関連する実験動画
Updated: Jan 29, 2026

10:32
Development of a Virtual Reality Assessment of Everyday Living Skills
Published on: April 23, 2014
19.0K
ブラジリアン柔術における認知機能とスキルレベル:仮想現実を用いた探索的研究
Tomas Peric1, Stanislav Novicichin2, Łukasz Rydzik3
1Faculty of Sport, University of Presov, Presov, Slovakia.
Frontiers in sports and active living
|January 28, 2026
まとめ
仮想現実(VR)はブラジリアン柔術(BJJ)アスリートの認知機能を評価しました。サンプルサイズが小さいため、専門家はより高い精度と遅い反応時間を示しましたが、結果は予備的です。
科学分野:
- スポーツ科学
- 認知神経科学
- ヒューマンパフォーマンス
背景:
- 格闘技のパフォーマンスは、プレッシャー下での認知的適応性に依存します。
- 仮想現実(VR)は、アスリートの認知機能を評価するための潜在的なツールです。
- 既存のVRタスクは、反応時間や精度などの基本的な指標に焦点を当てることが多く、高次の機能には焦点を当てていません。
研究 の 目的:
- 異なる専門レベルのブラジリアン柔術(BJJ)アスリートの認知機能を比較すること。
- BJJにおける認知パフォーマンスを評価するためのVRの使用を探索すること。
- BJJ経験と認知測定値の関係を調査すること。
主な方法:
- プロ(茶帯/黒帯)とセミプロ(青帯/紫帯)のグループに分けられた10人の男性BJJ実践者。
- VRベースの認知テストで反応時間、精度、空間認識を測定しました。
- グループ間の統計的比較のためにMann-Whitney U検定を使用しました。
主要な成果:
- プロのBJJアスリートは、セミプロのアスリートと比較して、意思決定の精度が高く、反応時間が遅いことを示しました。
- セミプロのアスリートは、運動応答のばらつきが大きいことを示しました。
- サンプルサイズが小さいため、注意深い解釈が必要ですが、いくつかの統計的に有意な差が観察されました。
結論:
- 予備的な傾向は、プロが精度と遅い反応時間で優れている可能性を示唆していますが、根本的なメカニズムは検証されていません。
- この研究のサンプルサイズが小さく、探索的なデザインであるため、経験と認知機能の間の因果関係を推論することはできません。
- VRは評価ツールとして可能性を示していますが、BJJの認知パフォーマンスに対する特定の有用性はさらなる検証が必要です。
関連する概念動画
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...
37.5K
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy
408
This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
408
Virtual Work
1.4K
The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
1.4K
Levels of Organization
140.4K
Biological organization is the classification of biological structures, ranging from atoms at the bottom of the hierarchy to the Earth's biosphere. Each level of the hierarchy represents an increase in complexity that builds upon the previous level.
Molecules Are Composed of Atoms, and Biomolecules Are Assembled from Molecules:
The most basic levels include atoms, molecules, and biomolecules. Atoms, the smallest unit of ordinary matter, are composed of a nucleus and electrons. Molecules...
Molecules Are Composed of Atoms, and Biomolecules Are Assembled from Molecules:
The most basic levels include atoms, molecules, and biomolecules. Atoms, the smallest unit of ordinary matter, are composed of a nucleus and electrons. Molecules...
140.4K
Leveling Effect
1.4K
In acid-base chemistry, the leveling effect refers to the limitation imposed by the solvent on the strength of acids and bases in solution. When a base stronger than the solvent's conjugate base is used, it deprotonates the solvent until the base is entirely consumed, making it ineffective against weaker acids. Conversely, an acid stronger than the solvent's conjugate acid protonates the solvent until the acid is depleted, rendering it ineffective against weaker bases. Essentially, the...
1.4K
Principle of Virtual Work: Problem Solving
1.7K
The principle of virtual work is an essential concept in the field of mechanics and engineering. This is used to solve problems related to the equilibrium of a structure or system. It is based on the assumption that if a system is in equilibrium, the work done by all the forces during a virtual displacement is zero. This principle is applied by considering virtual displacements of the system and the corresponding work done by internal and external forces.
To apply the principle of virtual work,...
To apply the principle of virtual work,...
1.7K

