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相关概念视频

Working Memory01:24

Working Memory

441
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...
441
Storage01:23

Storage

131
A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...
131
Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

293
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...
293
Sensory Memory01:14

Sensory Memory

297
Sensory memory captures information from the environment in its original form for a very brief duration, just long enough to be exposed to visual, auditory, and other senses. This type of memory is detailed and rich but quickly lost unless certain strategies are employed to transfer it into short-term or long-term memory. Sensory information is continuously bombarding the human brain, yet only a small fraction is absorbed, as most of it does not significantly impact daily life. For instance,...
297
Long-Term Memory01:18

Long-Term Memory

250
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...
250
Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

963
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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相关实验视频

Updated: Sep 8, 2025

An Appetitive Spatial Working Memory Task for Mice in a Semi-Automated 8-Arm Radial Maze, Reducing Fearful Memory Association in the Maze
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An Appetitive Spatial Working Memory Task for Mice in a Semi-Automated 8-Arm Radial Maze, Reducing Fearful Memory Association in the Maze

Published on: July 29, 2025

542

在工作记忆中存储模式独立的神经证据

Darius Suplica1, Henry M Jones2, Gisella K Diaz2

  • 1Department of Psychology, The University of Chicago, Chicago, IL 60637, USA.

Current biology : CB
|September 5, 2025
PubMed
概括

工作记忆 (WM) 存储具有独立于模式的神经签名,可以跟踪所持项的数量,无论传感输入. 这一发现支持将内容维护与认知控制过程区分开来的理论.

关键词:
美国电力听觉工作记忆认知能力有关背景的约束性解码方式这些指针视觉工作记忆工作记忆

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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
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Last Updated: Sep 8, 2025

An Appetitive Spatial Working Memory Task for Mice in a Semi-Automated 8-Arm Radial Maze, Reducing Fearful Memory Association in the Maze
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Examining Online Syntactic Processing of Spoken Complex Sentences in Chinese Using Dual-Modal Interference Tasks
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科学领域:

  • 认知神经科学
  • 神经科学
  • 心理学

背景情况:

  • 工作记忆对于智力能力至关重要.
  • 传统观点提出了基于信息类型和感官模式的独特记忆系统.
  • 最近的研究表明,视觉物品存储的内容独立的神经活动.

研究的目的:

  • 调查基于物品的神经特征的WM存储.
  • 确定这种特征是否在视觉和听觉模式中普遍存在.
  • 探索WM负载的模式独立的神经信号.

主要方法:

  • 进行了两次脑电图 (EEG) 实验.
  • 使用多变量分析技术.
  • 分析了指数化刺激方式,WM负载和空间注意力的神经模式.

主要成果:

  • 发现了并行但独立的神经模式.
  • 这些模式独立地跟踪了刺激模式和WM项数.
  • 观察到WM存储负载的模式独立信号.

结论:

  • 基于物体的神经签名用于WM存储存在于各种感官模式中.
  • 这种签名反映了一种独立于模式的约束过程.
  • 这些发现支持记忆内容维护和认知控制之间的区别.