I assume that the registration was run using the GM and WM segmented
from anatomical scans. If you want to apply transformations estimated
from anatomical scans to fMRI data of the same subjects, then (for
each subject) the fMRI data should be coregistered so that they align
with the anatomical scan. You can assess this using Check reg.
Also, ensure that you use the latest patches for SPM8. The original
version of normalise to MNI space had a few problems - although these
were soon fixed.
Best regards,
-John
On 24 July 2012 16:12, soha saleh <[log in to unmask]> wrote:
> Hello:
>
> Recently I started using DARTEL for preprocessing scans of subjects with
> lesions due to stroke. So I do not have much experience in it.
> I used the segment tool and a map of the lesion created in mricro as a
> mask.
>
> The templates were created with no problem but I have a problem with
> normalizing functional scans to the template.
> The sw.* images are getting warped abnormally. The figures might give you
> an idea what I mean.
>
> I tried to coregister and align the functional scans to the template before
> normalizing them but that did not help (see the figure in the second file).
>
> I appreciate if anybody has a suggestion or a solution to such problem.
>
> Thank you!
>
> Regards,
>
> Soha
>
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