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相关概念视频

Real-World Application of Classical Conditioning01:15

Real-World Application of Classical Conditioning

596
Classical conditioning not only includes the initial pairing of stimuli but also extends to more complex forms, such as higher-order conditioning. Higher-order conditioning involves creating associations beyond the primary conditioned stimulus, resulting in a chain of conditioned responses.
Higher-order, or second-order, conditioning occurs when a neutral stimulus becomes associated with an already established conditioned stimulus through repeated pairings. For instance, if a dog has been...
596
Associative Learning01:27

Associative Learning

404
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
404
Interference and Decay01:16

Interference and Decay

144
Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
144
Cognitive Learning01:21

Cognitive Learning

246
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.
Tolman introduced the idea that behavior is influenced by...
246
Purposive Learning01:22

Purposive Learning

121
E. C. Tolman emphasized the purposiveness of behavior — the idea that much of our behavior is goal-directed. For instance, employees who aim for a promotion work diligently to meet their targets. Tolman argued that when classical conditioning and operant conditioning occur, the organism acquires certain expectations. In classical conditioning, a child might fear a dog because they expect it to bite. In operant conditioning, a person might consistently work overtime because they expect a...
121
Generalization, Discrimination, and Extinction01:24

Generalization, Discrimination, and Extinction

572
Generalization, discrimination, and extinction are key concepts in operant conditioning that influence how behaviors are learned and maintained.
Generalization occurs when a behavior reinforced in one context is performed in similar situations. For instance, a student who studies diligently for calculus and receives excellent grades might apply the same study habits to psychology and history, expecting similar results. Generalization shows how learning in one setting can influence behavior in...
572

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相关实验视频

Updated: Jul 9, 2025

Disrupting Reconsolidation of Fear Memory in Humans by a Noradrenergic β-Blocker
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Disrupting Reconsolidation of Fear Memory in Humans by a Noradrenergic β-Blocker

Published on: December 18, 2014

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关联干扰和非强化在人类应急学习中.

Jérémie Jozefowiez1, James E Witnauer2, Jovin Huang3

  • 1Laboratory of Cognitive and Affective Sciences (SCALab UMR CNRS 9193), Université de Lille, Domaine Universitaire de Pont de Bois, Lille, France.

Quarterly journal of experimental psychology (2006)
|December 6, 2023
PubMed
概括

对应情况评估的关联干扰和非增强效应取决于提示结果关系. 间隔干扰在强烈的意外情况中起到最好的作用,而反向干扰在弱势的情况下更好.

关键词:
关联性干扰是一种干扰.应急学习学习应急学习标志干扰干扰的提示间隔的干扰是间隔的干扰.没有加固的非增强材料.

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Investigating the Neural Mechanisms of Aware and Unaware Fear Memory with fMRI
12:51

Investigating the Neural Mechanisms of Aware and Unaware Fear Memory with fMRI

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相关实验视频

Last Updated: Jul 9, 2025

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科学领域:

  • 认知心理学 认知心理学
  • 学习和记忆的学习和记忆
  • 行为科学 行为科学

背景情况:

  • 应急评估对于学习和决策至关重要.
  • 了解干扰和非强化如何影响这种评估是认知模型的关键.

研究的目的:

  • 为了比较关联性暗示干扰和非强化对应急评估的影响.
  • 调查这些效应如何与客观的预示结果偶然性有所不同.

主要方法:

  • 使用了快速审判流媒体程序的变体.
  • 将参与者暴露在刺激流中,并评估他们对提示结果可能性的判断.
  • 检查了主动,间隔和反向干扰,以及潜在的抑制,部分强化和灭绝.

主要成果:

  • 间隔干扰在积极的预示结果突发事件中最有效.
  • 当提示-结果配对很少时,追溯干扰比间隔干扰更有效.
  • 非强化策略 (潜伏抑制,部分强化,灭绝) 的有效性也取决于提示结果对配的数量.

结论:

  • 关联干扰和非强化对意外判断的影响取决于上下文.
  • 灭绝并没有减少一些配对的应急判断,与潜在的抑制和部分强化不同.