The priming effect of emotional words on body expressions: Two ERP studies

400奈米 心理学 启动(农业) 认知心理学 情感表达 背景(考古学) 动词 表达式(计算机科学) 事件相关电位 词汇判断任务 认知 神经科学 语言学 计算机科学 植物 发芽 生物 古生物学 哲学 程序设计语言
作者
Bixuan Du,Shuxin Jia,Xing Zhou,Mingming Zhang,Weiqi He
出处
期刊:International Journal of Psychophysiology [Elsevier BV]
卷期号:202: 112370-112370 被引量:1
标识
DOI:10.1016/j.ijpsycho.2024.112370
摘要

The impact of emotional words on the recognition of body expression and the underlying neurodynamic mechanisms remain poorly understood. This study used a classic supraliminal priming paradigm and event related potential (ERP) to investigate the effect of emotion-label words (experiment 1) and emotional verbs (experiment 2) on the recognition of body expressions. The behavioral results revealed that individuals exhibited a higher accuracy in recognizing happy expressions when presented with a happy-label word condition, in contrast to neutral expressions. Furthermore, it was observed that the accuracy of recognizing happy body expressions was reduced when preceded by angry verb priming, compared to happy and neutral priming conditions. Conversely, the accuracy of recognizing angry body expressions was higher in response to angry verb priming than happy and neutral primings. The ERP results showed that, in the recognition of happy body expressions, the P300 amplitude elicited by angry-label words was more positive, while a congruent verb-expression condition elicited more positive P300 amplitude than an incongruent condition in the left hemisphere and midline. However, in the recognition of angry body expressions, the N400 amplitude elicited by a congruent verb-expression condition was smaller than that elicited by an incongruent condition. These results suggest that both abstract emotion-label words and specific emotional verbs influence the recognition of body expressions. In addition, integrating happy semantic context and body expression might occur at the P300 stage, whereas integrating angry semantic context and body expression might occur at the N400 stage. These findings present novel evidence regarding the criticality of emotional context in the recognition of emotions.
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