aha - as well as the cope options in the Featquery GUI, we are just about
to add varcope as well, which is what you want. The new release in a week
or two will include this change.
Cheers.
On Mon, 30 Aug 2004, Zach Supalla wrote:
> On Sat, 28 Aug 2004 12:33:32 +0100, Stephen Smith <[log in to unmask]> wrote:
>
> >Hi - if you put in the region of interest as a mask in Featquery, then the
> >"mean" result for PE or COPE is probably what you want - i.e. if your
> >design was block (and your EV therefore of height 1) then this tells you
> >the mean "height" of the activation as a %BOLD signal change.
>
>
> yes, except I would like some measure of variance to go along with it, in
> order to better understand how significant the data is. Is there no way to
> get any sort of standard deviation from featquery?
>
Stephen M. Smith DPhil
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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