决策前后的确定性信号在改变思想中的确定性信号
Pablo Barttfeld1, Nicolás Comay1, Iair Embon2
1Cognitive Science Group, Instituto de Investigaciones Psicológicas (IIPsi, CONICET-UNC), Facultad de Psicología, Universidad Nacional de Córdoba, Córdoba, Argentina.
研究人员使用计算建模和内记录来探索信心和心灵变化的神经基础. 他们发现了前补充运动区 (preSMA) 和胰岛的积累信号的证据,将元认知重新定义为一个动态过程.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 计算神经科学是一种神经科学.
背景情况:
- 了解信任和决策的基础的神经机制至关重要.
- 超认知,或思考自己的思维,涉及复杂的神经过程.
- 以前的研究已经涉及到各种大脑区域的决策,但在信心和改变思想的具体作用是不太清楚的.
研究的目的:
- 研究自信的神经基础和改变思想的过程.
- 为了确定大脑区域和神经动力学涉及到证据积累决策.
- 为了重新理解元认知作为一个分布式和动态的神经过程.
主要方法:
- 结合计算建模与内记录在最近的一项研究中.
- 分析了与决策过程中的证据积累相关的神经信号.
- 研究了决策前和决策后的神经活动.
主要成果:
- 揭示了证据积累的时间组织和空间分布的层次结构.
- 在预补充运动区域 (preSMA) 中确定了决策前的信心信号.
- 发现了与岛内心灵变化相关的决策后信号.
结论:
- 自信和心态的变化源于分布式的神经层次结构.
- 在决策前和决策后的过程中,preSMA和insula在决策前和决策后的过程中发挥着不同的作用.
- 应将元认知视为一个动态和分布式的神经功能.
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