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We examined the effects of dorsal, ventral, or complete damage to the hippocampus on long-term retention of a Pavlovian conditioned fear response to a tone and a context paired with foot shock. Rats received a fear conditioning episode, in which a tone and context or context-alone were paired with foot shock. Two days or 12 weeks later, they received sham,(More)
In an effort to evaluate episodic memory processes in the rat, we developed a novel Pavlovian conditioning procedure. Rats explored two distinctive contexts, one in the morning and the other in the evening. Subsequently, either in the morning or the evening, they received a foot shock immediately upon entry into a third context that equally resembled the(More)
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