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相关概念视频

Working Memory01:24

Working Memory

156
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...
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Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

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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...
199
Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

744
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...
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Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

418
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...
418
Long-Term Memory01:18

Long-Term Memory

152
Long-term memory is a relatively permanent type of memory, capable of storing vast amounts of information over extended periods. Its storage capacity is generally considered unlimited.
Long-term memory can be categorized into two primary types: explicit and implicit memory. Explicit memory, also known as declarative memory, involves the conscious recollection of information that we deliberately try to remember, recall, and articulate. This type of memory encompasses specific facts, events, and...
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System of Memory01:23

System of Memory

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Memory is categorized into three major systems: sensory memory, short-term memory (STM), and long-term memory (LTM). These systems differ in their capacity and the duration for which they can hold information. Sensory memory captures raw sensory input from the environment, holding it for just a few seconds or less. For example, on hearing a brief, loud sound, like a car horn honking, the sound seems to linger in the mind for a moment even after it stops. This is an instance of sensory memory...
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相关实验视频

Updated: Jun 26, 2025

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
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Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment

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当负载较低时,工作记忆被屏蔽于长期记忆的影响.

Lea M Bartsch1, Gidon T Frischkorn1, Peter Shepherdson2

  • 1Univeristy of Zurich, CH.

Journal of cognition
|May 20, 2024
PubMed
概括
此摘要是机器生成的。

情节性长期记忆 (eLTM) 影响工作记忆 (WM) 只有当WM容量超过时. 这项研究揭示了记忆相互作用发生在高认知负载下,通过主动干扰和促进影响表现.

关键词:
长期记忆 长期记忆 长期记忆积极主动地促进促进.主动干扰是一种主动干扰.工作记忆 工作记忆

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Last Updated: Jun 26, 2025

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
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Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment

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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.
  • 记忆研究 记忆研究

背景情况:

  • 众所周知,情节性长期记忆 (eLTM) 可以提高工作记忆 (WM) 的性能.
  • WM使用eLTM的确切机制和条件尚不清楚.
  • 根据相关性,先前的知识可以有利于或阻碍WM性能.

研究的目的:

  • 调查工作记忆 (WM) 在哪些条件下依赖于情节性长期记忆 (eLTM).
  • 确定 eLTM 是否仅在超出 WM 容量时才会影响 WM 性能.
  • 检查主动干扰 (PI) 和主动促进 (PF) 在LTM和WM之间的相互作用中的影响.

主要方法:

  • 进行了四项实验,参与者首先学习特定的项目,然后执行工作记忆任务.
  • 在不同的工作记忆负载下评估了参与者的表现.
  • 这项研究分析了以前学习的项目 (来自 eLTM) 对口头和视觉任务中的即时记忆表现的影响.

主要成果:

  • 工作记忆 (WM) 的表现因在低WM负载下添加来自情节性长期记忆 (eLTM) 的刺激而受损.
  • 只有当WM容量超过时,才观察到LTM和WM之间的相互作用.
  • 主动干扰 (PI) 和主动促进 (PF) 效应在即时记忆表现中只有在语言和视觉任务中的更高设置大小时才明显.

结论:

  • 情节性长期记忆 (eLTM) 促进工作记忆 (WM) 性能,主要是在WM容量受到压力时.
  • LTM和WM之间的信息交换是负载依赖的,只有在高认知需求下才会发生.
  • 主动记忆效应在WM运行在或超出其容量限制时显著影响即时回忆.