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相关概念视频

Avoidance Learning and Learned Helplessness01:14

Avoidance Learning and Learned Helplessness

1.7K
Avoidance learning and learned helplessness are critical concepts in understanding behavioral responses to negative stimuli.
Avoidance learning occurs when an organism learns that a specific behavior can prevent an unpleasant outcome. For example, a student who receives a bad grade may start studying harder to avoid future poor grades. This behavior persists even when the negative outcome is no longer present. Avoidance learning is powerful because it maintains behavior in the absence of the...
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Cognitive Learning01:21

Cognitive Learning

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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.
Tolman introduced the idea that behavior is influenced by...
93
Observational Learning01:12

Observational Learning

97
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...
97
Purposive Learning01:22

Purposive Learning

86
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...
86
Associative Learning01:27

Associative Learning

236
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...
236
Virtual Work for a System of Connected Rigid Bodies01:06

Virtual Work for a System of Connected Rigid Bodies

345
Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
Next,...
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相关实验视频

Updated: May 9, 2025

Human Fear Conditioning Conducted in Full Immersion 3-Dimensional Virtual Reality
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团结的CogLearn工具包:验证一个虚拟现实范式,以避免人类学习.

Marina Rodriguez Lopez1, Huaiyu Liu1, Federico Mancinelli2

  • 1UCL Queen Square Institute of Neurology, Wellcome Centre for Human Neuroscience, University College London, London, UK.

Behavior research methods
|April 29, 2025
PubMed
概括
此摘要是机器生成的。

研究人员开发了一个虚拟现实平台来研究避免学习,成功地展示了个人如何在现实的环境中学会逃避有害刺激. 这个新工具有助于理解焦虑和创伤相关疾病.

关键词:
人类的避开学习学习.自然主义的措施自然主义措施.工具包中的工具.虚拟现实范式的范式是虚拟现实.

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相关实验视频

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科学领域:

  • 神经科学是一个神经科学.
  • 心理学 心理学 心理学
  • 虚拟现实 虚拟现实 虚拟现实

背景情况:

  • 避开学习是逃避有害刺激的关键,但不适应的避开是焦虑和创伤障碍的核心.
  • 目前的实验室模型缺乏自然主义的复杂性来研究未经指导的回避行为.
  • 在临床应用中,研究避免学习中获得复杂的运动动作对于临床应用至关重要.

研究的目的:

  • 开发和验证一种新的虚拟现实 (VR) 平台,用于在自然环境中研究避免学习.
  • 创建一个灵活的研究工具,CogLearn工具包,使各种学习实验与不受限制的运动.
  • 评估VR范式在捕捉生态相关的回避行为方面的有效性.

主要方法:

  • 使用CogLearn Unity工具包开发了一个无线VR平台,结合了不舒服的声音 (无条件刺激,美国) 和一个合理的回避行动.
  • 利用了物理上可信的避免行动,并允许虚拟环境中的参与者不受限制地移动.
  • 通过使用探索-确认方法,通过五个独立实验验证实平台.

主要成果:

  • 在所有实验中,参与者成功地获得了回避行为.
  • 在条件刺激 (CS) 呈现期间,从美国位置的平均距离被确定为避免的敏感度量.
  • 与CS相比,CS+的避开率更强,在灭绝阶段的避开率减少但持续.

结论:

  • 开发的VR平台和CogLearn工具包有效地促进了在生态相关条件下避免学习的研究.
  • 该范式为避免行为提供了一个敏感的衡量标准,可以用来研究学习,灭绝和恢复.
  • 这种工具对促进焦虑和创伤相关疾病的研究具有重大潜力.