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--- tools:mt [2025/09/15 12:35] – created will
+++ tools:mt [2025/09/15 12:42] (current) – will
@@ Line 1: / Line 1: @@
 ====== MT ======
-[[https://mriquestions.com/mt-imagingcontrast.html|Magnetization Transfer]] ratio from a two sequence MRI during [[:grants:pet:mr]]
+[[https://mriquestions.com/mt-imagingcontrast.html|Magnetization Transfer]] ratio from a two sequence (MT/noMT) MRI during [[:grants:pet:mr]] where MT/noMT pairs were repeated before and after task. ''/Volumes/Phillips/mMR_PETDA/scripts/MT''
+<code>
+dcalc -overwrite \
+       -prefix MTR1.nii.gz \
+       -m $MT \
+       -n $noMT \
+       -a $anat \
+       -expr '(1-m/n)*bool(a)'
+...
+dcalc -prefix MTR_pdiff.nii.gz \
+       -o MTR1.nii.gz -t MTR2.nii.gz \
+       -expr '(t-o)/o'
+</code>