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help > RE: Threshold values
Jun 29, 2017 08:06 PM | Chris Rorden
RE: Threshold values
The overlays are shown with their voxel intensity. For my tools, I
create statistical maps as z-scores (so you do not need to worry
about the degrees of freedom), but many other tools (SPM and FSL)
save images with the t-value. If you want to convert an image from
a t-score to a z-score you could modify my script
https://github.com/rordenlab/spmScripts/blob/master/nii_zeronan.m
using the spm command
z = spm_t2z(t,df);
In sum, my software displays the color intensity in the scale used by the software that created the image.
https://github.com/rordenlab/spmScripts/blob/master/nii_zeronan.m
using the spm command
z = spm_t2z(t,df);
In sum, my software displays the color intensity in the scale used by the software that created the image.
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