Hi, yes you can use the following - cd into a feat output directory and
run:
img2imgcoord -src example_func -dest reg/highres \
-xfm reg/example_func2highres.mat -flirt
and then type in the lowres coords from featquery.
Thanks, Steve.
On Thu, 14 Aug 2003, Ann Firestine wrote:
> Hi,
>
> I'm looking at stroke patients and effects of training over time. For each subject, I
> have three functional scans, Pre-training, after 4 weeks, and after 8 weeks. Due to
> the variations in stroke damage and degeneration, I'm not registering to standard
> space. However, for each subject, I chose the nicest looking highres image from the
> 3 sessions, and registered the functionals to that one image (by clicking on the Main
> structural image box in the registration tab of Feat_gui). Everything looks nice and
> uniform when I run renderhighres on each of the functionals.
>
> I created several ROI masks (drawn on the highres that I registered to) and ran
> featquery. I now have all these great looking stats (although am still unclear as to
> what they all mean, but I'll struggle with that on my own for now) but I'm concerned
> that the x-y-z coordinates are in the lowres space. Is there a way to bump them back
> up to the highres space so that they are more comparable over time?
>
> Thanks for any help,
>
> Ann
>
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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