Dear Ben,
I ran into the same problem earlier. Please see the spm archives -
http://www.mailbase.ac.uk/lists/spm/2000-02/0057.html
http://www.mailbase.ac.uk/lists/spm/2000-02/0061.html
Basically, you need to turn off the default brain mask function in the
spatial normalization using the defaults button in spm99.
Best regards,
Kent
______________________________
Kent A. Kiehl
2255 Wesbrook Mall
Departments of Psychology and Psychiatry
University of British Columbia
Vancouver, B.C., Canada, V6T 2A1
http://www.psychiatry.ubc.ca/sz/nilab/personnel/kiehl/
Office 604-822-0777; Lab 604-822-7128; Fax: 604-822-7756
----- Original Message -----
From: Benjamin Xu <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, February 23, 2000 11:26 AM
Subject: Spatial normalization with spm99
> Dear all,
> I've been having problems with spm99 in spatial normalization. I used the
> mean image from the realignment and the EPI template in spm99 for the
> normalization. However, the normalized images were substantially larger
than
> the template, most obviously in the sagittal and axial views. Strangely,
> this problem occurred only for the scans of a few subjects. Others were
> fine. And, it's always the frontal region that was stretched beyond the
> bounding-box. I check the header. It look fine. I also tried adjusting the
> origins for those images. It still didn't work. But, when I used spm96
with
> the same procedure, the normalized images looked fine.
> I'd greatly appreciate it if anyone can point out to me what might be the
> problem.
>
> Ben
> --------------------------------------
> Benjamin Xu, Ph.D.
> ERB/NINDS
> The National Institutes of Health
> 5N250 Building 10 Center Dr.
> Bethesda, MD 20892
> Phone: (301)435-8542
> Fax: (301)402-2871
>
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