percent relative to what? FEAT will automatically rescale to 10000 (or something like that) doug
On 03/25/2014 05:51 PM, Manuel Spitschan wrote: > Dear FreeSurfer experts, > > I've performed a few first-level analyses of BOLD data with FSL, and have > followed the instructions on the FS Wiki > (http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/FslGroupFeat) to sample > the COPEs of each run to a common surface (fsaverage) and run a fixed-effects > analyses using 'mri_glmfit' across the runs. > > The resulting gamma.mgh contains the COPEs per vertex across the runs. How > would I find out the appropriate scaling factor and the baseline image to > calculate percent signal change per vertex following these analysis steps? > > Any help would be appreciated. > > Thanks in advance, > > Manuel Spitschan > _______________________________________________ > 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.
