Hi Doug, I wanted to follow up on this. Would you be able to provide a workaround for contrasting multiple taskregs against each other? Is there something I can try in the meantime? Thanks, Caspar
2014-11-10 13:54 GMT-05:00 Caspar M. Schwiedrzik <cschwie...@rockefeller.edu >: > Hi Doug, > thanks for your reply. I would like to feed the differences into a FFX > group analysis, so I think I will need to resort to your workaround. It > would be great if you could provide that. Thanks! Caspar > > 2014-11-10 13:45 GMT-05:00 Douglas N Greve <gr...@nmr.mgh.harvard.edu>: > > >> To get sig maps for an individual, this is problematic but I could >> probably come up with a work-around. For a group analysis, you can >> simply compute each taskreg separately, then subtract the two prior to >> running mri_glmfit. >> doug >> >> On 11/10/2014 01:36 PM, Caspar M. Schwiedrzik wrote: >> > Hi! >> > A quick follow-up: >> > I have a taskreg file with 6 continuous predictors. I would like to >> > run specific contrasts, e.g., predictor 1 vs. mean(predictor 2:6). >> > From what I gather, selxavg3-sess will run automatic contrasts on >> > taskregs, but the automatic contrasts are against baseline. This is >> > not what I need at this point. >> > mk-contrast-sess does not like what I am putting in because I do not >> > have a paradigm file in which condition numbers are specified. >> > Is there a way to compute specific contrasts between multiple >> > taskregs, and if not, is there a workaround? >> > Thank you very much, Caspar >> > >> > >> > 2014-11-06 15:23 GMT-05:00 Caspar M. Schwiedrzik >> > <cschwie...@rockefeller.edu <mailto:cschwie...@rockefeller.edu>>: >> > >> > Hi! >> > I have several external regressors in my analysis that I configure >> > with -taskreg in mkanalysis-sess (something like -notask -taskreg >> > nameoffile 6). >> > I was wondering how to set up mkcontrast-sess to contrast these >> > regerssors given that I do not have a paradigm file for them. >> > Can I just do something like -a 1 -c 2 -c 3 -c 4 -c 5? >> > >> > Thanks, Caspar >> > >> > >> > >> > >> > _______________________________________________ >> > 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. >> >> >
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