Hi,
You can check these pages for information about background and
implementation of the conjunction analysis:
http://www2.warwick.ac.uk/fac/sci/statistics/staff/academic-research/nichols/research/conjunctions
http://www2.warwick.ac.uk/fac/sci/statistics/staff/academic-research/nichols/scripts/fsl/easythresh_conj.sh
You also could look into this post:
https://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=FSL;e2754da.1105
good luck,
wolf
> Hello,
>
> We have an interaction effect showing a cluster that shows increased activation (relative to baseline(
> in condition A, and reduced activation (relative to baseline) in condition B.
>
> Referees are asking that we should provide evidence that the differences from baseline is significant in both
> condition A and B
>
> and that we should do this via a Conjunction analysis...would you please help
>
> 1) we guess this can be done at the highest level? or should we do it at the individual level first?
>
> 2) we feel that can be done via the contrast masking but we are unsure how to implement the conjunction analyses
>
> Thanks, David
|