I would suggest looking for clues by superimposing your activations on one of
your individual pre-processed fMRI images. The mask.img may also hold some
clues.
Best regards,
-John
On Wednesday 17 December 2008 23:31, Julie E McEntee wrote:
> Hello SPMers,
>
> I am using SPM5 update 1782, MatLab 7.0 and Windows XP 2002 Professional
> with service pack 3.
>
> After realigning my functional images, coregistering the T1 image to the
> mean of the realigned functionals, segmenting the T1, estimating the
> parameters to normalise using the biased T1 image and T1 template (see
> attachment), write normalising the realigned functionals using the
> resultant parameters, smoothing the normalised functionals and generating a
> first-level analysis for one subject, the activation appears displaced
> posteriorly on the glass brain (see attachment).
>
> I then attempted to estimate the parameters to normalise using the mean
> functional realigned image and the EPI template (see attachment). After
> write normalising the realigned functionals using the resultant parameters,
> smoothing the normalised functionals and generating a first-level analysis
> for the same subject, the activation appears displaced posteriorly and
> ventrally on the glass brain (see attachment).
>
> Any ideas?
>
> Thank-you,
>
> Julie
>
> Julie E. McEntee, M.A., C.C.R.P.
> Senior Research Program Coordinator
> Department of Psychiatry- Neuroimaging
> Johns Hopkins University School of Medicine
> 600 N. Wolfe St./ Phipps 300
> Baltimore, MD 21287
> Phone: 410-502-0468
> Fax: 410-614-3676
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