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相关概念视频

Lazarus's Cognitive Appraisal Theory01:20

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Cognitive psychologist Richard Lazarus proposed the cognitive-mediational theory of emotions, which emphasizes how individuals' assessments of stressors significantly affect their experience of stress. According to Lazarus, the stress response is determined by a two-step appraisal process: primary appraisal and secondary appraisal. These cognitive appraisals help individuals evaluate the potential impact of a stressor and determine the adequacy of their coping resources.
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Cognitive Learning01:21

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Cognitive learning is based on purposive behavior, incidental learning, and insight learning.
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
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Albert Bandura's observational learning, also known as imitation or modeling, occurs when a person observes and imitates another's behavior. It is a quicker process than operant conditioning. A well-known example is the Bobo doll study, where children who saw an adult acting aggressively towards the doll were more likely to act aggressively when left alone, compared to those who observed a nonaggressive adult. Many psychologists view observational learning as a form of latent learning...
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相关实验视频

Updated: Jan 11, 2026

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses
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轨道前皮层更新了对状态推断的信念.

Shannon S Schiereck1, Danilo Trinidad Pérez-Rivera1, Andrew Mah1

  • 1Center for Neural Science, New York University, New York, NY 10003, USA.

Neuron
|November 18, 2025
PubMed
概括
此摘要是机器生成的。

鼠的轨道前皮层 (OFC) 更新关于隐藏状态的信念,这对决策至关重要. 在OFC中神经活动反映了这些推断状态,揭示了它在状态推断中的作用.

关键词:
认知 认知 认知认知战略是一种认知策略.在决策过程中做出决定.动态系统是动态系统.轨道前皮层 (orbitofrontal cortex) 是一个脑皮层.前额叶皮层前额叶皮层.强化学习是一种强化学习.国家推理推理.不确定性是一种不确定性.

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科学领域:

  • 神经科学是一个神经科学.
  • 认知神经科学 认知神经科学
  • 计算神经科学是一种神经科学.

背景情况:

  • 已知轨道前皮层 (OFC) 参与学习和推断潜在状态.
  • 然而,OFC用于状态推理的具体计算仍然不清楚.

研究的目的:

  • 为了研究老鼠OFC在状态推理过程中执行的精确计算.
  • 在OFC中识别与状态推理相关的神经特征.

主要方法:

  • 鼠被训练在一个临时的注任务与隐藏的奖励状态.
  • 进行了OFC无活化,以评估OFC在信念更新中的作用.
  • 使用电生理学和新型人口分析方法来分析OFC神经动态.

主要成果:

  • 鼠使用状态推理来指导他们在时间注任务中的决策.
  • 由于OFC失活,老鼠无法更新关于隐藏状态的信念.
  • 隐藏的神经因子反映推断状态被确定在OFC记录从老鼠执行推断,但不是从那些使用替代策略.
  • 神经发射率和人口因素呈现出与状态过渡相关的突然变化.

结论:

  • 鼠标OFC积极更新关于隐藏状态的信念,这是决策的关键过程.
  • OFC神经动态包含关于推断状态的可解读信息,提供了这个认知过程的神经签名.
  • 这些发现阐明了OFC执行的特定计算及其在状态推理中的神经基础.