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The present study used the context preexposure facilitation effect (CPFE) to examine long-term retention of incidental context learning in periweanling, adolescent and adult rats. The CPFE is a variant of contextual fear conditioning in which encoding the context representation, associating this representation with shock, and expressing the context-shock… (More)
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The context preexposure facilitation effect (CPFE) is a variant of contextual fear conditioning in which context learning, context-shock association, and expression of context conditioning occur in 3 separate phases-preexposure, training, and testing. During the preexposure phase, the CPFE is disrupted by hippocampal NMDA receptor blockade in juvenile rats… (More)
Cholinergic function plays a role in a variant of context fear conditioning known as the context preexposure facilitation effect (CPFE; Robinson-Drummer, Dokovna, Heroux, & Stanton, 2016). In the CPFE, acquisition of a context representation, the context-shock association, and expression of context fear occur across successive phases, usually 24h apart.… (More)
The context preexposure facilitation effect (CPFE) is a contextual fear conditioning paradigm in which learning about the context, acquiring the context-shock association, and retrieving/expressing contextual fear are temporally dissociated. The current study investigated the involvement of NMDA receptors in contextual fear acquisition, retention, and… (More)