共查询到18条相似文献,搜索用时 62 毫秒
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研究使用提取诱发遗忘范式,在提取练习和最终测试间插入午睡(1小时)或等长时段的分心任务,通过比较午睡组和非午睡组的记忆成绩来探测午睡对提取诱发遗忘现象的影响。结果发现:(1)午睡组的Rp-项目正确率显著低于Nrp项目,出现了提取诱发遗忘效应;Rp+项目的正确率则显著高于Nrp项目,出现提取练习效应;(2)非午睡组的Rp-项目正确率和Nrp项目的正确率差异不显著,说明提取练习阶段后间隔一小时就不能观测到提取诱发遗忘现象。研究结果表明一小时的午睡巩固了提取诱发遗忘现象,首次从短期睡眠的角度支持了情景抑制假说。 相似文献
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关于自我参照效应的研究大多从信息编码角度考察自我参照的加工优势, 但作为记忆过程的另一重要方面, 自我参照对遗忘影响的研究较少。遗忘自身经历的情绪性记忆是日常生活中的常见现象。研究采用项目法定向遗忘范式(item-method directed forgetting)考察了自我参照对情绪性记忆定向遗忘的影响。实验一和实验二的结果都表明参照方式会影响定向遗忘:自我参照条件下的材料会发生定向遗忘; 而他人参照条件下的材料不会发生定向遗忘, 两种参照方式下材料间区辨性的不同是导致这一现象的原因。此外, 实验二采用回忆测试发现:自我参照对不同效价的情绪性记忆定向遗忘产生了不同影响, 而自我提升(self-enhancement)动机在其中起着重要的调节作用。 相似文献
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逆行性遗忘的研究进展 总被引:3,自引:0,他引:3
1 前言 遗忘症是记忆障碍的一种形式 ,其主要表现有顺行性遗忘和逆行性遗忘 ,但病人的短时记忆和智力均正常。顺行性遗忘是指脑受损后被试学习记忆新知识能力的下降 ,而逆行性遗忘是指被试对脑损伤发生之前的事件的记忆障碍 ,又称为远期记忆障碍[1- 2 ] 。相对于顺行性遗忘来说 ,心理学家和神经科学家对于逆行性遗忘的研究较少 ,但它对遗忘症的理论发展、对理解正常的记忆功能及信息在脑内的组织等认知神经科学的基本问题都具有重要的意义。研究逆行性遗忘最常用的测验大致分为两种 :其一是有关公众事件的测验 ,如著名人物 \事件测验。… 相似文献
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Dustin P. Calvillo 《The Journal of general psychology》2014,141(4):393-407
The present study examined individual differences in susceptibility to two similar forms of memory distortion: the misinformation effect and hindsight bias. The misinformation effect occurs when individuals witness an event, are provided with misinformation, and recall the original event as containing elements of the misinformation. Hindsight bias occurs when individuals make judgments, are provided with feedback, and recall their original judgments as being more similar to the feedback than they actually were. Seventy-five participants completed a misinformation task, a hindsight bias task, and several individual difference measures related to memory distortions. Working memory capacity was negatively correlated with the misinformation effect and hindsight bias, and the misinformation effect and hindsight bias were negatively correlated with one another. Although the misinformation effect and hindsight bias are measured with similar designs, and both are predicted by working memory capacity, the negative correlation between them suggests these phenomena result from somewhat different processes. 相似文献
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内隐和外显记忆测验中的定向遗忘效应 总被引:9,自引:2,他引:7
定向遗忘效应已为许多研究所证实,但多数研究都是使用传统的记忆任务(外显记忆测验),采用内隐记忆测验进行的研究还非常少,而且研究结果也不尽一致。本文试图在前人研究的基础上,通过操作指示符变量(记住/遗忘),考察再认和偏好测验中是否有定向遗忘效应。 相似文献
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与笑有关的三种个体差异:被笑恐惧、被笑愉悦与笑他愉悦 总被引:1,自引:0,他引:1
被笑恐惧、被笑愉悦和笑他愉悦是三种不同的个体差异。被笑恐惧指个体在害怕被嘲笑而产生的恐惧上的差异,被笑愉悦指个体由于被别人嘲笑而产生的愉悦上的差异,笑他愉悦指个体因嘲笑他人而产生的愉悦上的差异。文章阐释了被笑恐惧的概念及相关研究,同时介绍了被笑愉悦和笑他愉悦概念的构建和测量。对三者的研究尚处于初始阶段,但三个概念中所包含的社会文化差异则值得深思。 相似文献
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Individual Differences in Decision Making Depend on Cognitive Abilities,Monitoring and Control 下载免费PDF全文
Decision making is the process by which actions are constructed and initiated. Across many research streams, this can be explained in terms of three broad cognitive processes: cognitive abilities that construct judgements and potential courses of action, and interacting monitoring and control processes that determine when to initiate them as behaviour. The aim of this research was to investigate the generality of individual differences in these processes, and their power to predict patterns of decision behaviour identified in our previous research. Undergraduate participants (N = 364) completed nine tests assessing cognitive abilities, monitoring confidence, control thresholds and various patterns of decision behaviour. The tests differed in their cognitive ability requirements and the nature of the payoffs associated with decisions. Cognitive abilities were a strong predictor of individuals' decision competence and optimality, while monitoring confidence and control thresholds were strong and unique predictors of their overall decisiveness, and reckless and hesitant errors. These results were strongest when the measures of cognitive abilities and monitoring confidence were derived from tests with the same cognitive requirements as the tests used to derive the decision behaviours and when the control threshold measure was derived from tests with the same decision payoffs as the test used to derive the decision behaviours. This effect was particularly pronounced for control thresholds, highlighting the domain‐specific nature of cognitive control processes. These findings demonstrate how cognitive abilities, monitoring output and control thresholds interact with cognitive requirements and context‐specific payoffs to drive individual differences in decision‐making behaviour. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献
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以往研究表明情绪背景对来源记忆存在影响,但背景的情绪效价和唤醒如何影响熟悉性及回想尚存争议。本研究以ERPs技术作为测量手段,采用来源记忆多键范式,操纵背景的情绪效价及唤醒强度,以探讨编码阶段背景情绪影响来源记忆提取的认知神经机制。学习阶段,呈现中性汉字及情绪图片(正性高唤醒、正性低唤醒、负性高唤醒、负性低唤醒);测验阶段,仅呈现汉字,被试进行五键判断。行为结果发现:来源正确的比率比来源错误的比率更高,反应时更短;同时提取正性背景的辨别力更强,反应时更短;提取高唤醒背景反应时更短。脑电结果发现了分别代表熟悉性及回想的FN400及LPC新旧效应,且在500~700 ms,提取正性背景及高唤醒背景诱发显著更正的ERPs,但效价与唤醒没有交互作用。总体来说,来源记忆中背景效价及唤醒度对回想过程存在独立影响,体现为正性背景及高唤醒背景对来源提取的促进作用。 相似文献