Role of medial temporal lobe in extensive retrieval of task-related knowledge

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	Role of medial temporal lobe in extensive retrieval of task-related knowledge
	Luo, J ; Niki, K ; K. Niki
摘要	The role of medial temporal lobe (MTL) in deep semantic processing was examined in a triple semantic judgment task in which subjects were asked to decide which one of the two bottom words was more semantically fit to the top word. By changing the number of bottom words that are semantically related to the top word, we can disassociate effects of reactivating the "old" semantic associations and effects of establishing "new" semantic associations on the MTL. The results of event-related fMRI analysis indicated that MTL was more activated in the retrieval of old semantic associations than in the establishment of new semantic associations. The function of MTL in this semantic judgment task was explained as subserving the process of extensive retrieval of task-related knowledge.; The role of medial temporal lobe (MTL) in deep semantic processing was examined in a triple semantic judgment task in which subjects were asked to decide which one of the two bottom words was more semantically fit to the top word. By changing the number of bottom words that are semantically related to the top word, we can disassociate effects of reactivating the "old" semantic associations and effects of establishing "new" semantic associations on the MTL. The results of event-related fMRI analysis indicated that MTL was more activated in the retrieval of old semantic associations than in the establishment of new semantic associations. The function of MTL in this semantic judgment task was explained as subserving the process of extensive retrieval of task-related knowledge. (C) 2002 Wiley-Liss, Inc.
关键词	semantic processing retrieval of old semantic associations establishment of new semantic associations medial temporal lobe (MTL) event-related fMRI
学科领域	认知神经科学
	2002
语种	英语
发表期刊	HIPPOCAMPUS
ISSN	1050-9631
卷号	12 期号:4 页码:487-494
期刊论文类型	Article
收录类别	SCI
WOS记录号	WOS:000177480100007
引用统计	被引频次：22[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.psych.ac.cn/handle/311026/5669
专题	中国科学院心理研究所回溯数据库(1956-2010)
通讯作者	K. Niki
作者单位	1.Natl Inst Adv Ind Sci & Technol, AIST, Neurosci Res Inst, Tsukuba, Ibaraki 3058568, Japan 2.Chinese Acad Sci, Inst Psychol, Lab Mental Hlth, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Luo, J,Niki, K,K. Niki. Role of medial temporal lobe in extensive retrieval of task-related knowledge[J]. HIPPOCAMPUS,2002,12(4):487-494.
APA	Luo, J,Niki, K,&K. Niki.(2002).Role of medial temporal lobe in extensive retrieval of task-related knowledge.HIPPOCAMPUS,12(4),487-494.
MLA	Luo, J,et al."Role of medial temporal lobe in extensive retrieval of task-related knowledge".HIPPOCAMPUS 12.4(2002):487-494.

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