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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: J Affect Disord. 2015 Mar 31;179:23–30. doi: 10.1016/j.jad.2015.03.026

Figure 3. Group differences in the percentage of odors rated to be “distressing” or “relaxing” within the negative and positive hedonic valence groups.

Figure 3

demonstrates that combat veterans with and without PTSD (CV+PTSD, CV-PTSD, respectively) compared to healthy controls (HC) report overall reduced sensitivity not only to the distressing properties of odors with negative hedonic valence (that are non-trauma-related), but to the relaxing properties of odors with positive hedonic valence.