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. 2017 Sep 28;17:378–387. doi: 10.1016/j.nicl.2017.09.018

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© 2017 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 3 — Burned rubber (BR) odor-elicited brain activation in combat veterans with and without PTSD (CV+PTSD, CV-PTSD respectively). PG = propylene glycol, the odorless control. 3a. Increased BR odor-elicited brain activity was revealed in multimodal association areas of the parietal lobe that extended into somatosensory cortex in CV+PTSD compared to CV-PTSD. As time since trauma (TST) increased, BR odor-elicited activity decreased in somatosensory cortex of CV-PTSD (3b) and increased in CV+PTSD (3c). Z > 2.3, corrected cluster threshold of p < 0.05. Gray matter mask applied for visualization.