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. Author manuscript; available in PMC: 2011 Apr 19.
Published in final edited form as: Physiol Behav. 2010 Feb 4;99(5):571–578. doi: 10.1016/j.physbeh.2010.01.025

Figure 2.

Figure 2

Mean (± SEM) 5-hydroxyindoleacetic acid (5-HIAA) in the nucleus accumbens (NAc). Social control subjects engaging in a single 90 s interaction displayed elevated NAc 5-HIAA concentrations compared to all other treatment groups. Means with no common superscript letters (e.g., A, B) are significantly different (P < 0.05).