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相关概念视频

Decision Making01:20

Decision Making

68
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.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
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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: Traditional Method01:14

Decision Making: Traditional Method

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The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
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The Anchoring-and-Adjustment Heuristic01:25

The Anchoring-and-Adjustment Heuristic

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In order to make good decisions, we use our knowledge and our reasoning. Often, this knowledge and reasoning is sound and solid. However, sometimes, we are swayed by biases or by others manipulating a situation. For example, let’s say you and three friends wanted to rent a house and had a combined target budget of $1,600. The realtor shows you only very run-down houses for $1,600 and then shows you a very nice house for $2,000. Might you ask each person to pay more in rent to get the...
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Decision Making: P-value Method01:09

Decision Making: P-value Method

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The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim  is also stated. These statements can act as null and alternative hypotheses:  a null hypothesis would be a neutral statement while the alternative hypothesis can...
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Diencephalon: Hypothalamus and Coordination01:23

Diencephalon: Hypothalamus and Coordination

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The hypothalamus is a small yet highly complex and essential brain region that plays a crucial role in regulating various bodily functions. Anatomically, it is located at the base of the brain, just above the brainstem and below the thalamus, forming part of the limbic system.
The hypothalamus interacts with other brain regions, including the pituitary gland, through a direct physical connection called the hypothalamic-pituitary axis. The hypothalamus receives somatic and visceral inputs and...
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相关实验视频

Updated: May 9, 2025

The Adventures of Fundi Intervention Based on the Cognitive and Emotional Processing in Attention Deficit Hyperactive Disorder Patients
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动态前额联接坐标适应性决策

Xinyuan Yan1, Seth D König1,2, R Becket Ebitz3

  • 1Department of Psychiatry, University of Minnesota; Minneapolis, MN, USA.

Research square
|April 29, 2025
PubMed
概括
此摘要是机器生成的。

适应性决策依赖于背中 (dmPFC) 和背侧 (dIPFC) 前额叶皮层的协调行动. 这些大脑区域使用不同的神经信号和时间合来引导不确定性下的行为变化.

关键词:
适应 适应 适应 适应背侧侧前额皮质 前额皮质在 dorsomedial 前额外皮层.区域间合 区域间合留在留在留在留在留在开关 开关 开关 开关 开关不确定性是一种不确定性.价值的价值的价值是一个价值.

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Last Updated: May 9, 2025

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科学领域:

  • 神经科学是一个神经科学.
  • 认知科学 认知科学
  • 决策研究 决策研究

背景情况:

  • 适应性决策包括根据不确定性调整行为.
  • 背中前额叶皮层 (dmPFC) 和背侧前额叶皮层 (dIPFC) 对于这种能力至关重要.
  • 在适应性行为中dmPFC和dIPFC之间的协调机制尚不清楚.

研究的目的:

  • 调查在适应性决策过程中dmPFC和dIPFC之间的独特的神经计算和协调.
  • 确定不同神经频率的特定作用及其在引导行为变化中的合.

主要方法:

  • 从人类参与者的脑内电脑学 (iEEG) 记录.
  • 在动态奖励任务中分析神经活动.
  • 检查频率特定计算 (甲,高) 和区域间合 (甲-甲,甲-).

主要成果:

  • dmPFC高马活性编码了不确定性和预测错误,而theta活动代表了不确定性和价值.
  • dIPFC的theta活动表明了价值和不确定性.
  • 在dmPFC和dIPFC之间,两个合机制 (theta-theta振幅和theta-gamma阶段) 预测了行为变化.
  • 在行为开关之前,这两种合机制都得到了增强,这表明改变行为的整合增加了.

结论:

  • 背部前额叶皮层利用特定频率的计算和精确的时间协调来适应行为.
  • dmPFC和dIPFC通过不同的合机制进行协调,以指导不确定性下的决策.
  • 行为适应,特别是切换,依赖于dmPFC和dIPFC之间的加强整合.