Liao Xiaogen, Li Xueni, Ni Chuanbin
College of Liberal Arts, Nanjing University of Information Science and Technology, Nanjing, Jiangsu, China.
School of Foreign Languages and Cultures, Nanjing Normal University, Nanjing, Jiangsu, China.
Cogn Process. 2025 May;26(2):371-387. doi: 10.1007/s10339-024-01252-7. Epub 2024 Dec 16.
Although the effects of emotionality on word processing might be modulated by lexical category, a body of extant literature has tended to obviate the need of considering this factor. In this study, we attempted to address how lexical category modulates the effects of emotionality on L2 word processing. To this end, event-related potentials (ERPs) were recorded from a group of late proficient Chinese-English bilinguals while they performed a lexical decision task with a set of tightly matched negative, positive, and neutral words across three lexical categories (nouns, verbs, adjectives). The results revealed a P2 effect, an N400 effect, as well as an LPC effect for word emotionality. Moreover, an interaction between word emotionality and lexical category occurred within the N400 and LPC time windows over fronto-central electrodes, reflecting that the N400 displayed a smaller amplitude for positive nouns and verbs than for their neutral counterparts, as well as for negative as opposed to neutral adjectives, and that the LPC showed a larger amplitude for positive relative to neutral nouns, as well as for positive and negative adjectives than for their neutral counterparts. These results provide initial electrophysiological evidence for the modulation of lexical category to the emotionality effects on L2 word processing at the different stages and highlight the importance of lexical category in research on L2 emotional word processing.
尽管情绪性对词汇加工的影响可能会受到词汇类别的调节，但大量现有文献往往忽略了考虑这一因素的必要性。在本研究中，我们试图探讨词汇类别如何调节情绪性对二语词汇加工的影响。为此，我们记录了一组晚期熟练的汉英双语者在执行词汇判断任务时的事件相关电位（ERP），该任务使用了一组在三个词汇类别（名词、动词、形容词）中紧密匹配的消极、积极和中性词汇。结果揭示了词汇情绪性的P2效应、N400效应以及LPC效应。此外，在额中央电极上方的N400和LPC时间窗口内，词汇情绪性和词汇类别之间存在交互作用，这表明N400对于积极名词和动词的波幅小于其对应的中性词，对于消极形容词相对于中性形容词也是如此；而LPC对于积极名词相对于中性名词，以及对于积极和消极形容词相对于其对应的中性词，显示出更大的波幅。这些结果为词汇类别在不同阶段对二语词汇加工中情绪性效应的调节提供了初步的电生理证据，并突出了词汇类别在二语情绪词汇加工研究中的重要性。
