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Relationships between amygdalar tract strength to each brain region and PTSD symptom severity. Scatter plots and regression lines indicate the relationships between the amygdalar tract strength to each target region and PTSD symptom severity. Values in blue shaded areas in each scatter plot indicate positive standardized Z-scores representing values above the means of the trauma-unexposed group in SD units. **p<0.01 and ***p<0.001.
