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首页> 外文期刊>Journal of Experimental Psychology. General >Consolidation Power of Extrinsic Rewards: Reward Cues Enhance Long-Term Memory for Irrelevant Past Events
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Consolidation Power of Extrinsic Rewards: Reward Cues Enhance Long-Term Memory for Irrelevant Past Events

机译：外部奖励的整合能力：奖励线索增强了对过去无关事件的长期记忆

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摘要

Recent research suggests that extrinsic rewards promote memory consolidation through dopaminergic modulation processes. However, no conclusive behavioral evidence exists given that the influence of extrinsic reward on attention and motivation during encoding and consolidation processes are inherently confounded. The present study provides behavioral evidence that extrinsic rewards (i.e., monetary incentives) enhance human memory consolidation independently of attention and motivation. Participants saw neutral pictures, followed by a reward or control cue in an unrelated context. Our results (and a direct replication study) demonstrated that the reward cue predicted a retrograde enhancement of memory for the preceding neutral pictures. This retrograde effect was observed only after a delay, not immediately upon testing. An additional experiment showed that emotional arousal or unconscious resource mobilization cannot explain the retrograde enhancement effect. These results provide support for the notion that the dopaminergic memory consolidation effect can result from extrinsic reward.
机译：最近的研究表明，外在奖励通过多巴胺能调节过程促进记忆巩固。但是，由于外部奖励对编码和合并过程中注意力和动机的影响是固有地混杂的，因此没有确凿的行为证据。本研究提供了行为证据，表明外在奖励（即金钱激励）可以独立于注意力和动机来增强人类记忆的巩固。参与者看到了中立的图片，随后在无关的上下文中看到了奖励或控制提示。我们的结果（和直接复制研究）表明，奖励线索预示了先前中性图片的记忆逆行增强。这种逆行效应仅在延迟后才观察到，而并非在测试后立即观察到。另一个实验表明，情绪唤醒或无意识的资源动员不能解释逆行增强作用。这些结果为以下观点提供了支持：多巴胺能记忆巩固效应可能源于外在奖励。

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