Hi Bruce, Thanks for your answer! Yes. I would like to know the size of the cluster after painting on the surface.
Expecting Doug's reply! Thanks in advance! Karry On Mon, Sep 3, 2012 at 7:51 PM, Bruce Fischl <fis...@nmr.mgh.harvard.edu>wrote: > you mean the size of the cluster on the surface? Yes, you can do that, but > you'll need to wait for Doug's return for the details > > cheers > Bruce > > On Mon, 3 Sep 2012, keepmoon wrote: > > Hi Bruce, >> >> Thanks for your detailed explaination! >> I have one more question about it! >> Is it possible to get cluster size for being painted SPM results on >> freesure >> surface (like getting the cluster size of cortical thickness in QDEC )? Is >> there any command getting it? >> >> Any idea will be appreciated! >> Thanks! >> Karry >> >> >> >> On Mon, Sep 3, 2012 at 5:37 PM, Bruce Fischl <fis...@nmr.mgh.harvard.edu> >> wrote: >> Hi Karry >> >> painting is done by mri_vol2surf and you can use it to specify >> how you want the sampling to be done. We typically sample the >> volume halfway our from the gray/white boundary, or sometimes a >> bit lower to avoid vascular artifacts at the pial surface. That >> said, it is quite flexible and you can use it to sample however >> you wish (e.g. average over the bottom third of cortex, >> etc....). When we sample we don't inspect the value, just grab >> it from the volume and assign it to the surface so if there are >> significant cluster that aren't intersected by the sampling band >> you specify they will not appear on the surface. >> >> cheers >> Bruce >> >> On Sun, 2 Sep 2012, keepmoon wrote: >> >> Hello everyone, >> >> I just read the information about "paintig SPM >> results onto Freesurfer" >> >> (http://surfer.nmr.mgh.**harvard.edu/fswiki/SpmPainting<http://surfer.nmr.mgh.harvard.edu/fswiki/SpmPainting> >> **). >> It shows how to >> painting SPM results from statistic step (ex. >> spmT.img) to surface space. I >> tested the procedure and it worked. But I don't >> understand what is displayed >> on Freesurfer surface. Are all the significant >> differences from SPM >> statistic results are displayed on this surface? or >> some part of t values >> are displayed (which part)? As cortical thickness >> displayed on surface, each >> thickness value is painted on each vertex. But here >> t-value image from SPM >> is volume image, how to paint it on surface? >> >> Someone could give a little detailed explaination?? >> >> Thanks in advance >> >> Karry >> >> >> >> >> >> >> 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<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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