(错误) 判断社会信息的电生理学相关性
Miles Wischnewski1,2,3, Michael O Y Hörberg2, Dennis J L G Schutter2,4
1Department of Experimental Psychology, University of Groningen, Groningen, the Netherlands.
Psychophysiology
|April 18, 2024
概括
人们在评估多个社会信息来源时表现出区分偏见. 与事件相关的潜在 (ERP) 组件P2和P3揭示了我们如何判断建议的有效性,影响决策.
科学领域:
- 认知神经科学 认知神经科学
- 社会心理学 社会心理学
- 决策科学 决策科学 决策科学
背景情况:
- 社会信息有助于决策,但多个咨询来源可能会导致区分偏见.
- 与事件相关的潜在 (ERP) 组件涉及到社会信息处理,但它们在判断建议有效性的作用尚不清楚.
研究的目的:
- 调查事件相关潜在 (ERP) 组件是如何通过社会信息有效性的 (错误) 判断来调节的.
- 检查决策中的区分偏差,当面临不同准确度的多个建议线索时.
主要方法:
- 两项实验涉及参与者进行决策任务,在学习和测试阶段提供准确和不准确的线索.
- 脑电图 (EEG) 在提示呈现和结果评估期间记录了与事件相关的潜力 (ERP).
- 行为数据分析了区分偏见和遵循或反对建议的意愿.
主要成果:
- 观察到一个区别偏差,参与者误判了不确定的线索的准确性.
- 在提示呈现期间增加的P2振幅与顾问的不同意见相关,无论提示是否有效.
- 结果介绍期间更大的P3振幅与顾问的不同意见和更有信息的线索有关,不确定的线索显示较小的P3振幅.
结论:
- P3组件可能在学习和判断社会线索的可预测性方面发挥作用.
- 这些发现为基础对社会信息有效性的判断的神经机制 (P2和P3幅度) 提供了新的见解.
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