Hi,
On 30 Jun 2009, at 09:51, Chunming Lu wrote:
> Dear all,
>
> I am new for FSL, and have a few questions about the usage of
> melodic tool,
>
> 1. If I want to compare the resting state functional connectivity
> patterns between patient group and control groups, should I use the
> multi-session temporal concatenation method or the multi-session
> tensor-ICA? If my understanding is right, the choice should be the
> former.
Indeed - the former
> 2. Can the output of melodic tell me which connectivity is stronger
> in patient group than that of control group if I set the
> multisession/multisubject parameters in the post-stats tab?
No, it's not intended for that I'm afraid. See my email earlier today
about the dual-regression approach, which we will shortly be making
available.
Cheers.
> 3. If yes, can I say that the positive value / warm color indicates
> stronger connectivity in one group than that of another, and
> negative value / cold color indicates weaker connectivity?
>
> Thanks for any hints!
>
> Chunming
> State Key Labratory of Cognitive Neuroscience and Learning
> Beijing Normal University
> Beijing 100875, China
>
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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
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