成功的前瞻记忆编码与提取的神经机制研究
Neural basis for successful encoding and retrieval of prospective memory
查看参考文献40篇
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文摘
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前瞻记忆是指对将来行为和事件的记忆,而相继记忆效应(Dm效应)是指根据记忆提取阶段的成绩,分析与之对应的编码阶段的项目和忘的项目之间的神经活动的差异.本研究采用任务转化范式,借助ERP仪器,使用汉字材料,探讨了前瞻记忆的Dm效应.研究发现,100～200ms(P150),250～280ms(fbN2),400～700ms(LPC)随后前瞻记忆击中的ERPs比随后前瞻记忆忘的ERPs更正.其中,早期的相继记忆效应(P150更正)可能反映了前瞻记忆将来意向的加工或者准备意的加工;而后两个时段与以往的研究结果一致,fbN2可能与汉语材料的加工有关,LPC则反映了记忆的精确编码.总之,本研究从ERP的角度提供了前瞻记忆编码与以往情景记忆编码有相同之处(LPC更正),又存在一些差异(P150更正)的证据,但这种差异需要进一步的研究来论证. |
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来源
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中国科学. 生命科学
,2011,41(4):332-339 【核心库】
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关键词
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相继记忆效应
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前瞻记忆
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ERP P150 LPC
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地址
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1.
首都师范大学心理系, 北京市"学习与认知"重点实验室, 北京, 100048
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美国肯塔基大学医学院行为科学系, 莱克星顿, 40536-0086
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1674-7232 |
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学科
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社会科学总论 |
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基金
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国家自然科学基金
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北京市教委重点项目
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国家教育部高等学校博士学科点专项科研基金
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文献收藏号
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CSCD:4268471
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参考文献 共
40
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