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. Author manuscript; available in PMC: 2021 Oct 21.
Published in final edited form as: Prog Neuropsychopharmacol Biol Psychiatry. 2020 Mar 10;101:109920. doi: 10.1016/j.pnpbp.2020.109920

Fig. 2. Experiment 2.

Fig. 2

The upper panel shows the experimental design. The lower left panel shows percentage freezing during each CS (tone) and its preceding 10-s interval (before tone), for both Paired (n = 8) and Unpaired (n = 8) groups during Training (means ± SEM). The lower middle and right panels show freezing during these same intervals, for Post-test 1 and 2 respectively (shown as individual data points with mean). Sidak’s post-hoc tests: *p < .05, **p < .01, ****p < .0001.