Hi Konrad if you read Rebecca Shafee's recent paper:
http://www.ncbi.nlm.nih.gov/pubmed/25449739 you can see what we do about this kind of thing. The stream is largely undocumented but you are welcome to try it out if you like. cheers Bruce On Mon, 27 Apr 2015, K. Wagstyl wrote: > Hi, > > Is there a way to address or account the effects of partial voluming > when sampling grey matter intensity (mri_vol2surf)? > > In particular, where there is cortical thinning, I'm also finding > intensity changes that could either be due to changes in the amount of > partial voluming or a change in the grey matter tissue contrast. Is > there any way to disambiguate the two? > > The commands I'm using are: > bbregister --s "$s" --mov "$s" --mov "$s"/mri/brainmask.mgz --reg > "$s"/mri/transforms/Identity.dat --init-fsl --t1 > > mri_vol2surf --src "$s"/mri/brainmask.mgz --out > "$s"/surf/"$h".T1_intensity.mgh --srcreg > "$s"/mri/transforms/Identity.dat --hemi "$h" --projfrac 0.2 > > Thanks, > > Konrad > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > _______________________________________________ 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.
