Post-learning arousal enhances veridical memory and reduces false memory in the Deese-Roediger-McDermott paradigm

Post-learning arousal enhances veridical memory and reduces false memory in the Deese-Roediger-McDermott paradigm
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在 Deese-Roediger-McDermott 范式中,学习后唤醒可增强真实记忆并减少错误记忆

DOI:
10.1016/j.nlm.2017.07.009
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发表时间:
2017
影响因子:
2.7
通讯作者:
Correro, Anthony N.
Correro, Anthony N.
中科院分区:
心理学4区
文献类型:
--
作者:
Nielson, Kristy A.;Correro, Anthony N.

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Deese-Roediger-McDermott(DRM)范式通过引入与非呈现的“关键诱饵”相关的单词作为备忘录来检查错误记忆,这通常会导致诱饵像学习单词一样频繁地被记住。我们先前的工作已经表明,当学习后引起唤醒时,真实记忆增强,错误信息效应减少(即,在存储器合并期间)。这些影响还没有在DRM任务中进行检查,或与信号检测分析,可以阐明记忆改变的机制。因此,130名受试者研究,然后立即回忆六个DRM列表,一个接一个,然后观看3分钟的唤起(n= 61)或中性(n= 69)视频。70分钟后的识别测试表明,学习后引起的唤醒导致更好地延迟区分研究的单词(a)关键的诱惑,和(B)其他非呈现的“弱联想”。此外,唤醒减少了自由反应偏差(即,倾向于接受可疑的信息)的研究的话相对于所有的陪衬,包括关键的诱惑和'弱联想。因此,学习后引起的唤醒有效地增加了信号和噪声之间的区别,通过提高逐字信息的访问和减少可疑信息的认可。这些发现提供了重要的认知机制,唤醒调节早期记忆巩固过程的见解。
The Deese-Roediger-McDermott (DRM) paradigm examines false memory by introducing words associated with a non-presented ‘critical lure’ as memoranda, which typically causes the lures to be remembered as frequently as studied words. Our prior work has shown enhanced veridical memory and reduced misinformation effects when arousal is inducedafterlearning (i.e., during memory consolidation). These effects have not been examined in the DRM task, or with signal detection analysis, which can elucidate the mechanisms underlying memory alterations. Thus, 130 subjects studied and then immediately recalled six DRM lists, one after another, and then watched a 3-min arousing (n= 61) or neutral (n= 69) video. Recognition tested 70 min later showed that arousal induced after learning led to better delayed discrimination of studied words from (a) critical lures, and (b) other non-presented ‘weak associates.’ Furthermore, arousal reduced liberal response bias (i.e., the tendency toward accepting dubious information) for studied words relative to all foils, including critical lures and ‘weak associates.’ Thus, arousal induced after learning effectively increased the distinction between signal and noise by enhancing access to verbatim information and reducing endorsement of dubious information. These findings provide important insights into the cognitive mechanisms by which arousal modulates early memory consolidation processes.
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