It looks right. Make sure that you have specified "self" when you run mkanalysis-sess to make sure the analysis is on the subject's own anatomy where you have MT defined doug
On 04/20/2014 08:35 AM, Reza Rajimehr wrote: > Hi, > > For my dataset, it appears to be easier to do an ROI analysis in Matlab > (instead of using funcroi commands). I just want to make sure the > procedure described below is right: > > 1) I have a label/ROI on the right hemisphere surface of a subject (e.g. > MT from the motion localizer). I convert it to a mask file > (MT.mask.nii.gz). I load it to Matlab using MRIread. > > In an fMRI experiment, I have 3 conditions. For the right hemisphere > vertices of the subject, I compute cespct.nii.gz for the contrasts of each > condition vs. baseline (1_vs_0 , 2_vs_0 , 3_vs_0). Then I load the three > cespct files to Matlab using MRIread. > > 3) For the vertices that are 1 in the MT.mask.nii.gz, I calculate the > averaged cespct across those vertices, in each contrast. So I will have % > signal change values for the three conditions. > > 4) I repeat this for all subjects and do statistics across subjects. > > Any comments? > > Reza > _______________________________________________ > 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.
