Hi,
On 3 Oct 2007, at 17:48, Benny Liberg wrote:
> Hi,
>
> I have a rather simple question. However, I can't seem to figure
> out the answer myself, in
> fslmeants or tsplot. I have an experiment with three conditions (A,
> B, C). I have run a higher-level
> single group analysis (n=12), and have created an inclusive mask
> that contain commonly activated
> vxls in A, B and C. Now I want to investigate the kinetics of the
> signal (on group level and subject
> level) in this mask.
>
> 1. How do I extract the timeseries data within my mask from each
> condition on group level?
Use the gorup-level standard space mask as the mask input to running
Featquery on _all_ of the first-level analyses (you can setup
multiple analyses in one go in the GUI if they all take the same
input mask).
> 2. How can I transform my mask in MNI152-space back to native/first-
> level (I noticed that
> Featquery does this if you apply an atlas-mask when running it on
> first-level data)?
You don't need to, Featquery will do this for you automatically.
Steve.
>
> Any help is much appreciated. Thanks.
>
> Kind regards,
> Benny
------------------------------------------------------------------------
---
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
------------------------------------------------------------------------
---
|