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. Author manuscript; available in PMC: 2018 Jan 15.
Published in final edited form as: Behav Brain Res. 2016 Sep 12;317:1–15. doi: 10.1016/j.bbr.2016.09.025

Figure 1.

Figure 1

The escapable social interaction test experimental design and apparatus. All rats were exposed to the apparatus for 3 trials, with either none of the trials, the last trial, or all 3 trials with a tethered stimulus rat that was either aggressive or non-aggressive (A). The apparatus consisted of 2 chambers, a larger social interaction chamber and a smaller escape chamber, separated by a door (B). In social trials the social interaction chamber contained a tethered stimulus rat that could not enter the escape chamber; the experimental rats had free access to the entire chamber (C).