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短时存贮与复述动态分离的ERP证据
Authors
林崇德
林祟德
+3 more
王益文
罗跃嘉
魏景汉
Publication date
1 January 2004
Publisher
Abstract
工作记忆参与信息的短时贮存和操作加工。为了分离参与词语短时存贮与复述的脑区及其时间过程,测量并比较了14名正常青年被试进行汉字2-back、0-back和复述任务时的事件相关电位(ERPs)。结果发现,2-back任务减复述任务在头皮后部出现差异波N430,可能反映了信息的短时存贮及其时间进程。2-back任务减0-back任务在头皮前部所得的持续负成分SNC可能是复述加工的动态指标。SNC和N430持续时间的重叠提示,大脑额叶和后部区域分别参与信息的复述和短时存贮,两者的动态分离加工可能是工作记忆中暂时保持的神经基础
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Institutional Repository of Institute of Psychology, Chinese Academy of Sciences
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Last time updated on 30/04/2021