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Comparison of mean percent signal change in dorsal executive-attention regions corresponding to emotional, neutral, and target stimuli in the low and high PTSD symptom groups. (a) Activation in the middle frontal gyrus (MFG) prefrontal cortex was greater for circle targets in the low symptom group than the high symptom group. (b) Activation in the supramarginal gyrus (SMG) was also greater for circle targets in the low symptom group than the high symptom group.
