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相关概念视频

Operant Conditioning01:21

Operant Conditioning

1.6K
Operant conditioning, a key concept in behavioral psychology, involves using reinforcement and punishment to alter the likelihood of a behavior being repeated. B.F. introduced this type of conditioning. Skinner focused on voluntary behaviors and the consequences that follow them, influencing whether these behaviors will be strengthened or diminished.
Reinforcement in operant conditioning can be positive or negative, both of which serve to increase the likelihood of a behavior. Positive...
1.6K
Operant Conditioning Intervention01:24

Operant Conditioning Intervention

56
Operant conditioning serves as a foundational principle in therapeutic interventions aimed at modifying maladaptive behaviors. Central to this approach is the notion that behaviors, both adaptive and maladaptive, are learned through reinforcement. By analyzing the environmental factors that reinforce problematic behaviors, clinicians can design interventions to weaken these reinforcements and replace maladaptive behaviors with healthier alternatives.
In operant conditioning, behaviors that are...
56
Reinforcement Schedules01:24

Reinforcement Schedules

144
Positive reinforcement is a powerful method for teaching new behaviors to both animals and humans. B.F. Skinner demonstrated this with his experiments using rats in a Skinner box. When a rat pressed a lever, it received a food pellet. This immediate reward encouraged the rat to repeat the behavior. This method, where a reward follows every instance of the behavior, is known as continuous reinforcement. It is highly effective for establishing new behaviors quickly.
Once a behavior is learned,...
144
Timing and Consequences on Behavior01:08

Timing and Consequences on Behavior

90
In operant conditioning, the timing of reinforcement is crucial. For animals like rats and cats, immediate reinforcement (within a few seconds) is much more effective than delayed reinforcement. For example, a food reward for a rat needs to follow within 30 seconds of pressing a bar to be effective. 
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant...
90
Real-World Application of Classical Conditioning01:15

Real-World Application of Classical Conditioning

553
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...
553
Generalization, Discrimination, and Extinction01:24

Generalization, Discrimination, and Extinction

545
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...
545

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相关实验视频

Updated: Jun 29, 2025

Operant Procedures for Assessing Behavioral Flexibility in Rats
08:30

Operant Procedures for Assessing Behavioral Flexibility in Rats

Published on: February 15, 2015

20.8K

优化应急管理与强化学习的优化.

Young-Geun Kim1,2, Laura Brandt3, Ken Cheung1

  • 1Mailman School of Public Health, Department of Biostatistics, New York, NY, USA.

medRxiv : the preprint server for health sciences
|April 8, 2024
PubMed
概括
此摘要是机器生成的。

应急管理 (CM) 通过使用财务激励来优化物质使用障碍治疗. 新的方法发现了最佳的CM策略,该策略快速增加了中期处理的强化,提高了32%的结果,同时保持了成本.

关键词:
应急管理的管理.强化学习是一种强化学习.药物使用障碍物使用障碍物.

更多相关视频

A Prediction Error-driven Retrieval Procedure for Destabilizing and Rewriting Maladaptive Reward Memories in Hazardous Drinkers
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A Prediction Error-driven Retrieval Procedure for Destabilizing and Rewriting Maladaptive Reward Memories in Hazardous Drinkers

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New Variations for Strategy Set-shifting in the Rat
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New Variations for Strategy Set-shifting in the Rat

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相关实验视频

Last Updated: Jun 29, 2025

Operant Procedures for Assessing Behavioral Flexibility in Rats
08:30

Operant Procedures for Assessing Behavioral Flexibility in Rats

Published on: February 15, 2015

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A Prediction Error-driven Retrieval Procedure for Destabilizing and Rewriting Maladaptive Reward Memories in Hazardous Drinkers
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A Prediction Error-driven Retrieval Procedure for Destabilizing and Rewriting Maladaptive Reward Memories in Hazardous Drinkers

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New Variations for Strategy Set-shifting in the Rat
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New Variations for Strategy Set-shifting in the Rat

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科学领域:

  • 精神病学是一个精神病学.
  • 计算精神病学是一种计算精神病学.
  • 行为经济学是一种行为经济学.

背景情况:

  • 应急管理 (CM) 使用财务激励来改变物质使用障碍 (SUD) 的行为.
  • 关于以奖品为基础的CM方法与以优惠券为基础的CM方法的成本效益的讨论仍在继续.
  • 现有的SUD计算模型往往侧重于参与者对补偿的决策,而不是针对治疗优化的临床决策.

研究的目的:

  • 开发新的计算框架,以优化CM治疗结构.
  • 确定CM参数 (价格概率,升级规则),在预算限制下最大限度地提高治疗结果.
  • 应用先进的强化学习技术来分析临床试验数据以改进CM策略.

主要方法:

  • 开发了新的计算框架,临床医生选择CM结构来加强禁欲.
  • 利用来自强化学习的政策之外的评估来估计不同CM场景的结果.
  • 分析了临床试验网络的数据,以开发新型CM方案的公正估计器.

主要成果:

  • 确定了一个最佳的CM方案,在治疗过程中快速加强强化.
  • 建议的最佳CM政策显示,治疗结果有32%的改善.
  • 这一改进是在保持整体治疗成本的同时实现的.

结论:

  • 开发的框架允许优化CM方案以提高成本效益.
  • 最佳的CM策略包括根据治疗进展动态调整强化强度.
  • 这些发现对临床试验设计和了解SUD的神经生物学有重大影响.