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. 2014 Nov 14;14(2):943–952. doi: 10.1021/pr500998e

Figure 2.

Figure 2

Experimental Design. Overview of the experimental treatments for each group: experimental (EXP), unpaired (UNP), and no shock control (NOS). Subjects received paired light (conditioned stimuli; CS) and shock (unconditioned stimuli; US) for 4 days as previously described. (See Section 2.2.2.) Squares represent presentations of the CS light, and the bolt signifies the US shock.