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. Author manuscript; available in PMC: 2017 Oct 23.
Published in final edited form as: Behav Brain Res. 2011 Sep 6;226(2):361–368. doi: 10.1016/j.bbr.2011.08.048

Fig. 1.

Fig. 1

(A.) Effect of s.c. formalin or saline (administered 1 h after conditioning) on freezing in a test of conditioned fear to the conditioning contextual cues (CX) or to the tone conditioned stimulus (CS) when tested in a different context. Pre-CS refers to freezing prior to the CS being switched on in the CS test. (B) Effect of s.c. formalin when administered 0.5, 2, 8, or 32 h after conditioning on freezing in a test of conditioned fear to the conditioning contextual cues (CX) or to the tone conditioned stimulus (CS) when tested in a different context. Pre-CS refers to freezing prior to the CS being switched on in the CS test.