Hi Michael
It sounds like SPM treats your data as if they were 711 sessions,
maybe that could be a clue to debugging your batch analysis.
Best
Torben
Torben Ellegaard Lund
Assistant Professor, PhD
The Danish National Research Foundation's Center for Functionally
Integrative Neuroscience (CFIN)
Aarhus University
Aarhus University Hospital
Building 30
Noerrebrogade
8000 Aarhus C
Denmark
Phone: +4589494380
Fax: +4589494400
http://www.cfin.au.dk
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On 02/11/2007, at 16.04, <Michael > <Rivkin > wrote:
> We are using SPM5 and have set up automated batch analysis scripts to
> analyze the data sets obtained from individual subjects for an fMRI
> scan
> that consists of 711 acquisitions of 23 slices each. We discard the
> first
> acquisition from analysis which leaves 710 for relignment and
> subsequent
> processing. We have noticed that we get 710 relignment txt files
> labelled
> rp_aimage001.txt, rp_aimage002.txt.... all the way
> to ....rp_aimage710.txt.
> This confuses me as it seems that we should get just one realignment
> txt
> file for all 710 acquisitions as the scan is conducted as a single
> session
> of 710 acquisitions. Shouldn't we get a single relignment txt file?
>
> Thanks very much for your collective wisdom.
>
> Michael
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