> I am having a problem preprocessing a set of 432 images with SPM2. It can
> do the realignment of the epis successfully; however, it cannot reslice
> them. Does anyone know why this is happenning?
If you email the error messages, then this would give us a few clues.
>
> Also.. if anyone already preprocessed with SPM2, could you please email me
> the exact steps you followed?
There are a lot of possible strategies, depending on the amount of distortion
in the data (related to field strength), slice ordering etc. The amount of
smoothing you use also depends on whether you plan to do a single subject,
or multi-subject study.
The simplest is:
* Realign, estimate only.
* Spatial Normalisation
- Estimate spatial normalisation params from one of the images
- Apply these to all images of the time series.
* Smooth
* Stats
Best regards,
-John
--
Dr John Ashburner.
Functional Imaging Lab., 12 Queen Square, London WC1N 3BG, UK.
tel: +44 (0)20 78337491 or +44 (0)20 78373611 x4381
fax: +44 (0)20 78131420 http://www.fil.ion.ucl.ac.uk/~john
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