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相关概念视频

Generalization, Discrimination, and Extinction01:24

Generalization, Discrimination, and Extinction

563
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...
563

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相关实验视频

Updated: Jul 5, 2025

A Modified Lean and Release Technique to Emphasize Response Inhibition and Action Selection in Reactive Balance
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刺激的可变性改善了响应抑制训练后的概括性.

Tamara E Moshon-Cohen1,2,3, Noam Weinbach4, Tali Bitan4,5,6,7

  • 1Psychology Department, School of Psychological Sciences, University of Haifa, Abba Khoushy Ave 199, 3498838, Haifa, Israel. tammymoshon@gmail.com.

Psychological research
|January 16, 2024
PubMed
概括

使用随机顺序的各种刺激来练习反应抑制,可以比持续或阻断的练习更有效地提高学习概括性. 随着时间的推移,这种多样化的实践的好处持续存在,与订单效应不同.

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科学领域:

  • 认知心理学 认知心理学
  • 运动学习是指运动学习.
  • 神经科学是一个神经科学.

背景情况:

  • 刺激的变化和练习顺序是影响技能获取和概括的关键因素.
  • 了解这些因素如何影响像响应抑制这样的认知技能,对于优化训练方案至关重要.

研究的目的:

  • 调查刺激变性的影响 (恒定,受阻变量,随机变量) 和练习顺序对反应抑制技能的概括.
  • 检查这些效应的长期保留和工作记忆容量的调节作用.

主要方法:

  • 96名年轻成年人在三个条件下完成了一次Go/No-go任务训练:恒定,变量阻断或变量随机的刺激呈现.
  • 对新的和训练过的刺激立即和训练后24小时进行了评估,以及对不同的反应抑制任务 (停止信号任务) 进行了评估.

主要成果:

  • 与持续训练相比,随机变量和受阻变量的训练导致了对新兴刺激的更好的概括,突出了刺激可变性的好处.
  • 随机变量训练与阻塞变量训练相比显示出更高的概括性,这表明随机顺序呈现的优势.
  • 刺激变化的积极影响在24小时内仍存在,但实践顺序的影响减少了. 工作记忆容量调节了练习顺序的影响.

结论:

  • 随机顺序呈现的可变刺激是最有效的提高一般化反应抑制技能.
  • 这些发现表明,运动学习的原则,特别是可变实践,可以应用于改善认知技能获得和概括.