what is your mri_glmfit command line?
On 07/12/2017 02:32 PM, Bruss, Joel E wrote: > I have a group of subjects, scans at time1 and time2 that have been > run through the longitudinal stream. I have a group of ROIs in MNI > space that I've been able to push up to fsaverage following the > VolumeRoiCorticalThickness tutorial: > > https://surfer.nmr.mgh.harvard.edu/fswiki/VolumeRoiCorticalThickness > > Further, I've used mri_surf2surf to push the mgh file to each subject. > > I'm using mri_segstats to pull out mean thickness and a few other > variables. If I load the mgh into tksurfer and create a label by hand > (~99% the same), I can use mris_anatomical_stats which will also > output surface area. I can also use the label with mri_segstats > (--slabel) to calculate the thickness, etc. and those values match the > ones from mris_anatomical_stats. > > Based on the input (mgh or label), I get either voxels or vertices. > While not exactly the same and possibly due to creating the label by > hand, the numbers are very close. However, the volume reported > (GrayVol for mris_anatomical_stats, Volume_mm3 for mri_segstats) are > really different between the two methods. In checking a few subjects, > the volume reported for mris_anatomical_stats is usually 2-3 times > larger than mri_segstats. Why is this? Which volume is correct? Is > there a way to make one program calculate a volume more in line with > the other? Less important, is there a way to force mri_segstats to > output surface area? > > Thank you for taking the time to read this > > -Joel > > > ------------------------------------------------------------------------ > Notice: This UI Health Care e-mail (including attachments) is covered > by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521 and > is intended only for the use of the individual or entity to which it > is addressed, and may contain information that is privileged, > confidential, and exempt from disclosure under applicable law. If you > are not the intended recipient, any dissemination, distribution or > copying of this communication is strictly prohibited. If you have > received this communication in error, please notify the sender > immediately and delete or destroy all copies of the original message > and attachments thereto. Email sent to or from UI Health Care may be > retained as required by law or regulation. Thank you. > ------------------------------------------------------------------------ > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@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@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.
