 |
 |
Thank you both so much for your responses. I appreciate the help. Rebecca On Tue, 21 Apr 2009 12:11:24 -0400, David V. Smith <[log in to unmask]> wrote: >Hi Rebecca, > >I would use Featquery on the subject.gfeat file. That should give you what >you want. > >David > > > >-----Original Message----- >From: FSL - FMRIB's Software Library [mailto:[log in to unmask]] On Behalf >Of Rebecca >Sent: Tuesday, April 21, 2009 12:02 PM >To: [log in to unmask] >Subject: [FSL] ROI on g.feat? > >Dear All, > >I would like some advice about performing an ROI on my data. I am looking >for >percentage signal change and just want to make sure I am using the correct >file. > >I have combined first level analyses using fixed effects to produce a g.feat >per >subject for the task. > >My question is which analysis do I perform the ROI on - the 2 first level >analysis (then get the mean of the two values) >OR >the g.feat analysis for each individual subject. In other words use the >g.feat >file as though it is a first level analysis. > >Any advice is greatly appreciated >Rebecca > >