Hi Pradeep

Doug is on vacation and is the best one to answer your question. If you
don't get a response in a week or 10 days can you repost?

thanks
Bruce
On Tue, 21 Jun
2016, Pradeep wrote:

> Hello Freesrufer Team, 
>
> I am trying to use the Partial volume correction procedure implemented in
> the freesurfer 6 beta version and have a few questions. 
>
> In your recent Neuroimaging paper, the left and right hemispheres were
> combined by taking the average of the two as they did not show any
> age-by-hemisphere interaction.
>
> I might have interpreted the Supplementary figure 1 incorrectly, but the
> Geometric transfer matrix seem to show around 52 ROI's, So were the L and R
> ROIs combined for the PVC results you reported in  that paper? Or were the
> same 52 used for the general PVC in the FS pipeline?
>
> Do you have any concrete results to examine the effects of the size
> variation over the ROIs used for PVC? Should a threshold be set for the
> sizes of these ROIs?
>
> How were the white matter hypo-intensities dealt with while generating the
> ROI masks? 
>
>
> Thanks,
> Pradeep 
>
>
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