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Reason and Intuition01:37

Reason and Intuition

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The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the...
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Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
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相关实验视频

Updated: Jun 8, 2025

Modeling the Functional Network for Spatial Navigation in the Human Brain
05:55

Modeling the Functional Network for Spatial Navigation in the Human Brain

Published on: October 13, 2023

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在空间导航过程中对决策神经动态进行皮层范围的表征.

Samuel P Haley, Daniel A Surinach, Angela K Nietz

    bioRxiv : the preprint server for biology
    |November 1, 2024
    PubMed
    概括

    根据决策任务,大脑活动模式有所不同. 与固定奖励范式相比,工作记忆任务显示了不同的皮质状态,揭示了大脑区域如何协调决策.

    科学领域:

    • 神经科学是一个神经科学.
    • 系统神经科学 系统神经科学
    • 认知神经科学 认知神经科学

    背景情况:

    • 在自由移动的动物中,决策过程涉及皮质和皮质下大脑区域之间的复杂相互作用.
    • 了解决策过程中这些地区的时空协调是至关重要的,但仍然不完全理解.

    研究的目的:

    • 为了研究在8个迷宫中导航的小鼠的决策过程中大脑皮层范围内的动态.
    • 将需要工作记忆的任务与固定奖励模式之间的大脑活动模式进行比较.

    主要方法:

    • 利用头部安装的宽场显微镜记录表皮层范围内的动态在表达GCaMP7f的小鼠.
    • 采用了两个行为范式:需要短期记忆的交替模式和左侧仅奖励的规则变化.
    • 识别和分析了不同的大脑皮层范围内的激活状态及其序列 (动机).

    主要成果:

    • 皮层激活状态在两个范式之间有显著差异.
    • 在交替 (工作记忆) 范式中,视觉/后皮层状况更有可能发生.
    • 在只有左边 (固定奖励) 的范式中,二级运动和后侧状状态更有可能发生.
    • 确定了三个状态序列 (图案),显示前后活动传播.
    • 前部传播动机在决策点附近达到顶峰,而后部动机在决策后达到顶峰,并且在固定奖励范式中更频繁.

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    Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function
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    结论:

    • 皮质状态的概率和序列因需要工作记忆还是使用固定奖励轨迹而有所不同.
    • 后部传播动机,可能反映内部反,在固定奖励场景中更为普遍,这表明不同的决策环境中存在不同的神经机制.