The neural dynamics of conflict adaptation induced by conflict observation: Evidence from univariate and multivariate analysis

斯特罗普效应 单变量 多元统计 适应(眼睛) 意外事故 心理学 认知心理学 混淆 发展心理学 社会心理学 统计 认知 计算机科学 数学 机器学习 神经科学 语言学 哲学
作者
Yongqiang Chen,Zhifang Li,Qing Li,Jing Wang,Na Hu,Yu Zheng,Antao Chen
出处
期刊:International Journal of Psychophysiology [Elsevier]
卷期号:: 112324-112324
标识
DOI:10.1016/j.ijpsycho.2024.112324
摘要

Conflict adaptation can be expressed as greater performance (shorter response time and lower error rate) after incongruent trials when compared to congruent trials. It has been observed in designs that minimize confounding factors, i.e., feature integration, contingency learning, and temporal learning. Our current study aimed to further elucidate the temporal evolution mechanisms of conflict adaptation. To address this issue, the current study employed a combination of behavioral, univariate, and multivariate analysis (MVPA) methods in a modified color-word Stroop task, where half of the trials required button presses (DO trials), and the other half only required observation (LOOK trials). Both behavioral and the ERP results (N450 and SP) in the LOOK-DO transition trials revealed significant conflict adaptation without feature integration, contingency learning, and temporal learning, providing support for the conflict monitoring theory. Furthermore, during the LOOK trials, significant Stroop effect in the N450 and SP components were observed, indicating that conflict monitoring occurred at the stimulus level and triggered reactive control adjustments. The MVPA results decoded the congruent-incongruent and incongruent-incongruent conditions during the conflict adjustment phase but not during the conflict monitoring phase, emphasizing the unique contribution of conflict adjustment to conflict adaptation. The current research findings provided more compelling supporting evidence for the conflict monitoring theory, while also indicating that future studies should employ the present design to elucidate the specific processes of conflict adaptation.
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