irene Altarelli Laboratoire de Sciences Cognitives et Psycholinguistique Ecole Normale Supérieure 29, rue d'Ulm 75230 Paris Cedex 05 tel. +33 (0)1 44 32 26 23 ___ Freesurfer mailing list Freesurfer@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] mris_divide_parcellation
Dear all, I'm using mris_divide_parcellation to subdivide cortical regions into smaller regions and I've some questions about such process. I would like to transform my new annot file to labelled surface and labelled cortical volume. For the former, there's a 'simple' way to transform annot file to surface? I only found utilities that tranform label2surf.. For the latter, I think that I need to use mris_annot_to_segmentation, however I need a colortable associated with my annot file. So my question is how can I generate a colortable from mris_divide_parcellation output. I would be really greatful for any insights about these. Thanks. -- Arnaud Messé, PhD Laboratoire d'imagerie fonctionnelle (LIF) UMRS 678 Inserm/UPMC CHU Pitié-Salpêtrière 91 boulevard de l'Hôpital F-75634 Paris Cedex 13 +33(0)1538284 03 (fax: 48) arnaud.me...@imed.jussieu.fr http://www.imed.jussieu.fr ___ Freesurfer mailing list Freesurfer@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] Using SPM transformation matrices as initial guess in talairach_avi
Hello, since I experienced a high rate of registration errors using talairach_avi in the conventional recon-all processing stream (more than 50% misregistration), I would like to incorporate SPM affine registration parameters (as provided in the seg_inv_sn.mat file obtained from the segmentation routine) as initial guess to help talairach-avi. Is there a possibility to do this? How do I have to adjust the transformation matrix that it can be handled by freesurfer? I also tried to circumvent the registration-problem using skull-stripped images, which unfortunately also did not improve the results (I think a template made from skull-stripped images has to be used in that case) Any help would be much appreciated Regards, Simon ___ Freesurfer mailing list Freesurfer@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] Brainhack 2012
Dear colleagues, I wanted to draw your attention on the upcoming 2012 Brainhack, 1st edition, to be held from September 1-4 at the Max Plank Institute for Human Cognitive and Brain Sciences, Leipzig, Germany. Brainhack is not a conference or a workshop. It should be closer to one of those exciting conversations you may have had at HBM during cocktail or poster sessions. Except that we will have over three days to build up those conversations into full-fledge collaborations. One should come to brainhack ready to engage into collaborative projects, and with some material (slides, ideas, data, tools) ready to start a project or a discussion panel. Brainhack will build on the successful techniques used in other unconferenceshttp://en.wikipedia.org/wiki/Unconference to keep the meeting focussed and productive. It is possible to start a project and build a team as early as today. Please have a look at the website for informations on the conference and a sample of projects (more will be added over the summer): http://brainhack.org/2012/04/06/brainhack-2012-unconference/ The list of confirmed attendees includes F. Xavier Castellanos, Michael Hanke, Michael P. Milham, Tal Yarkoni, Arno Villringer, and many members of the neurobureau http://www.neurobureau.org/NeuroBureau/Welcome.html. Brainhack is a satellite of the resting-state connectivity conferencehttp://www.restingstate.com/. Although many participants will have an interest in connectivity analysis, there will also be attendees coming from a variety of backgrounds within neuroscience. Registration is now opened: http://www.cbs.mpg.de/events/workshops/brainhack Please do not hesitate to share this invitation with your circles. Best Regards, Donald McLaren = D.G. McLaren, Ph.D. Research Fellow, Department of Neurology, Massachusetts General Hospital and Harvard Medical School Postdoctoral Research Fellow, GRECC, Bedford VA Website: http://www.martinos.org/~mclaren Office: (773) 406-2464 = This e-mail contains CONFIDENTIAL INFORMATION which may contain PROTECTED HEALTHCARE INFORMATION and may also be LEGALLY PRIVILEGED and which is intended only for the use of the individual or entity named above. If the reader of the e-mail is not the intended recipient or the employee or agent responsible for delivering it to the intended recipient, you are hereby notified that you are in possession of confidential and privileged information. Any unauthorized use, disclosure, copying or the taking of any action in reliance on the contents of this information is strictly prohibited and may be unlawful. If you have received this e-mail unintentionally, please immediately notify the sender via telephone at (773) 406-2464 or email. ___ Freesurfer mailing list Freesurfer@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.
Re: [Freesurfer] wm problems
Hi Nicole what version are you running? It's hard to diagnose from just the images. In general, if the surface doesn't follow the wm.mgz it means there was a topological defect that was corrected in that region. You can find it and fix it be editing the wm. If you can't find it, upload it and send us the coords you are looking at and we'll find it and show you. cheers Bruce On Mon, 9 Jul 2012, Nicole Senecal wrote: Hi all, I've been having two variants of problems with wm.mgz, using version5.1. One can be seen in the attached screenshot FI137 - areas that are not white matter are designated as white matter hypointensities on wm.mgz, and create problems with both surfaces. This has happened in a number of our subjects, in multiple locations throughout each brain. Is this something we just need to delete manually on each subject, or is there a more efficient way to deal with this? The second is seen in the screenshots of MP860 wm. An area that is not white matter, and is not designated as white matter on wm.mgz, is still created as a white matter surface. This hasn't happened as often as the above, but we don't know how to get rid of an inaccurate wm surface if it's not on wm.mgz. Thanks for your help, Nicole -- Nicole Senecal Neuroscience Graduate Group Kable Lab 3720 Walnut St., Room C37 Philadelphia, PA 19104 Lab phone: 215-746-4371 ___ Freesurfer mailing list Freesurfer@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.
