人类神经计算中对益处和风险的主观价值权衡在保守和风险决策之间发生变化
Sijia Liu1, Shuang Li2, Haoran Jiang3
1Fudan Institute on Ageing, Fudan University, Shanghai, China; MOE Laboratory for National Development and Intelligent Governance, Fudan University, Shanghai, China.
个人承担风险的程度各不相同,主观利益驱使风险选择,主观风险引导保守的选择. 遗憾之类的情感因素对保守的决策更有影响,对寻求风险与不愿风险行为的神经过程产生不同的影响.
科学领域:
- 神经科学是一个神经科学.
- 计算神经科学是一种神经科学.
- 决策科学 决策科学 决策科学
背景情况:
- 人类的决策表现出显著的变化,即使在相同的个人中,在相同的情况中也是如此.
- 了解风险与保守选择背后的神经机制至关重要.
研究的目的:
- 研究风险和保守决策的计算神经机制.
- 在顺序承担风险任务期间分析动态更新模型参数和脑电图 (EEG) 签名.
主要方法:
- 计算模型参数和EEG数据的综合分析.
- 时间解析多变量模式分析对EEG信号的应用.
- 识别峰值解码精度作为决策阶段的标记.
主要成果:
- 主观的利益价值影响了风险决策,而主观的风险价值则主导了保守的决策.
- 情绪因素,特别是遗憾,调节了保守的决策,而不是风险的决策.
- 估值期间的峰值解码精度在风险决策中更高,更稳定,这表明了均衡的风险-收益考虑.
结论:
- 神经计算在风险和保守的决策之间动态适应.
- 情绪调节在不同类型的决策中存在差异,对保守的选择产生更大的影响.
- 独特的神经特征区分了风险行为中的估值和选择阶段.
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