Hi Anastasia:

Yes I generated the left CST on a single subject using the Freeview -tv option. But my boss wanted to know if it was possible to do a voxelwise group analysis and show mean differences on a single inflated brain.

thanks,

Alan


On Fri, Sep 13, 2013 at 11:43 AM, Anastasia Yendiki <ayendiki@nmr.mgh.harvard.edu> wrote:

I see, then it's an ROI analysis, where the tract is the ROI. Isn't it sufficient for you to visualize the tracts in an example subject with the -tv option in freeview? What would you like to do beyond that?


On Fri, 13 Sep 2013, Alan Francis wrote:

Hi Anastasia:

I am looking at Average AD in these tracts.

thanks,

Alan


On Fri, Sep 13, 2013 at 11:37 AM, Anastasia Yendiki
<ayendiki@nmr.mgh.harvard.edu> wrote:

      Hi Alan - Are you looking at average AD over the whole tract, or
      AD along the tract?

      a.y

      On Fri, 13 Sep 2013, Alan Francis wrote:

            Hi Anastasia:

            Thanks for your quick reply. We would like to look
            at the left and right
            Cortico-spinal tract AD between the groups. Also
            left and right ATR AD if
            possible.

            thanks again,

            Alan


            On Fri, Sep 13, 2013 at 10:53 AM, Anastasia Yendiki
            <ayendiki@nmr.mgh.harvard.edu> wrote:

                  Hi Alan - Glad to hear that you have an
            interesting finding! Can
                  you describe what type of thing you want to
            visualize a bit
                  more? If it's not on the surface, freeview
            will more likely do
                  the trick rather than qdec.

                  a.y

                  On Fri, 13 Sep 2013, Alan Francis wrote:

                        Hi Anastasia and FreeSurfers:

                        Is it possible to model Tracula data on
            Qdec? I have
                        some interesting
                        findings in FA and AD between two groups
            that I am
                        hoping to visually
                        represent on a single brain.

                        Any advice would be deeply appreciated.

                        thank you,

                        Alan




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