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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
First AuthorXiaohong Yang
2018-03-01
Source PublicationNEUROPSYCHOLOGIA
ISSN0028-3932
SubtypeArticle
Volume111Issue:-Pages:36-44
QuartileQ1
Contribution Rank1
AbstractUsing 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.
KeywordWorking memory Topic variation Coherence Length Discourse comprehension
DOI10.1016/j.neuropsychologia.2018.01.010
Indexed BySCI ; SSCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(31400968 ; 61433018)
WOS Research AreaBehavioral Sciences ; Neurosciences & Neurology ; Psychology
WOS SubjectBehavioral Sciences ; Neurosciences ; Psychology, Experimental
WOS IDWOS:000430644300005
WOS HeadingsScience & Technology ; Social Sciences ; Life Sciences & Biomedicine
WOS KeywordEVENT-RELATED FMRI ; LANGUAGE COMPREHENSION ; READING-COMPREHENSION ; STORY COMPREHENSION ; TEXT COMPREHENSION ; PREFRONTAL CORTEX ; CHINESE DISCOURSE ; GLOBAL COHERENCE ; NARRATIVE TEXT ; MAINTENANCE
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Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/25703
Collection中国科学院行为科学重点实验室
Corresponding AuthorNan Lin
Affiliation1.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
Recommended Citation
GB/T 7714
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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