Memory enhancement produced by post-training exposure to sucrose-conditioned cues [v1; ref status: indexed, http://f1000r.es/ur]

Memory enhancement produced by post-training exposure to sucrose-conditioned cues [v1; ref status: indexed, http://f1000r.es/ur]

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A number of aversive and appetitive unconditioned stimuli (such as shock and food) are known to produce memory enhancement when they occur during the post-training period.Post-training exposure to conditioned aversive stimuli has also been shown to g35 coupe fender enhance memory consolidation processes.The present study shows for the first time that post-training exposure to conditioned stimuli previously paired with consumption of a sucrose solution also enhances memory consolidation.Male Long Evans rats were trained on a one-session conditioned cue preference (CCP) task on a radial arm maze.

Immediately or 2 hours after training, rats consumed a sucrose solution or were exposed to cues Shirt previously paired with consumption of sucrose or cues previously paired with water.Twenty-four hours later, the rats were tested for a CCP.Immediate, but not delayed, post-training consumption of sucrose enhanced memory for the CCP.Immediate, but not delayed, post-training exposure to cues previously paired with sucrose, but not with water, also enhanced CCP memory.

The possibility that rewarding and aversive conditioned stimuli affect memory by a common physiological process is discussed.