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How working memory capacity modulates the time course of semantic integration at sentence and discourse level
Yang, Xiaohong1,2; Zhang, Xiuping3; Zhang, Ying1,2; Zhang, Qian1,2; Li, XiaoQing1,2
First AuthorYang, Xiaohong
2020-03-16
Source PublicationNEUROPSYCHOLOGIA
ISSN0028-3932
Volume140Pages:8
Abstract

During comprehension, language users not only immediately integrate information from local sentence context, but also information from global discourse context for full understanding. In the present study, we examined whether the time course of these integration processes is constrained by language users' working memory capacity. Sentence and discourse stimuli were constructed. For the sentence stimuli, each sentence contained a critical word that was either congruent or incongruent with its preceding sentence context. For the discourse stimuli, each discourse contained four sentences with a target word embedded at the final sentence and the target word was either congruent or incongruent with the information provided at the first sentence of the discourse. Participants of high and low working memory span were instructed to read for comprehension. Our results showed that while the high span readers showed the N400 and P600 effects to semantically incongruent words, the low span readers only showed the P600 effect. This pattern was found regardless of whether the incongruent words were placed at sentence or discourse context. These results suggest that the low span readers are relatively delayed than the high span ones at both sentence- and discourse-level semantic integration and indicate that working memory functions have greater influence than context scope on the time course of semantic integration.

KeywordWorking memory capacity Semantic integration N400 P600 Sentence Discourse
DOI10.1016/j.neuropsychologia.2020.107383
Indexed BySCIE ; SSCI
Language英语
Funding OrganizationNatural National Science Foundation of China ; CAS Key Laboratory of Behavior Science, Institute of Psychology
Funding ProjectNatural National Science Foundation of China[31871108] ; Natural National Science Foundation of China[61433018] ; CAS Key Laboratory of Behavior Science, Institute of Psychology[Y5CX052003]
WOS Research AreaBehavioral Sciences ; Neurosciences & Neurology ; Psychology
WOS SubjectBehavioral Sciences ; Neurosciences ; Psychology, Experimental
WOS IDWOS:000522136500008
PublisherPERGAMON-ELSEVIER SCIENCE LTD
WOS KeywordINDIVIDUAL-DIFFERENCES ; LANGUAGE COMPREHENSION ; WORLD KNOWLEDGE ; ERPS ; RESOLUTION ; ANOMALIES ; AMBIGUITY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/31522
Collection中国科学院行为科学重点实验室
Corresponding AuthorLi, XiaoQing
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
3.Beijing Language & Culture Univ, Res Inst Int Chinese Language Educ, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Yang, Xiaohong,Zhang, Xiuping,Zhang, Ying,et al. How working memory capacity modulates the time course of semantic integration at sentence and discourse level[J]. NEUROPSYCHOLOGIA,2020,140:8.
APA Yang, Xiaohong,Zhang, Xiuping,Zhang, Ying,Zhang, Qian,&Li, XiaoQing.(2020).How working memory capacity modulates the time course of semantic integration at sentence and discourse level.NEUROPSYCHOLOGIA,140,8.
MLA Yang, Xiaohong,et al."How working memory capacity modulates the time course of semantic integration at sentence and discourse level".NEUROPSYCHOLOGIA 140(2020):8.
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