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相关概念视频

Causes of Social Behavior II: Cognitive Processes01:15

Causes of Social Behavior II: Cognitive Processes

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Cognitive processes affect social behavior by guiding how individuals perceive, interpret, and respond to social stimuli. These mental processes enable individuals to assess others' behaviors, attribute causes to their actions, and form expectations based on past experiences.Causes of Behavior and Social JudgmentsIndividuals determine the causes of others' behaviors by distinguishing between personal traits and external circumstances. For example, if a friend frequently arrives late, an...
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Behavioral Genetics and Its Designs01:23

Behavioral Genetics and Its Designs

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Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
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Instinctive Drift01:05

Instinctive Drift

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Instinctive drift refers to the tendency of animals to revert to their innate behaviors despite repeated reinforcement. Breland and Breland demonstrated this concept in an experiment with a raccoon. The raccoon was trained to pick up two coins and place them in a container in exchange for food. Initially, the raccoon learned to associate the coins with food, making them a conditioned stimulus or a substitute for food. However, over time, the raccoon became less willing to put the coins into the...
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Decision Making01:20

Decision Making

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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.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
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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 Behavioral Perspective on Personality01:19

The Behavioral Perspective on Personality

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Behaviorists view personality as primarily shaped by environmental reinforcements and consequences. According to this perspective, behavior is influenced by external stimuli, and individuals adjust their actions based on rewards and punishments. Over time, learning histories — accumulated patterns of reinforcement — play a significant role in shaping personality. Behaviors that lead to positive outcomes are reinforced, while those resulting in negative outcomes are diminished.
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相关实验视频

Updated: Apr 23, 2026

Operant Procedures for Assessing Behavioral Flexibility in Rats
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行为变化通过随机选择和它的门由前带皮层前带皮层.

Dougal G R Tervo1, Mikhail Proskurin1, Maxim Manakov1

  • 1Howard Hughes Medical Institute, Janelia Research Campus, 19700 Helix Drive, Ashburn, VA 20147, USA.

Cell
|September 27, 2014
PubMed
概括

当面对无敌的竞争对手时,老鼠从战略决策转换为随机模式. 这种行为转变,由前带皮层 (ACC) 输入的coeruleus位置控制,允许在不确定性下进行探索.

科学领域:

  • 神经科学是一个神经科学.
  • 行为科学 行为科学
  • 计算神经科学是一种神经科学.

背景情况:

  • 动物通常使用过去的经验来优化决策.
  • 然而,探索和不可预测性也对生存至关重要.
  • 在这些行为策略之间切换的基础的神经机制尚未完全理解.

研究的目的:

  • 研究老鼠如何在战略和随机行为模式之间切换.
  • 为了确定控制这种行为灵活性的神经回路.
  • 了解前带状皮质 (ACC) 和状部 (LC) 在不确定性下决策中的作用.

主要方法:

  • 与面对虚拟竞争对手的老鼠进行行为实验.
  • 转基因大鼠中的电路干扰.
  • 电生理学记录和光遗传学操纵.
  • 在ACC和LC中分析行为策略和神经活动.

主要成果:

  • 老鼠使用历史和基于模型的策略来对抗可预测的竞争对手.
  • 当面对不可预测的竞争对手时,老鼠会切换到随机模式,无视结果.
  • 这种开关是通过向前带带皮层 (ACC) 输入的coeruleus位介导的.

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  • 在随机行为期间观察到ACC参与的抑制.
  • 结论:

    • 大脑可以在根据经验优化行为和采用不可预测的策略之间切换.
    • 在前环皮质 (ACC) 输入的Locus coeruleus (LC) 控制了这种行为灵活性.
    • 在环境不确定性下,ACC输出的诺亚氨基调制使得适应性决策成为可能.