Hi,
On 31 Mar 2008, at 13:15, Atsushi Kawaguchi wrote:
> We have four options for group analysis in FEAT;
> 1. Fixed effects
This is using the same framework as option 3 but with the RE component
set to zero - see the FEAT manual for a little more description.
> 2. Mixed effects: Simple OLS
Just straight ME OLS with no explicit separate modelling of FE variance.
> 3. Mixed effects: FLAME 1
> 4. Mixed effects: FLAME 1+2
These are the two options described in detail in
M.W. Woolrich, T.E.J. Behrens, C.F. Beckmann, M. Jenkinson, and S.M.
Smith.
Multi-level linear modelling for FMRI group analysis using Bayesian
inference.
NeuroImage, 21(4):1732-1747, 2004.
Cheers, Steve.
> I would like to know each mathematical details and exact
> correspondence (which one corresponds which option). I
> would be most grateful if you could tell me the good
> reference and the correspondence.
>
> Best regards
> Atsushi Kawaguchi
>
>
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>
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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)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
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