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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Trends Cogn Sci. 2009 Nov 24;14(1):7. doi: 10.1016/j.tics.2009.10.008

Figure 3.

Figure 3

Rudy et al [42] pre-exposed intact and hippocampus-lesioned rats to a context without shock on one day. The next day the rats received a shock immediately upon placement in either the same chamber (Pre-exp) or a different chamber (Not-pre) as pre-exposure. The data measure freezing in the shocked chamber during a test given on the third day. The immediate shock deficit is illustrated by the lack of freezing in both No-pre groups. Pre-exposure increased freezing in the lesioned rats, albeit to a lesser extent than the unlesioned rats. The critical contrast showing lesioned rats profited from pre-exposure is indicated by the dark blue brackets. Based on Rudy et al [42] with permission.