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関連する概念動画

Cognitive Dissonance01:38

Cognitive Dissonance

37.5K
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
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Sound Intensity00:58

Sound Intensity

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The loudness of a sound source is related to how energetically the source is vibrating, consequently making the molecules of the propagation medium vibrate. To measure the loudness of a source, the physical quantity of interest is the intensity. This is defined as the energy emitted per unit of time per unit of area perpendicular to the sound wave's propagation direction. Since the total energy is greater if the source vibrates for a longer duration and over a larger area, dividing the...
4.9K
Sound Intensity Level00:53

Sound Intensity Level

4.9K
Humans perceive sound by hearing. The human ear helps sound waves reach the brain, which then interprets the waves and creates the perception of hearing. The loudness of the environment in which a person is located determines whether they can distinguish between different sound sources.
The human ear can perceive an extensive range of sound intensity, necessitating the use of the logarithmic scale to define a physical quantity—the intensity level. It is a ratio of two intensities and...
4.9K
Intensity Of Electromagnetic Waves01:22

Intensity Of Electromagnetic Waves

6.0K
The energy transport per unit area per unit time, or the Poynting vector, gives the energy flux of an electromagnetic wave at any specific time. For a plane electromagnetic wave with E0 and B0 as the peak electric and magnetic fields and traveling along the x-axis, the time-varying energy flux can be given by the following equation:
6.0K
Optimal Foraging00:48

Optimal Foraging

14.0K
How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
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Optimization Problems01:26

Optimization Problems

85
Optimization problems often involve identifying maximum or minimum values under specific constraints. A well-known example is determining the longest horizontal pipe that can be moved around a right-angled corner, where a 3-meter-wide hallway meets a 2-meter-wide hallway. This scenario, common in architectural design and industrial transport, can be understood conceptually through geometric and trigonometric reasoning.To visualize the problem, consider the pipe as a straight line that touches...
85

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Updated: Feb 15, 2026

Online Repetitive Transcranial Magnetic Stimulation of Dorsomedial and Dorsolateral Prefrontal Cortex in Cognition Decision Making, and Cognitive Dissonance
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認知負荷下での反応のための電動刺激の強度の最適化.

Felix Jarto1,2, Elaine Corbett3,4, Sigrid Dupan3,5,4

  • 1School of Electrical and Electronic Engineering, University College Dublin, Dublin, Ireland. felix.jarto@ucdconnect.ie.

Journal of neuroengineering and rehabilitation
|February 14, 2026
PubMed
まとめ
この要約は機械生成です。

皮膚経由の電動伸縮刺激は,義肢制御のための視覚的刺激よりも速い反応を提供します. エレクトロタクティルのフィードバックにおけるより大きな強度ステップは,速度と精度の両方を改善し,義肢デバイスの信頼性を高めます.

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科学分野:

  • 神経科学は神経科学である.
  • バイオメディカルエンジニアリング
  • リハビリテーション技術 リハビリテーション技術

背景:

  • 義肢を使用する人は,触覚や自覚のフィードバックが欠如しているため,デバイスの制御のために視力に大きく依存しています.
  • 視力への過度の依存は,認知の負荷を増加させ,制御のパフォーマンスを低下させます.
  • 皮膚経由の電動伸縮刺激は,補足的なフィードバックを提供するための非侵襲的方法であり,閉ループの義肢制御を潜在的に改善します.

研究 の 目的:

  • 刺激関連および環境変数が,電動的刺激に対する反応速度と精度をどのように影響するかを調査する.
  • 電気刺激と視覚刺激に対する反応時間を比較する.
  • 義肢の制御を強化するために,電動的フィードバックの最適なパラメータを決定する.

主な方法:

  • 視覚刺激と電気刺激の反応時間を比較するランダム化反応時間テスト.
  • エレクトロタクティル刺激のための強度差別タスク,刺激のシフトの大きさと認知負荷を操作する.
  • 参加者は,ボタンを押して刺激に反応し,特定のブロックの速度または精度を優先しました.

主要な成果:

  • エレクトロタクティルの刺激は,視覚的刺激と比較して,より速い平均応答時間 (平均50msより速い) を誘発した.
  • エレクトロタクティルの刺激の強度の変化が増加すると,反応の正確性とスピードが著しく改善されます.
  • 認知負荷は応答時間を遅らせますが,正確性には影響しませんでした.

結論:

  • エレクトロタクティルの刺激は,義肢制御の視覚的フィードバックよりも速い.
  • 刺激の強度のシフトは,ちょうど顕著な違いよりも何倍も大きく,迅速で正確な電気回転反応のために必要です.
  • 感知される電気回転の強さのより大きなステップを利用することで,閉ループの義肢制御システムの信頼性を高めることができます.