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関連する概念動画

System of Memory01:23

System of Memory

7.5K
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...
7.5K
Working Memory01:24

Working Memory

927
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...
927
Integration of Synaptic Events01:28

Integration of Synaptic Events

4.2K
Synaptic integration mainly includes the summation of graded potentials. Graded potentials, regardless of their type, cause subtle alterations in membrane voltage, resulting in either depolarization or hyperpolarization. These incremental changes, when combined or summed, can propel the neuron toward its threshold. Consider, for example, a membrane experiencing a +15 mV shift, causing it to depolarize from -70 mV to -55 mV. In this scenario, graded potentials govern the membrane's ability to...
4.2K
Long-Term Memory01:18

Long-Term Memory

701
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...
701
Traumatic Memory01:20

Traumatic Memory

593
Emotionally traumatic events often lead to memories that are exceptionally vivid and enduring, sometimes persisting with remarkable clarity throughout an individual's life. A classic example of this phenomenon is a person who survives a car accident. Even years later, they may recall every detail of the event with startling accuracy — the screeching of the tires, the jarring impact, and the acrid smell of burning rubber. Such vividness contrasts sharply with how an individual...
593
Repressed Memory01:16

Repressed Memory

529
Repressed memories are a psychological phenomenon where memories of traumatic events are unconsciously blocked from a person's awareness. This process occurs as a defense mechanism, protecting the mind from the emotional impact of distressing or painful experiences. For example, a person who has experienced childhood trauma may grow up with no conscious recollection of the event. In such cases, the memories are thought to be buried deep within the subconscious, inaccessible to the conscious...
529

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関連する実験動画

Updated: Feb 13, 2026

A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
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A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder

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セマンティックな知識と階層的なイベント構造は,時間的な順序のための記憶を支えるものです.

Yining Ding1, Jeffrey M Zacks1

  • 1Department of Psychological and Brain Sciences, Washington University in St. Louis.

Journal of experimental psychology. Learning, memory, and cognition
|February 12, 2026
PubMed
まとめ

階層的なイベント構造と事前の知識は,日常活動における時間順序記憶を大幅に改善します. これは,再構築記憶が単純なアイテム関連を超えて複数の情報源に依存することを示唆しています.

科学分野:

  • 認知心理学とは,認知心理学である.
  • 神経科学は神経科学である.
  • 記憶の研究 記憶の研究

背景:

  • イベントセグメンテーションは,アイテムレベルの結合メカニズムをリセットすることによって,タイムオーダーメモリを構造化します.
  • 前の研究によると,単一の文脈内のアイテムの記憶は,文脈の間の記憶よりも優れていることが示されています.
  • 日常のシナリオには,記憶に影響を与えるかもしれない複雑なイベント構造と典型的な時間順序が含まれています.

研究 の 目的:

  • 日常活動における記憶における階層的なイベント構造と典型的な時間順序の知識の役割を調査する.
  • イベントの粒度度の異なるレベルの意味学的制約が時間順序記憶に影響するかどうかを判断する.
  • 粗粒度イベントのエピソード記憶が,細粒度イベントの詳細の記憶にどのように影響するか探求する.

主な方法:

  • 参加者は,短い (2.5分) と長い (20分) の遅延の後,ナレーションされた日常活動内のアクションの時間順序を思い出しました.
  • 実験では,細粒子のアクションレベルと粗粒子のアクティビティレベルの両方で意味秩序の制約を操作しました.
  • 追加の実験では,シリアルリコール・チャンキング,リコール・オーガナイゼーションに対する意味学的制約の影響,および粗雑なエピソード記憶の使用を調査した.

主要な成果:

さらに関連する動画

Investigating the Effects of Antipsychotics and Schizotypy on the N400 Using Event-Related Potentials and Semantic Categorization
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Investigating the Effects of Antipsychotics and Schizotypy on the N400 Using Event-Related Potentials and Semantic Categorization

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Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold
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Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold

Published on: October 23, 2015

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関連する実験動画

Last Updated: Feb 13, 2026

A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
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A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder

Published on: April 12, 2018

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Investigating the Effects of Antipsychotics and Schizotypy on the N400 Using Event-Related Potentials and Semantic Categorization
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Investigating the Effects of Antipsychotics and Schizotypy on the N400 Using Event-Related Potentials and Semantic Categorization

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Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold
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Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold

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  • 細粒度または粗粒度レベルのセマンティック・オーダー制約は,両方の遅延でタイムオーダーメモリを改善しました.
  • いくつかの状況では,イベントの間の時間的な順序に関する記憶は,イベント内の記憶を上回り,以前の発見に異議を唱えた.
  • シリアルリコールが,粗雑なレベルのイベントメンバーシップによって組織され,意味学的制約がリコールシーケンスを支援しました.
  • 参加者は,意味論的制約が存在しないときに,細粒子の記憶を導くために,粗粒子のエピソード記憶を使用しました.

結論:

  • 階層的なイベント構造と事前の知識は,再構築記憶の組織化と構築に重要な役割を果たします.
  • タイム・オーダー・メモリは,微細な単位間のエピソード的関連にのみ基づくのではなく,複数の情報源を統合します.
  • イベントの階層と典型的なシーケンスを理解することは,過去の経験の時間的なダイナミクスの記憶を強化し,将来の計画を支援します.