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延迟干扰对空间工作记忆信息再认的影响 被引量：2

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摘要 通过延迟匹配的实验方式,要求被试完成空间工作记忆任务和延迟干扰任务,主要对空间工作记忆再认阶段的行为和ERP数据进行分析.实验发现:延迟干扰任务对空间工作记忆的再认速度产生影响,正探测条件下,位置不同条件显著快于位置相同条件,而负探测条件则正好相反.正探测条件在枕区诱发的P1和N1的波幅大于负探测条件.此外,还发现不同实验条件下,P300的潜伏期存在差异,正探测条件下,位置相同条件的P300潜伏期显著长于位置不同条件;而在负探测条件下,位置相同条件的P300潜伏期显著短于位置不同条件.实验结果说明延迟干扰任务对空间工作记忆再认的影响主要出现在刺激评估和反应决策阶段.
作者 罗良 刘兆敏 林崇德 申继亮 黄四林 陈桄
机构地区 北京师范大学认知神经科学与学习国家重点实验室 北京师范大学首都基础教育研究院 北京师范大学发展心理研究所 中国政法大学社会学院
出处 《自然科学进展》 北大核心 2009年第5期491-497,共7页
基金 教育部长江学者和创新团队发展计划 国家自然科学基金(批准号:30670717) 国家社科基金"十一五"规划重点课题(批准号:ABA08004)资助项目
关键词 空间工作记忆 延迟干扰 再认 P1 N1 P300
分类号 TN972 [电子电信—信号与信息处理] Q427 [生物学—神经生物学]
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共引文献2

同被引文献45

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自然科学进展
2009年 第5期

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