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. Author manuscript; available in PMC: 2016 Nov 1.

Published in final edited form as: J Psychiatr Res. 2015 Aug 29;70:58–66. doi: 10.1016/j.jpsychires.2015.08.015

Table 3.

Pearson correlations between gray matter volume and odor-elicited ratings in combat veterans

	Brain Region	odor intensity	odor negative valence	odor-elicited reexperiencing (memories)	odor-elicited avoidance (numb)	odor-elicited hyperarousal (anxiety)
left
	piriform cortex	−0.129	0.163	−0.305^*	−0.175	0.025
	lateral amygdala	−0.151	0.189	−0.289	−0.133	0.039
	hippocampus (head)	−0.087	0.222	−0.257	−0.166	0.017
	anterior insula	−0.104	−0.025	−0.330^*	−0.393^**	−0.386^**
	orbitofrontal cortex	−0.240	0.108	−0.452^**	−0.312^*	−0.428^**
right
	piriform cortex	−0.106	0.125	−0.300^*	−0.127	−0.020
	lateral amygdala	−0.091	0.147	−0.220	−0.134	0.002
	hippocampus (head)	−0.103	0.255	−0.253	−0.185	−0.056
	anterior insula	−0.083	−0.031	−0.496^**	−0.377^*	−0.395^**
	orbitofrontal cortex	−0.138	0.086	−0.514^**	−0.427^**	−0.445^**

Combat veterans (n=45) are collapsed across PTSD diagnosis.

^*

p<.05

^**

p<.01