Andy,
as John mentioned yesterday, this very likely is a case of the affine
part of spatial normalization gone bad. You can check that by looking at
the normalized image, which is much more sensitive than looking at the
glass brain. Once you found the step where things have gone wrong,
search the list archives (www.jiscmail.ac.uk/cgi-bin/webadmin?S1=spm)
for ideas as to reasons and solutions.
Good luck,
Marko
Andy Yeung wrote:
> Dear all,
>
> I used Display button to manually rotate mean functional image and
> structural image, then Check Reg to confirm visually that they were
> quite well aligned to each other.
>
> Then I performed coregistration, segmentation, normalization, smoothing
> and specification as for other normal subjects' data.
>
> Attached is the results window. Now the wms looks quite beautiful and
> normal, but the activation shifts anteriorly. And it's still outside the
> glass brain.
>
> Sorry for your time, could anyone help?
> Thanks a lot.
>
> Best,
> Andy
>
>
> On Tue, Dec 17, 2013 at 6:46 AM, Colin Hawco <[log in to unmask]
> <mailto:[log in to unmask]>> wrote:
>
> Did you check your registrations/normalizations? This looks like the
> problem to me, at a glance.
>
>
> On 16 December 2013 03:20, Andy Yeung <[log in to unmask]
> <mailto:[log in to unmask]>> wrote:
>
> Dear all,
>
> I have finished data input for 13 subjects, all were fine.
> But the 14th subject got the activation like this: outside the
> glass brain.
> I repeated standard procedures from realignment, coreg, segment,
> normalize, smooth.
>
> Could anyone suggest what was going wrong?
> Thanks a lot.
>
> Yours faithfully,
> Andy
>
>
>
--
____________________________________________________
PD Dr. med. Marko Wilke
Facharzt für Kinder- und Jugendmedizin
Leiter, Experimentelle Pädiatrische Neurobildgebung
Universitäts-Kinderklinik
Abt. III (Neuropädiatrie)
Marko Wilke, MD, PhD
Pediatrician
Head, Experimental Pediatric Neuroimaging
University Children's Hospital
Dept. III (Pediatric Neurology)
Hoppe-Seyler-Str. 1
D - 72076 Tübingen, Germany
Tel. +49 7071 29-83416
Fax +49 7071 29-5473
[log in to unmask]
http://www.medizin.uni-tuebingen.de/kinder/epn/
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