Hedok Lee wrote:
> http://www.jiscmail.ac.uk/cgi-bin/wa.exe?A2=ind05&L=SPM&D=0&I=-3&P=300872
> and it works well. From what I understand this script sums all of the non-
> zero voxels and multiply by voxel volume to get a number in litre.
Yep, I think that's what it does.
> Here is my question. If I’m using masking with absolute threshold value
> ~0.05 during statistical estimate, isn’t it more appropriate to mask out
> the modulated GM with the the threshold value, and then take the sum?
Maybe... to get this, I think you just need to change
> img = img(finite(img));
to (where abs thresh is 0.05):
img = img(img >= 0.05);
Hope that helps,
Ged.
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