Evidence map›Paper›PMID 34421550›Full record

ArticleFrontiers in behavioral neuroscience2021

Parsing the Neural Mechanisms of Short-Term and Long-Term Associations in the Flanker Tasks: An ERP Analysis.

Wenwen Cheng, Qiao Huang, Ying Chen, Weipeng Dai, Liyan Cui, Sharui Shan, Zhuoming Chen, Shu Zhou

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Article in Frontiers in behavioral neuroscience, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

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4citing papers in PubMed
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4 citing papers in PubMed.

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5 · Who and what money

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8 authors.

Wenwen ChengDepartment of Neurology, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Qiao HuangDepartment of Rehabilitation, Guangzhou Red-Cross Hospital of Jinan University, Guangzhou, China.
Ying ChenDepartment of Ideological and Political Theory Teaching, Maoming Polytechnic, Maoming, China.
Weipeng DaiDepartment of Neurology, Jiangmen Central Hospital, Jiangmen, China.
Liyan CuiDepartment of Rehabilitation, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Sharui ShanDepartment of Rehabilitation, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, China.
Zhuoming ChenDepartment of Rehabilitation, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Shu ZhouDepartment of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The neural mechanisms of cognitive conflicts within various flanker tasks are still unclear, which may be mixed with different effects of short-term associations and long-term associations. We applied a perceptual (color) flanker task and a symbolic (arrow) flanker task to 25 healthy young adults, while the event-related potentials (ERP) and behavioral performance were recorded. The former contains stimulus-stimulus conflict (SSC) of short-term memory (STM) associations, and the latter contains stimulus-response conflict (SRC) of long-term memory (LTM) associations. Both flanker tasks included congruent and incongruent conditions. The reaction time demonstrated the stimulus-response conflict effect in the arrow flanker task without the stimulus-stimulus conflict effect in the color flanker task. The ERP results showed SSC enhanced the frontocentral N2b without behavioral effects. SRC increased the frontocentral P2 but decreased the centroparietal P3b with prolonged reaction time. In the comparison between both tasks, the color flanker task elicited both the centroparietal N2b/N300 and the frontocentral N400, and the arrow flanker task increased the occipital N1. Our findings provide new evidence that different neural mechanisms underlie conflict effects based on different types of memory associations.

Indexed as

cognition conflictevents related potentials (ERP)flanker taskstimulus-response conflictstimulus-stimulus conflict

Identifiers

PMID34421550
PMCPMC8374427

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