Hi Daniel, you can do it manually in tksurfer - click on a point in the roi and create a label filling above the statistical threshold. Or do you want a label for every active region? You could do that in matlab I guess, or maybe Doug has something.
cheers, Bruce On Thu, 8 Jul 2004, Daniel Goldenholz wrote: > > The problem: I have some areas in MEG I would like to track as "ROI"s. > To do this, I need labels for those areas which are active clusters. In > MEG, I can convert an activity map into a .w file, which is the > "paint" format used for overlays in tksurfer. > > So the new problem: I have a .w file, which contains clusters of areas > which are above a threshold value. I want label files for each cluster. > > mri_surfcluster, which seems similar to what I need, does not output > labels, or anything like it, so far as I can tell. > > Does a method exist, or should I invent one? > > > (an example of this would be: do a vision experiment in MEG. primary > visual areas will be active, so a blob shows up over there in MEG. If I > want to see the behavior of that blob vs. time, I need a label. I am > hoping there exists a way to send the image of the blob (or blobs) from > MEG to surfer as .w files, and then figure out automatically where > clusters (blobs) appear, and then create a label file for each one) > > Daniel Goldenholz > ----------------------------------------------------- > Cell: 617-935-9421 http://people.bu.edu/danielg/ > > _______________________________________________ > Freesurfer mailing list > [EMAIL PROTECTED] > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > _______________________________________________ Freesurfer mailing list [EMAIL PROTECTED] https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
