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相关概念视频

Working Memory01:24

Working Memory

167
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
167
Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

430
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
430
Cognitive Learning01:21

Cognitive Learning

243
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...
243

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相关实验视频

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行动后果指导视觉工作记忆的使用.

Andre Sahakian1, Surya Gayet1, Chris L E Paffen1

  • 1Helmholtz Institute, Utrecht University.

Journal of experimental psychology. Learning, memory, and cognition
|February 8, 2024
PubMed
概括

行动后果影响视觉工作记忆 (VWM) 的使用. 更高的处罚减少了错误,使人们更加谨慎,但并没有改善记忆储存. 当行动具有严重后果时,VWM信息被更谨慎地使用,而不是更好地存储.

科学领域:

  • 认知心理学 认知心理学
  • 神经科学是一个神经科学.
  • 人与计算机的交互

背景情况:

  • 视觉工作记忆 (VWM) 暂时存储对指导行动至关重要的视觉信息.
  • 动作后果在VWM利用中的作用经常被忽视.
  • 了解VWM如何适应不同的行动环境是解释其功能作用的关键.

研究的目的:

  • 调查行动后果的严重程度是否会影响VWM中的内存编码和利用.
  • 区分错误成本与信息可访问性对VWM性能的影响.
  • 为了确定VWM在高风险条件下是否使用更谨慎或存储更有效.

主要方法:

  • 使用在线复制任务,要求参与者复制视觉显示.
  • 操纵错误成本 (5秒对0.5秒的罚款) 和采样成本 (5秒对0.5秒的检查时间).
  • 检查实例和复制错误的量化,以评估VWM战略和准确性.

主要成果:

  • 错误成本增加导致错误减少,但没有改变信息检查的数量.
  • 增加的抽样成本大大减少了信息检查和增加了错误.
  • 行动后果影响了VWM信息使用的谨慎性,而不是存储的信息量.

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结论:

  • 行动后果调节了VWM信息利用的谨慎性,促进了对不确定的数据采取行动的不情愿.
  • 与行动后果不同的是,信息可访问性影响了VWM采样信息的数量.
  • 通过根据潜在的行动结果调整谨慎度来优化VWM性能,而不是增强内存编码本身.