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. Author manuscript; available in PMC: 2017 Jun 1.
Published in final edited form as: Neuropharmacology. 2016 Feb 22;105:553–560. doi: 10.1016/j.neuropharm.2016.02.025

Figure 3.

Figure 3

Expressive behaviors. A. Frequency of occurrence of different expressive behaviors during 60 min of observation (2nd and 3rd observation sessions). Mean ± s.e.m. N=32. Tags indicate which behaviors were significant members of the first and second principal components (PC) in a preliminary principle components analysis. Low incidence behaviors (bark, tooth grind, scream) did not contribute to the PC1 or PC2. B. Effect of fluoxetine on PC2 expressive behaviors in monkeys with high or low-MAOA genotypes and partners with the same or opposite genotype. * Significant fluoxetine effect from planned comparison. Frequency of occurrence of PC1 variables was not affected by fluoxetine.