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関連する概念動画

Working Memory01:24

Working Memory

137
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...
137
Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

170
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...
170
Chunking01:12

Chunking

60
Chunking is a powerful cognitive technique that improves short-term memory retention by organizing information into smaller, more manageable units. The brain, limited by working memory capacity, can more easily process and store information when it is divided into "chunks" rather than presented as discrete, unrelated elements. Chunking is especially useful when dealing with large amounts of information, such as numerical sequences, words, or complex ideas.
The principle behind chunking...
60
Encoding01:19

Encoding

133
Information enters the brain through encoding, which is the input of information into the memory system. Once sensory information is received from the environment, the brain labels or codes it. The information is then organized with similar information and connected to existing concepts. Encoding occurs through automatic processing and effortful processing.
Automatic processing involves the encoding of details like time, space, frequency, and the meaning of words, usually done without conscious...
133
Elaborative Rehearsals01:07

Elaborative Rehearsals

80
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...
80

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Updated: Jun 8, 2025

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

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断続的なレート・コーディングとキュー特有のアンサンブルは,作業メモリをサポートする.

Matthew F Panichello1, Donatas Jonikaitis2, Yu Jin Oh2

  • 1Department of Neurobiology and Howard Hughes Medical Institute, Stanford University, Stanford, CA, USA. mfp2@stanford.edu.

Nature
|November 7, 2024
PubMed
まとめ
この要約は機械生成です。

作業記憶は 持続的なニューロンの発火だけに 依存しないかもしれません 代わりに,情報は

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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
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Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
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関連する実験動画

Last Updated: Jun 8, 2025

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
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Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
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科学分野:

  • 神経科学
  • 認知神経科学
  • システム神経科学

背景:

  • 作業記憶は伝統的に 持続的な神経回路に結びついています
  • 新しい証拠は"活動無音"のシナプスメカニズムも役割を果たす可能性があることを示唆しています.
  • 以前の研究方法論の限界のために論争がある.

研究 の 目的:

  • 作業記憶中の記憶力学的情報のダイナミクスを調査する.
  • 持続的なスパイクと 活動のないメカニズムとの議論を解決する
  • 横断前頭皮質における単一試験の集団動態を分析する.

主な方法:

  • 猿の側前頭前神経細胞の大群から同時に記録された.
  • 作業記憶のタスク中に単一の試行でメモリ情報ダイナミクスを分析しました.
  • 神経細胞の活動と機能的接続パターンを調べました

主要な成果:

  • 記憶の遅延の間,集団のスパイク活動では記憶情報が持続しなかった.
  • 情報は調整された"オン"と"オフ"状態で交替する.
  • ニューロン同士の機能的な接続は "オフ"状態で記憶情報を伝達する.

結論:

  • 作業記憶はシナプスメカニズムと共に 断続的なスパイク活動を含みます
  • この発見は 持続的なニューロンの発火に 依存していることに 異議を唱えるものです
  • スパイキングとシナプス活動を統合したハイブリッドモデルが作業記憶のために提案されています.