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Effects of emotional arousal on multiple memory systems: Evidence from declarative and procedural learning

机译:情绪唤醒对多种记忆系统的影响:陈述式和程序性学习的证据

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Extensive evidence documents emotional modulation of hippocampus-dependent declarative memory in humans. However, little is known about the emotional modulation of striatum-dependent procedural memory. To address how emotional arousal influences declarative and procedural memory, the current study utilized (1) a picture recognition and (2) a weather prediction (WP) task (a probabilistic classification learning task), which have been shown to rely on hippocampal- and striatum-based memory systems, respectively. Observers viewed arousing or neutral pictures after (Experiment 1) or during (Experiment 2) WP training trials. A 1-wk delayed picture recognition memory test revealed enhanced declarative memory for arousing compared with neutral pictures. Arousal during encoding impaired initial WP acquisition but did not influence retention when tested after a 1-wk delay. Data from a subsequent 3-mo delayed test, however, suggested that arousal during acquisition may enhance remote WP retention. These results suggest a potential dissociation between how readily emotional arousal influences hippocampus-dependent and striatum-dependent memory systems in humans.
机译:大量证据表明人类对海马依赖性声明性记忆的情绪调节。但是,关于纹状体依赖性程序记忆的情绪调节知之甚少。为了解决情绪唤醒如何影响声明性和程序性记忆,本研究利用(1)图片识别和(2)天气预报(WP)任务(概率分类学习任务),这些任务已证明依赖于海马和基于纹状体的存储系统。在(实验1)或在(实验2)可湿性粉剂训练试验后,观察者观看了引起刺激或中性的照片。 1周延迟图像识别记忆测试显示,与中性图像相比,声明性记忆增强了,可唤起用户注意。编码期间的唤醒会损害初始WP的获取,但在1-wk延迟后进行测试时不会影响保留。然而,随后3个月延迟测试的数据表明,采集过程中的唤醒可能会增强远程WP保留。这些结果表明情绪唤醒如何容易地影响人类海马依赖型和纹状体依赖型记忆系统之间的潜在分离。

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