be sure to use trilinear rather than sinc interpolation - there was a
recent message from John Ashburner about the reasons for this.
russ
Luis Hernandez wrote:
> Dear SPM-ers,
>
> I'd like to apply the transformations that I obtained from normalizing a
> structural image to a contrast image, in order to carry out a 2nd level
> analysis. (ie- apply a _sn3d.mat file to the contrast images).
>
> When I do this, the output contrast images look very different from the
> input ones. They appear as if they had been severely thresholded in the
> process. Is this the case? Can that be avoided?
>
> Any thoughts on the situation would be appreciated
>
> -Luis
--
Russell A. Poldrack, Ph. D.
MGH-NMR Center
Building 149, 13th St.
Charlestown, MA 02129
Phone: 617-726-4060
FAX: 617-726-7422
Email: [log in to unmask]
Web Page: http://www.nmr.mgh.harvard.edu/~poldrack
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