Dear Anderson
Thank you very much for your reply.
It is very helpful to me.
Thank you again.
Best
Takuya Ishida
----- Original Message -----
> Hi Takuya,
>
> There is information about this in the dual_regression FAQ (link here
> <http://fsl.fmrib.ox.ac.uk/fsl/fslwiki/DualRegression>).
>
> I would not mask in general, and would not consider masking after
seeing
> the results, and would show the whole brain. Masking can be done if,
before
> doing any analysis, you wanted to constrain the search to some regions.
At
> this stage, having found significant results outside the main areas of
some
> RSNs, and without any other explanation, the best to do is simply
report
> them.
>
> All the best,
>
> Anderson
>
>
> On 10 November 2015 at 01:23, Takuya Ishida <[log in to unmask]
jp>
> wrote:
>
> > Dear FSL experts
> >
> > I am a beginner of the FSL, so this is a very elementary question.
> > I am performing ICA resting functional MRI analysis with FSL (
MELODIC).
> > And when I plot dual regression analysis results (two-group t-test
> > analysis) within some interested component (for example
corresponding to
> > the Default mode network component), there are regions with
significant
> > difference outside of the interested component region.
> >
> > When I perform such analysis, should I do permutation test on the
> > interested component mask ? Or should I perform permutation test on
the
> > whole brain and overlay only the significantly different regions
within the
> > interested component mask?
> >
> > Thank you very much.
> >
> > Takuya Ishida
> >
> >
> >
>
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