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<p>In this event-related potential (ERP) study, how the emotionality of global contexts influences the processing of subsequent emotional words during discourse comprehension was explored. Four-sentence discourses were used as experimental materials, where the first three sentences established the global discourse context that described either a negative or neutral event. The fourth sentence served as the local sentence context and contained one negative word as the critical word, which combined with the local context to convey a negative or a neutral emotion. Thus, four conditions were included in the present study: Global Negative–Local Negative, Global Negative–Local Neutral, Global Neutral–Local Negative, and Global Neutral–Local Neutral. The ERP results revealed that when preceded by a global negative context, the target words in local negative sentences elicited a smaller N400 and a larger late positive component (LPC) than those in the local neutral sentences. In contrast, when preceded by a global neutral context, target words in local negative sentences elicit a smaller N400 than those in the local neutral sentences. Our results show that global contextual emotionality modulates the processing of local emotional information in the late time window, suggesting that global and local emotional information interact dynamically during discourse processing.</p>

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Emotionally consistent discourse contexts enhance late-stage emotional reanalysis in local sentences

  • 期刊论文

  • 发表日期：

    2026年3月30日

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  • Qian Zhang,
  • Cong Mou,
  • Zhenyu Zhang,
  • Wenjie Li,
  • Wenjing Yu,
  • Zihang Zhou,
  • Xiaohong Yang

摘要

In this event-related potential (ERP) study, how the emotionality of global contexts influences the processing of subsequent emotional words during discourse comprehension was explored. Four-sentence discourses were used as experimental materials, where the first three sentences established the global discourse context that described either a negative or neutral event. The fourth sentence served as the local sentence context and contained one negative word as the critical word, which combined with the local context to convey a negative or a neutral emotion. Thus, four conditions were included in the present study: Global Negative–Local Negative, Global Negative–Local Neutral, Global Neutral–Local Negative, and Global Neutral–Local Neutral. The ERP results revealed that when preceded by a global negative context, the target words in local negative sentences elicited a smaller N400 and a larger late positive component (LPC) than those in the local neutral sentences. In contrast, when preceded by a global neutral context, target words in local negative sentences elicit a smaller N400 than those in the local neutral sentences. Our results show that global contextual emotionality modulates the processing of local emotional information in the late time window, suggesting that global and local emotional information interact dynamically during discourse processing.