Dear Abhineet,
the order of your TIV values should correspond to your selected files. You can either use TIV as nuisance parameter (preferred method) or as global scaling. Take a look at the CAT12 manual (p. 22) for that topic:
http://www.neuro.uni-jena.de/cat12/CAT12-Manual.pdf
Best,
Christian
On Tue, 17 Apr 2018 13:47:40 +0530, abhineet ojha <[log in to unmask]> wrote:
>Dear all,
>I am using VBM technique to find out the change in the gray matter of my
>subjects.
>I am following the steps described in VBM Tutorial by John Ashburner(March
>2015) showing Dartel approach for VBM.
>I am stuck in Statistics part: here in the basic model, I had chosen
>two-sample t-test.
>But in what order should enter my Total Intracranial Volume(TIV) in the
>global calculation part of the basic model.
>
>
>Abhineet Ojha
>
>Senior Research Fellow,
>
>NIMHANS <http://s.bl-1.com/h/cfBwyz3K?url=http://www.nimhans.ac.in/>,
>Bengaluru,
>Karnataka, India.
>
>M.Tech.(Cognitive and Neuroscience),
>
>University of Rajasthan, India
><http://s.bl-1.com/h/cfBwy3SM?url=http://www.uniraj.ac.in/cct/>
>
>skype id:[log in to unmask]
>
>Contact: +91-9928097724
>
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