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相关概念视频

Working Memory01:24

Working Memory

97
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...
97
Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

118
Improving short-term memory can be achieved through techniques like chunking and rehearsal. Chunking involves organizing information into larger, more manageable units. This technique is particularly useful for information that exceeds the typical memory span of between five and nine items. For instance, logging into an online account with a password like "ta89vq0179gz" involves grouping letters and numbers into three chunks—ta89, vq01, and 79gz. It makes large amounts of...
118
Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

548
Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
548
Elaborative Rehearsals01:07

Elaborative Rehearsals

68
Elaborative rehearsal is a crucial cognitive strategy that strengthens information encoding in long-term memory by making meaningful connections between new data and pre-existing knowledge. This approach contrasts with maintenance rehearsal, which involves simple repetition without delving into the significance of the information. While maintenance rehearsal might temporarily keep information active in short-term memory, it is less effective for long-term retention.
The effectiveness of...
68
Interference and Decay01:16

Interference and Decay

78
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...
78
Explicit Memories01:27

Explicit Memories

70
Explicit memories, also known as declarative memories, are consciously remembered, recalled, and reported. Studying for a chemistry exam involves material that will become part of explicit memory. There are two types of explicit memory: episodic and semantic.
Episodic memory contains information about personally experienced events and is reported as a story. An example of episodic memory is recalling a birthday celebration. This type of memory includes the what, where, and when of an event, as...
70

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相关实验视频

Updated: May 16, 2025

Using Practice Testing, Public Speaking, and Source Monitoring to Examine the Influences of Learning Strategies and Stress on Episodic Memory
07:59

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插曲性记忆对工作记忆支持的强化学习的贡献

Soobin H Hong1, Amy R Zou1, Aspen H Yoo1

  • 1Department of Psychology, University of California, Berkeley.

Journal of experimental psychology. Learning, memory, and cognition
|April 1, 2025
PubMed
概括
此摘要是机器生成的。

情节性记忆 (EM) 在决策中与强化学习 (RL) 和工作记忆 (WM) 一起起起作用. 而不是提高性能,EM似乎引入错误通过回忆过去的选择没有结果.

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A Real-world What-Where-When Memory Test
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Combining Behavior and EEG to Study the Effects of Mindfulness Meditation on Episodic Memory
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Combining Behavior and EEG to Study the Effects of Mindfulness Meditation on Episodic Memory

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相关实验视频

Last Updated: May 16, 2025

Using Practice Testing, Public Speaking, and Source Monitoring to Examine the Influences of Learning Strategies and Stress on Episodic Memory
07:59

Using Practice Testing, Public Speaking, and Source Monitoring to Examine the Influences of Learning Strategies and Stress on Episodic Memory

Published on: June 14, 2019

7.9K
A Real-world What-Where-When Memory Test
09:13

A Real-world What-Where-When Memory Test

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Combining Behavior and EEG to Study the Effects of Mindfulness Meditation on Episodic Memory
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科学领域:

  • 认知神经科学 认知神经科学
  • 计算神经科学是一种神经科学.
  • 行为经济学是一种行为经济学.

背景情况:

  • 强化学习 (RL) 模型解释了基于奖励的决策.
  • 工作记忆 (WM) 和情节性记忆 (EM) 也与RL一起影响学习.
  • 关于EM对学习的具体贡献,特别是关于WM和RL的具体贡献,仍然不清楚.

研究的目的:

  • 调查情节性记忆 (EM) 在强化学习 (RL) 和工作记忆 (WM) 主要存在的决策任务中的作用.
  • 开发新的实验范式来隔离和量化EM对学习的贡献.
  • 了解决策过程中EM痕迹是如何编码和检索的.

主要方法:

  • 设计了两种新的实验范式,使用试验独特的刺激和时间上下文来标记情节性记忆 (EM).
  • 收集行为数据以评估学习和决策表现.
  • 使用计算建模来分析EM痕迹对行为的贡献.

主要成果:

  • 插曲性记忆 (EM) 在与强化学习 (RL) 和工作记忆 (WM) 相结合时,在学习中表现出一贯的弱作用.
  • 电磁刺激并没有提高整体行为表现;相反,参与者表现出错误模式,暗示没有结果的刺激-行动选择的检索.
  • 计算模型证实了过去刺激作用事件的EM痕迹对学习的微小贡献.

结论:

  • 与强化学习 (RL) 和工作记忆 (WM) 相比,情节性记忆 (EM) 对决策的影响有限.
  • 信息编码和从EM检索的方式可能导致决策中的特征性错误.
  • 研究结果提供了关于EM痕迹的格式及其对支持选择行为认知过程的影响的见解.