Hi,
Yes, this looks perfect.
Cheers.
On 11 Mar 2008, at 12:46, Anna Rieckmann wrote:
> Hello FSLers
>
> I wonder if someone could doublecheck my higher level design setup
> (esp. the
> orthogonalisations)
>
> I have two groups and one behavioral measure
>
> Design looks like this:
>
> Group EV1 EV2 EV3 EV4
> 1 1 0 6.5 0
> 1 1 0 0.6 0
> 1 1 0 3.4 0
> 1 1 0 9.0 0
> 1 1 0 13.8 0
> 1 1 0 14.1 0
> 1 1 0 7.2 0
> 1 1 0 6.2 0
> 1 1 0 6.5 0
> 1 1 0 7.1 0
> 1 1 0 7.4 0
> 1 1 0 7.3 0
> 2 0 1 0 9.0
> 2 0 1 0 8.1
> 2 0 1 0 6.0
> 2 0 1 0 2.1
> 2 0 1 0 1.6
> 2 0 1 0 -3.3
> 2 0 1 0 13.2
> 2 0 1 0 2.9
> 2 0 1 0 22.9
>
> and orthogonalisations EV3 wrt EV1 and EV4 wrt EV2
>
>
> If I have a contrast
>
> Behav(GroupA) > Behav(GroupB): EV3 = 1, EV4 = -1
>
> can I confidently conclude from the results that these are areas
> where group
> A shows a stronger positive correlation between BOLD signal (for the
> cope of
> interest) and the behavioral measure than group B ?
>
> Thank you very much !
>
> Anna
>
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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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