> I have been using spm99 before, now I want to use spm2.But I found
> something different. 1. In spm2, there is no HDR edit button. I found this
> button is very usefull in spm99 because I have to change the AC of the T1
> image and the functional images before coregistering the functional images
> to the T1 image. Is there any button with the same function in spm2? Or no
> need to change the AC in spm2? 2. I found the processing of estimating a
> spm.mat is very slow. And during this processing, spm produces a lot of
> temporal files, and erases it before this procedure ends.Why?
The AC doesn't need to be exact. It only needs to be within a few cm
(providing you have good brain coverage). The "official" way of changing the
origin or reorienting images is to use the Display button. Enter appropriate
translations and rotations, click the "Reorient images...." button, and
select the images that you want to reposition.
Best regards,
-John
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