额叶参与对新异联系的启动效应-来自脑损伤病人的证据
Frontal lobe participated in priming for new associations - an evidence from frontal lesioned patients
查看参考文献21篇
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文摘
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对新异联系的启动效应是内隐记忆的一种形式，又称联想启动。采用知觉辨认任务，探讨额叶损伤与联想启动的关系。25例额叶损伤病人及18例匹配的正常被试参与实验。结果表明，额叶受损病人辨认旧词对与重组词的对的正确率没有明显差别；而且，轻度记忆损伤的额叶病人再认成绩正常，但联想启动值低于对照组，内隐记忆和外显记忆相分离。相关分析还发现了联想启动值与威斯康星卡片分类测验中的坚持性错误数、坚持性反应数和语词流畅性等有中度相关。这些结果提示，额叶不仅与情节记忆、工作记忆等外显记忆有关，也参与了以非相关词对为材料的联想启动。 |
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其他语种文摘
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This study used perceptual identification task to explore the role of frontal lobe in priming for new associations. 25 frontal lobe lesioned patients and 18 normal subjects who matched in age and education were tested. In the study session, subjects were presented a series of unrelated word pairs and asked to make a meaningful sentence with the two words. In the test session, perceptual identification task was performed. Subjects were asked to read the old, recombined and new pairs of Chinese words as quickly as possible. The patients failed to identify the old unrelated word pairs more than the recombined ones. Their associative priming effect was lower than that of the control subjects. Moreover, the recognition performance of the patients with mild memory deficit was similar with that of the control subjects, bt their associative priming waslower than that of the normal controls also. The phenomenon of comparable normal recognition but impaired associative priming manifested the dissociation between implicit memory and explicit memory. The correlation between associative priming and preservative response, preservative errors, conceptual level responses and word fluency test was significant. It indicated the mechanisms underlying the frontal lobe participating in associative priming were semantic processing, sorting, inhibition, word fluency, and so on. In conclusion, the current study demonstrated that the patients with focal lesions in the frontal lobe did not show priming for new associations. It suggested that frontal lobe may play a role in priming for new association with unrelated ord pairs as material. |
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来源
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心理学报
,2002,34(1):36-42 【核心库】
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关键词
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联想启动
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额叶
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内隐记忆
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认知神经心理学
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地址
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1.
北京大学心理学系, 北京, 100871
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中国科学院心理研究所, 北京, 100101
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中国人民解放军307医院神经外科, 北京, 100853
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中国人民解放军总医院神经内科, 北京, 100853
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语种
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中文 |
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ISSN
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0439-755X |
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学科
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基础医学 |
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基金
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国家自然科学基金
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国家973计划
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中国科学院专项
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国家攀登计划项目
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文献收藏号
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CSCD:1151227
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