Most probably it is a matter of default.analyze.flip in the spm_defaults (SPM5).
Set it to "0" and re-run analysis. You don't need to do reorientation.
P.s. You may need to set it to 1, if the actual value is 0.
2009/7/9 Rozemarijn Houtkamp <[log in to unmask]>:
> Dear SPM-list,
> For a first pilot-subject I used the 'analyze'-data for analysis and got an
> odd result. A left localizer stimulus led to enhanced activity in the left
> visual cortex and a right stimulus led to right activation... Somebody
> advised me to try the analyses again with the 'dicom'-data and now the
> activation showed up where it should. Now I wonder, would there be any
> objection to using these 'dicom'-data (converted to single file nifti) for
> the rest of the analyses? Or are there any advantages to using the
> 'analyze'-data? If so, how should I reorient these to show left on the left
> and right on the right? (so far I've put pi instead of 0 at yaw(rad) and
> left the rest at 0).
> Thanx for any advice!
> Kind regards,