Hi - yes, your assumptions are right. What one might ideally like to do is
carry f-test output up to second level, but this is not trivial - for more
details see the recent posting at
http://www.jiscmail.ac.uk/cgi-bin/wa.exe?A2=ind0301&L=fsl&T=0&F=&S=&P=4411
Thanks, Steve.
On Wed, 29 Jan 2003, Teemu Rinne wrote:
> Hi,
>
> I'm using 3 FIR basis functions in a model with 4 EVs. I guess that the
> first level analysis should be done with 1 contrast/basis function (12) and
> that F-tests are used to combine the 3 contrasts/EV. How to set up a higher
> level analysis in this case in order to examine the average (over ss)
> activation separately for each EV?
>
>
> --
> Teemu Rinne
>
Stephen M. Smith MA DPhil CEng MIEE
Associate Director, FMRIB and Analysis Research Coordinator
Oxford University Centre for Functional MRI of the Brain
John Radcliffe 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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