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Independent ERP predictors of affective priming underline the importance of depth of prime and target processing and implicit affect misattribution.
Brain and Cognition ( IF 2.2 ) Pub Date : 2019-08-27 , DOI: 10.1016/j.bandc.2019.103595
Laura-Effi Seib-Pfeifer 1 , Henning Gibbons 1
Affiliation  

We used event-related potentials (ERPs) to investigate the mental processes that contribute to affective priming (AP), a systematic shift of evaluative judgments about neutral targets toward the valence of preceding primes. 64 participants rated their liking of a priori neutral ideographs preceded by 800-ms emotional primewords, while 64-channel EEG was recorded. We observed a significant AP effect that was closely associated with prime valence dependent variations of the right central-to-parieto-occipital positive slow wave (PSW) amplitude in the target ERP, providing evidence for implicit affect misattribution as one source of the effect. While deeper target processing mirrored in valence unspecific central-to-parieto-occipital target PSW amplitude was negatively associated with AP, deeper prime processing indicated by valence unspecific central-to-parieto-occipital prime PSW amplitude was positively related to AP. These depth of processing effects underline the importance of strategic processes in AP. In a stepwise linear regression analysis, the prime valence effect on right central-to-parieto-occipital target PSW indicating affect misattribution and the two valence-unspecific ERP indices of processing depth (central-to-parieto-occipital prime- and target PSW) were independent predictors of the size of the AP effect. Together they accounted for 60% of the variance. Furthermore, an explorative analysis provided first evidence for the relevance of early discrimination of prime valence for AP.

中文翻译:

情感启动的独立ERP预测器强调了启动和目标处理深度以及隐式影响错误归因的重要性。

我们使用事件相关电位(ERP)来研究导致情感启动(AP)的心理过程,这是一种将有关中性目标的评价性判断朝着先前的启动价转换的系统性转变。64位参与者对他们喜欢先验的中性表意文字的情况表示满意,然后加上800毫秒的情感原词,同时记录了64通道的脑电图。我们观察到显着的AP效应与目标ERP中右中枢至枕骨枕正慢波(PSW)振幅的原始价依赖型变化密切相关,从而提供了隐性影响错误归因的证据。当更深入的目标处理反映出效价时,非特异性的中枢至顶枕目标PSW幅度与AP呈负相关,由价位非特异性中央到顶枕初始PSW幅度表示的更深的初级加工与AP呈正相关。这些深度的处理效果突显了AP中战略流程的重要性。在逐步线性回归分析中,右中枢至顶枕目标PSW的原始价效应指示影响归因,以及加工深度的两个价非特异性ERP指数(中枢至顶枕原始和目标PSW)是AP效应大小的独立预测因子。他们在一起占了60%的差异。此外,一项探索性分析为早期区分AP的最高价提供了相关证据。这些深度的处理效果突显了AP中战略流程的重要性。在逐步线性回归分析中,右中枢至顶枕目标PSW的原始价效应指示影响归因,以及加工深度的两个价非特异性ERP指数(中枢至顶枕原始和目标PSW)是AP效应大小的独立预测因子。它们合起来占差异的60%。此外,一项探索性分析为早期区分AP的最高价提供了相关证据。这些深度的处理效果突显了AP中战略流程的重要性。在逐步线性回归分析中,右中枢至顶枕目标PSW的原始价效应指示影响归因,以及加工深度的两个价非特异性ERP指数(中枢至顶枕原始和目标PSW)是AP效应大小的独立预测因子。他们在一起占了60%的差异。此外,一项探索性分析为早期区分AP的最高价提供了相关证据。右中枢至顶枕目标PSW的原始价效应表明影响归因,加工深度的两个价非特异性ERP指标(中枢至顶枕原始PSW和目标PSW)是肿瘤大小的独立预测因子AP效应。他们在一起占了60%的差异。此外,一项探索性分析为早期区分AP的最高价提供了相关证据。右中枢至顶枕目标PSW的原始价效应表明影响归因,加工深度的两个价非特异性ERP指标(中枢至顶枕原始PSW和目标PSW)是肿瘤大小的独立预测因子AP效应。他们在一起占了60%的差异。此外,一项探索性分析为早期区分AP的最高价提供了相关证据。
更新日期:2019-11-01
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