Ah, I see. But what do the 27307 rows represent and why are there 6 values per row?
Thanks, Afsana ______________________________ Afsana Afzal Clinical Research Coordinator Massachusetts General Hospital Division of Neurotherapeutics Department of Psychiatry: Neurosciences 149 13th St, Room 2612 Charlestown, MA 02129 Phone: 617-643-5129 Fax: 617-726-4078 ________________________________________ From: freesurfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Douglas N Greve [gr...@nmr.mgh.harvard.edu] Sent: Tuesday, November 03, 2015 1:31 PM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Extracing values from ces.nii It should be interpreted as a 2D structure of size 27307*6 = 163842 which are the number of vertices in fsaverage On 10/29/2015 11:41 AM, Afzal, Afsana wrote: > Hi, > > I'm trying to extract the contrast values from ces.nii.gz after > first-level analysis. My goal is to average the contrast values for > each voxel across subjects for a given condition and see where an > individual from a separate population falls within the distribution of > contrast values. > > The ces.nii file I'm working with has the following dimension: (27307, > 1, 6, 1), which I interpreted as containing information about 27307 > voxels in a 3D matrix. What does the information in the 6 rows for > each voxel represent? I was expecting to get a single raw b-value for > each voxel. The structure is consistent with sig.nii and t.nii files > as well. > > Thanks for any help, > > Afsana > ______________________________ > *Afsana Afzal* > Clinical Research Coordinator > Massachusetts General Hospital > Division of Neurotherapeutics > Department of Psychiatry: Neurosciences > 149 13th St, Room 2612 > Charlestown, MA 02129 > Phone: 617-643-5129 > Fax: 617-726-4078 > > > _______________________________________________ > 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 _______________________________________________ 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.
