Studies of Psychology and Behavior ›› 2026, Vol. 24 ›› Issue (5): 672-679.DOI: 10.12139/j.1672-0628.2026.05.013

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The Effects of Perceived Social Mindfulness and Anthropomorphic Avatar on Internet Altruistic Behavior: Evidence from Behavior and ERP

ZHENG Xianliang1, LIU Zhiqing2, FAN Hao1, GUAN Ping1, LIU Xiyu1   

  1. 1. School of Educational Science, Gannan Normal University, Ganzhou 341000;
    2. School of Rehabilitation, Gannan Health Vocational College, Ganzhou 341000
  • Received:2025-06-18 Online:2026-09-20 Published:2026-09-20

感知社会善念与拟人化网络头像对网络利他行为的影响:来自行为与ERP的证据

郑显亮1, 刘志青2, 范淏1, 官平1, 刘玺玉1   

  1. 1. 赣南师范大学教育科学学院,赣州 341000;
    2. 赣南卫生健康职业学院康复学院,赣州 341000
  • 通讯作者: 刘志青
  • 基金资助:
    国家社科基金项目(25BSH095)。

Abstract: The relationship and time process between perceived social mindfulness (PSM) and internet altruistic behavior (IAB) under different anthropomorphic network avatar (ANA) conditions were examined using the SoMi paradigm combined with ERP techniques. The results showed that: 1) High (vs. low) PSM produced more IAB. 2) High (vs. low) PSM induced smaller N2 amplitude (reflecting conflict monitoring) and larger P3 amplitude (reflecting motivation assessment) when triggering IAB. 3) ANA moderated the differences in N2 and P3 wave amplitudes when performing IAB under different PSM. Specifically, in the face of high ANA, the N2 wave amplitude induced by implementing IAB in the low PSM condition was greater than that in the high PSM condition, and the difference was more significant in the face of low ANA. And in the face of low ANA, the P3 wave amplitude induced by implementing IAB in the high PSM condition was greater than that in the low PSM condition, and the difference was more significant in the face of high ANA. The findings provide a new perspective for understanding the underlying mechanism of IAB.

Key words: internet altruistic behavior, perceived social mindfulness, anthropomorphic network avatar, ERP

摘要: 采用SoMi范式并结合ERP技术考察不同拟人化网络头像条件下感知社会善念与网络利他行为的关系及其时间进程,结果发现:(1)高(vs.低)感知社会善念引发更多的网络利他行为。(2)高(vs.低)感知社会善念引发网络利他行为时诱发了更小的N2波幅(反映冲突监控)和更大的P3波幅(反映动机评估)。(3)拟人化网络头像调节了不同感知社会善念下网络利他行为的N2和P3波幅差异。具体而言,面对高拟人化头像,低感知社会善念下网络利他行为诱发更大的N2波幅,且该差异在低拟人化头像时更显著;面对低拟人化头像,高感知社会善念下网络利他行为诱发更大的P3波幅,且该差异在高拟人化头像时进一步增强。研究结果为理解网络利他行为的内在机制提供了新视角。

关键词: 网络利他行为, 感知社会善念, 拟人化网络头像, 事件相关电位

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