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Interval between two sequential arrays determines their storage state in visual working memory
Li, Ziyuan1,2; Zhang, Jiafeng3,4; Liang, Tengfei2; Ye, Chaoxiong1,5; Liu, Qiang1,2
First AuthorLi, Ziyuan
Correspondent Emaillq780614@163.com
Contribution Rank3
Abstract

The visual information can be stored as either "active" representations in the active state or "activity-silent" representations in the passive state during the retention period in visual working memory (VWM). Catering to the dynamic nature of visual world, we explored how the temporally dynamic visual input was stored in VWM. In the current study, the memory arrays were presented sequentially, and the contralateral delay activity (CDA), an electrophysiological measure, was used to identify whether the memory representations were transferred into the passive state. Participants were instructed to encode two sequential arrays and retrieve them respectively, with two conditions of interval across the two arrays: 400ms and 800ms. These results provided strong evidence for the state-separated storage of two sequential arrays in different neural states if the interval between them was long enough, and the concurrent storage of them in the active state if the interval was relatively short. This conclusion was valid only when the participants encountered the task for the first time. Once participants have formed their mindset, they would apply the same storage mode to the subsequently extended or shortened interval condition.

2020-05-07
Language英语
DOI10.1038/s41598-020-64825-4
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume10Issue:1Pages:9
Subtypearticle
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[NSFC31970989]
PublisherNATURE PUBLISHING GROUP
WOS KeywordSHORT-TERM-MEMORY ; CONTRALATERAL DELAY ACTIVITY ; NEURAL MEASURE ; CAPACITY ; REPRESENTATIONS ; OBJECTS ; FEATURES
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000540462800009
QuartileQ1
Citation statistics
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/32073
Collection中国科学院行为科学重点实验室
Corresponding AuthorLiu, Qiang
Affiliation1.Sichuan Normal Univ, Inst Brain & Psychol Sci, Chengdu, Peoples R China
2.Liaoning Normal Univ, Res Ctr Brain & Cognit Neurosci, Dalian, Peoples R China
3.Chinese Acad Sci, Inst Psychol, CAS Key Lab Behav Sci, Beijing, Peoples R China
4.Univ Chinese Acad Sci, Dept Psychol, Beijing, Peoples R China
5.Univ Jyvaskyla, Dept Psychol, Jyvaskyla, Finland
Recommended Citation
GB/T 7714
Li, Ziyuan,Zhang, Jiafeng,Liang, Tengfei,et al. Interval between two sequential arrays determines their storage state in visual working memory[J]. SCIENTIFIC REPORTS,2020,10(1):9.
APA Li, Ziyuan,Zhang, Jiafeng,Liang, Tengfei,Ye, Chaoxiong,&Liu, Qiang.(2020).Interval between two sequential arrays determines their storage state in visual working memory.SCIENTIFIC REPORTS,10(1),9.
MLA Li, Ziyuan,et al."Interval between two sequential arrays determines their storage state in visual working memory".SCIENTIFIC REPORTS 10.1(2020):9.
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