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相关概念视频

Working Memory01:24

Working Memory

179
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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Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

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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...
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Understanding Memory01:19

Understanding Memory

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Memory is the retention of information or experiences over time, facilitated through three main processes: encoding, storage, and retrieval. Encoding is the process of inputting information into the memory system. For instance, when listening to a lecture, watching a play, reading a book, or having a conversation, the brain is actively encoding information. This initial stage involves transforming sensory input into a form that can be processed and stored by the brain. Various factors, such as...
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Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

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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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Long-Term Memory01:18

Long-Term Memory

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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: Jul 11, 2025

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)

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当工作记忆可能只是工作,而不是记忆时.

Andre Beukers1, Maia Hamin2, Kenneth A Norman1

  • 1Department of Psychology, Princeton University.

Psychological review
|November 13, 2023
PubMed
概括
此摘要是机器生成的。

N-back任务可能依赖于情节性记忆 (EM),而不是工作记忆 (WM) 容量. 一个神经网络模型展示了EM如何解释N-back任务性能,包括设置大小效应,而不是WM限制.

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相关实验视频

Last Updated: Jul 11, 2025

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
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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.

背景情况:

  • N-back任务是工作记忆 (WM) 的标准度量,涉及刺激的维护和处理.
  • 性能变化,如设置尺寸效应,通常归因于有限的WM容量.

研究的目的:

  • 为了调查是否情节性记忆 (EM) 保留,而不是WM容量限制,可以解释N-back任务效应.
  • 为N-back任务执行提出一个替代模型.

主要方法:

  • 开发了一个神经网络模型,其中有一个EM组件,但没有WM保留能力.
  • 该模型被训练来执行N-back任务.

主要成果:

  • 该模型成功地复制了人类N-back研究中观察到的设置大小和诱惑效应.
  • 性能通过对EM检索和随后的WM处理的时间区分效应来解释.

结论:

  • N-back任务的性能可能是由与WM交互的EM检索过程驱动的,而不仅仅是WM容量限制.
  • 这挑战了N-back任务作为WM容量的纯度衡量的观点,并突出了WM和EM之间的相互作用.