Hi - either you have somehow saved the mask with a different matrix
dimensions as the standard space image, or the standard space image
doesn't have the same dimensions as the one used in the FEAT
registration, or you didn't run registration in that FEAT run.
Cheers.
On 7 Aug 2009, at 20:14, Gad wrote:
> I apologize for what I am sure is a basic question, but I am
> relatively new to
> FSL. I want to calculate both number of active voxels and % change
> in two
> ROIs from the same brain and compare them. I have created the ROIs by
> cropping the MNI2mmbrain mask and would like to run this analysis on
> the
> standard brain used in my FEAT analysis. However when select the FEAT
> directory and try to run featquery on it it tells me that the mask
> does not
> match any of the images in that directory. I know that my data was
> upsampled to the MNI2mm standard brain and the transform files
> should all be
> present. What am I messing up/leaving out/compeltely unaware of?
>
> Thanks.
>
> -Gad
>
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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)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
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