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How context features modulate the involvement of the working memory system during discourse comprehension
Yang, Xiaohong1,2; Zhang, Xiuping1,2; Yang, Yufang1,2; Lin, Nan1,2; Nan Lin
第一作者Xiaohong Yang
2018-03-01
发表期刊NEUROPSYCHOLOGIA
ISSN0028-3932
文章类型Article
卷号111期号:-页码:36-44
Q分类Q1
产权排序1
摘要Using functional magnetic resonance imaging (fMRI), we investigated the effects of context features on the involvement of the working memory (WM) system during discourse comprehension. During the fMRI scan, participants were asked to read two-sentence discourses in which the topic of the second sentence was either maintained, or was shifted from, the topic of the first. Changes in the level of coherence between the two sentences as well as context length were also investigated across discourse items. The WM system was identified with a verbal N-back task. Analysis of the reading comprehension task revealed that within the WM system, stronger activation in the left inferior frontal gyrus corresponded with increased bridging coherence demands between sentences, while greater activation in the left inferior and middle frontal gyri, bilateral superior frontal gyri, and bilateral inferior parietal lobules corresponded with increased context length. Topic variation showed no effect on activation of the WM system. These results provide new insights into understanding how different levels of context features modulate activation of the subcomponents of the WM system and indicate a role for the left inferior frontal gyrus as a core component of the WM system supporting discourse processing.
关键词Working memory Topic variation Coherence Length Discourse comprehension
DOI10.1016/j.neuropsychologia.2018.01.010
收录类别SCI ; SSCI
语种英语
项目资助者National Natural Science Foundation of China(31400968 ; 61433018)
WOS研究方向Behavioral Sciences ; Neurosciences & Neurology ; Psychology
WOS类目Behavioral Sciences ; Neurosciences ; Psychology, Experimental
WOS记录号WOS:000430644300005
WOS标题词Science & Technology ; Social Sciences ; Life Sciences & Biomedicine
关键词[WOS]EVENT-RELATED FMRI ; LANGUAGE COMPREHENSION ; READING-COMPREHENSION ; STORY COMPREHENSION ; TEXT COMPREHENSION ; PREFRONTAL CORTEX ; CHINESE DISCOURSE ; GLOBAL COHERENCE ; NARRATIVE TEXT ; MAINTENANCE
引用统计
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/25703
专题中国科学院行为科学重点实验室
通讯作者Nan Lin
作者单位1.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Lincui Rd 16, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Dept Psychol, Beijing 100049, Peoples R China
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Yang, Xiaohong,Zhang, Xiuping,Yang, Yufang,et al. How context features modulate the involvement of the working memory system during discourse comprehension[J]. NEUROPSYCHOLOGIA,2018,111(-):36-44.
APA Yang, Xiaohong,Zhang, Xiuping,Yang, Yufang,Lin, Nan,&Nan Lin.(2018).How context features modulate the involvement of the working memory system during discourse comprehension.NEUROPSYCHOLOGIA,111(-),36-44.
MLA Yang, Xiaohong,et al."How context features modulate the involvement of the working memory system during discourse comprehension".NEUROPSYCHOLOGIA 111.-(2018):36-44.
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