信心是由选择前和选择后的决策信号动态预测的
John P Grogan1,2, Wouter Rys1, Simon P Kelly3
1School of Psychology, Trinity College Dublin, Dublin, Ireland.
Imaging neuroscience (Cambridge, Mass.)
|September 18, 2023
概括
选择后的证据积累,通过电生理学签名测量,当确定性低时继续,影响选择信心. 这一发现支持了取决于确定性的决策停止理论.
科学领域:
- 认知神经科学 认知神经科学
- 决策研究 决策研究
- 电力生理学 电力生理学
背景情况:
- 众所周知,选择信心受到承诺后证据的影响.
- 选择后证据采样的精确神经机制仍然不太清楚.
研究的目的:
- 调查证据积累和选择后的运动准备的电生理学动态.
- 确定这些神经特征如何与对感知决策的信心有关.
主要方法:
- 在选择前和选择后的时期,追踪了电生理学特征,包括中心-周周阳性 (CPP) 和 mu/beta带活动.
- 分析了与参与者的信心报告和决策结果有关的神经数据,包括心态变化.
主要成果:
- 预选CPP幅度与信心相关,即使没有立即反.
- 选择后,CPP表现出持续的活动,特别是在认可的选择中确定性较低,无论决策变化如何.
- 较低的确定性与延迟的运动准备信号和较慢的信心报告有关.
结论:
- 研究结果支持依赖于确定性的停止理论,即证据的积累持续到达到信心值.
- 这些结果提供了对选择信心和决策过程的神经基础的见解.
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