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関連する概念動画

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...
963

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関連する実験動画

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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Published on: July 29, 2025

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作業記憶におけるモダリティー独立の記憶に関するニューラルエビデンス

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
まとめ

ワーキングメモリ (WM) ストレージは,感覚入力に関係なく,保持されているアイテムの数を追跡するモダリティに独立したニューラルシグネチャーを持っています. この発見は,コンテンツメンテナンスと認知制御プロセスを区別する理論を支持する.

キーワード:
EEG について聴覚的な作業記憶認知能力文脈による拘束力デコードポインタ視覚的な作業メモリ作業メモリ

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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

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科学分野:

  • 認知神経科学
  • 神経科学
  • 心理学について

背景:

  • 作業記憶 (WM) は知的能力に不可欠です.
  • 伝統的な見解では 情報の種類と感覚の様式に基づいて 異なる記憶システムを提案しました
  • 最近の研究では 視覚的なアイテムを記憶するための コンテンツ独立の神経活動が示唆されています

研究 の 目的:

  • WMストレージのアイテムベースのニューラルシグネチャーを調査します.
  • このシグネチャーが視覚的および聴覚的様式に一般化しているかどうかを判断します.
  • WM負荷のためのモダリティー独立の神経信号を探求する.

主な方法:

  • 2つの脳波 (EEG) 実験が行われました.
  • 多変量分析法が用いられた.
  • 刺激モード,WM負荷,空間的注意をインデックスする神経パターンを分析した.

主要な成果:

  • 異なる神経パターンが特定されました.
  • これらのパターンは,刺激の様式とWM項目の数を独立して追跡した.
  • WM ストレージの負荷に対するモダリティー独立の信号が観察されました.

結論:

  • WM記憶のためのアイテムベースのニューラルシグネチャは,感覚の様式を超えて存在します.
  • この署名は,モダリティー独立の拘束プロセスを反映しています.
  • 記憶の維持と認知制御の区別を 支持しています