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関連する概念動画

Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex.
Subconsciousness and No Awareness01:15

Subconsciousness and No Awareness

The concept of subconscious awareness refers to the processing of information below the level of conscious thought, which significantly influences both behaviors and decisions. It is also known as waking subconscious awareness. This complex level of cognition operates without the direct awareness of the individual, facilitating rapid and simultaneous handling of multiple information streams.
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
Working Memory01:24

Working Memory

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 information.

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関連する実験動画

Updated: May 11, 2026

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
09:37

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

Published on: July 5, 2015

9.6K

空間的注意の間に皮質状態の選択的調節

Tatiana A Engel1,2, Nicholas A Steinmetz3, Marc A Gieselmann4

  • 1Departments of Bioengineering and Electrical Engineering, Stanford University, Stanford, CA, USA. tatiana.engel@stanford.edu.

Science (New York, N.Y.)
|December 10, 2016
PubMed
まとめ

脳活動が自発的にアクティブ (オン) と非アクティブ (オフ) の状態にシフトします. この神経の動態は 特に視覚野では 選択的注意力に影響を与え 行動的パフォーマンスを予測します

さらに関連する動画

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention
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Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention

Published on: September 11, 2017

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Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
06:46

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

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関連する実験動画

Last Updated: May 11, 2026

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
09:37

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

Published on: July 5, 2015

9.6K
Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention
09:48

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention

Published on: September 11, 2017

10.4K
Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
06:46

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

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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:

  • 神経皮質の活動には 固有の変動がある
  • これらの内生的なダイナミクスの目標指向行動への影響はよく理解されていません.

研究 の 目的:

  • 神経皮質の自発的な活動変動と 目標に導かれた行動の関係を調べる
  • 局所的な皮質状態の変化が選択的注意とパフォーマンスを影響するかどうかを判断する.

主な方法:

  • 霊長類の視覚野で ニューラル活動を記録した
  • "オン" (強烈なピーク) と"オフ" (薄弱なピーク) の間の自発的な変動を分析した.
  • 選択的注意のタスク中にこれらのダイナミクスの調節を調べた.
  • 行動パフォーマンスと相関する局所アンサンブル活動フェーズ.

主要な成果:

  • 皮質の各層で自発的な神経活動が 同期した"オン"と"オフ"状態で変動した.
  • これらの"オン・オフ"ダイナミクスは 選択的注意によって局所的に調節された.
  • 局所アンサンブル活動の段階は 行動の結果を予測します

結論:

  • 皮質の状態は 認知の要求に基づいて 局所的に動的に制御されます
  • 皮質状態の局所的な変化は 目標指向の行動に大きく影響します
  • 神経の動態を理解することは 認知機能の説明に不可欠です