Re: [Freesurfer] wm problems
Hi Bruce, It's version 5.1. Thanks for the suggestion about the second problem (surface not following wm). For the white matter hypointensity problem (surface follows wm volume, but wm is incorrect; this occurs in several places on multiple subjects), will we just have to delete this manually from wm.mgz in every case? I can upload a recon with the problem if this would help. thanks, Nicole On Mon, Jul 9, 2012 at 1:39 PM, Bruce Fischl fis...@nmr.mgh.harvard.eduwrote: Hi Nicole what version are you running? It's hard to diagnose from just the images. In general, if the surface doesn't follow the wm.mgz it means there was a topological defect that was corrected in that region. You can find it and fix it be editing the wm. If you can't find it, upload it and send us the coords you are looking at and we'll find it and show you. cheers Bruce On Mon, 9 Jul 2012, Nicole Senecal wrote: Hi all, I've been having two variants of problems with wm.mgz, using version5.1. One can be seen in the attached screenshot FI137 - areas that are not white matter are designated as white matter hypointensities on wm.mgz, and create problems with both surfaces. This has happened in a number of our subjects, in multiple locations throughout each brain. Is this something we just need to delete manually on each subject, or is there a more efficient way to deal with this? The second is seen in the screenshots of MP860 wm. An area that is not white matter, and is not designated as white matter on wm.mgz, is still created as a white matter surface. This hasn't happened as often as the above, but we don't know how to get rid of an inaccurate wm surface if it's not on wm.mgz. Thanks for your help, Nicole -- Nicole Senecal Neuroscience Graduate Group Kable Lab 3720 Walnut St., Room C37 Philadelphia, PA 19104 Lab phone: 215-746-4371 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/**compliancelinehttp://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. -- Nicole Senecal Neuroscience Graduate Group Kable Lab 3720 Walnut St., Room C37 Philadelphia, PA 19104 Lab phone: 215-746-4371 ___ Freesurfer mailing list Freesurfer@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.
Re: [Freesurfer] Using SPM transformation matrices as initial guess in talairach_avi
Hi Simon what version are you using? Avi Snyder (ccd) has been tracking down some interactions between his talairach code and our intensity normalization that seem to have made it more fragilie, particularly in 5.1. He has some suggested fixes that may improve things for you. cheers Bruce On Mon, 9 Jul 2012, Baudrexel, Simon wrote: Hello, since I experienced a high rate of registration errors using talairach_avi in the conventional recon-all processing stream (more than 50% misregistration), I would like to incorporate SPM affine registration parameters (as provided in the seg_inv_sn.mat file obtained from the segmentation routine) as initial guess to help talairach-avi. Is there a possibility to do this? How do I have to adjust the transformation matrix that it can be handled by freesurfer? I also tried to circumvent the registration-problem using skull-stripped images, which unfortunately also did not improve the results (I think a template made from skull-stripped images has to be used in that case) Any help would be much appreciated Regards, Simon ___ Freesurfer mailing list Freesurfer@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.
Re: [Freesurfer] nu_correct problem
I believe this post slipped through the cracks. Anyone have any thoughts on this nu_correct error. Some subjects ran fine, so it seems to be an intermittent problem and not an installation problem. Also, is this possibly related to the avi_talairach/intensity normalization issues being discussed in another post? Chris Bell University of Minnesota On Thu, May 31, 2012 at 12:13 PM, rega0...@umn.edu wrote: Hello, I am trying to run recon-all using freesurfer 5.1.0. This worked on most of my subjects, but for about 10 subjects, I got an error: nu_correct: Command not found I can see on the archive that several others have run into this problem, but I couldn't figure out from the archives what the solution is. I do have perl installed in usr/bin. Thanks very much, Katie -- Kathryn R. Cullen, M.D. Assistant Professor University of Minnesota Medical School Department of Psychiatry Division of Child and Adolescent Psychiatry (612) 273-9825 ___ Freesurfer mailing list Freesurfer@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@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] multiple correction
Hi, freesurfer expert, I have three questions about the multiple correction. I performed the statistical analysis between two groups first in left hemisphere, and got some regions which showed different. 1) so if I then do multiple correction, i don't need to run the mri_glmfit-sim command, and just press the button of the monte carlo null-z simulation in the qdec interface, am i right? 2) Whether mri_glmfit-sim --cache command line and the mc-z in qdec get the same results, or not? and as to the option --cwpvalthresh, should i choose 0.05 or 0.025? 3) And what is the difference between fdr and mc-z correction? Thanks, Meng ___ Freesurfer mailing list Freesurfer@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.
