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関連する概念動画

Inertial Frames of Reference01:03

Inertial Frames of Reference

9.2K
Newton’s first law is usually considered to be a statement about reference frames. It provides a method for identifying a special type of reference frame: the inertial reference frame. In principle, we can make the net force on a body zero. If its velocity relative to a given frame is constant, then that frame is said to be inertial. So, by definition, an inertial reference frame is a reference frame where Newton's first law holds valid. Newton's first law applies to objects with...
9.2K
Non-inertial Frames of Reference01:27

Non-inertial Frames of Reference

7.7K
A reference frame accelerating or decelerating relative to an inertial frame is a non-inertial frame. To help understand this, consider what taking off in an airplane, turning a corner in a car, riding a merry-go-round, and the circular motion of a tropical cyclone all have in common. All these systems are accelerating, decelerating, or rotating relative to the Earth; hence, they all are non-inertial frames. All these systems exhibit inertial forces, which merely seem to arise from motion,...
7.7K
Major Somatic Sensory Pathways01:28

Major Somatic Sensory Pathways

3.1K
Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the...
3.1K
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

2.2K
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
2.2K
Indirect Motor Pathways01:22

Indirect Motor Pathways

3.7K
The indirect motor or extrapyramidal pathways originate in the brainstem, the lower portion of the brain that connects it to the spinal cord. They consist of several distinct tracts, each with specialized functions. The four main tracts of the indirect motor pathways are the vestibulospinal tract, the reticulospinal tract, the tectospinal tract, and the rubrospinal tract.
The vestibulospinal tract originates in the vestibular nuclei of the brainstem. The vestibular system detects changes in...
3.7K
Equilibrium and Balance01:15

Equilibrium and Balance

6.8K
The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
6.8K

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Updated: Feb 21, 2026

Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
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Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine

Published on: October 27, 2016

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運動バイアスは,視覚的参照フレームと自感的参照フレームの不一致を反映しています.

Tianhe Wang1,2, J Ryan Morehead3, Amber Jiang1,2

  • 1Department of Psychology, University of California, Berkeley, Berkeley, United States.

eLife
|February 19, 2026
PubMed
まとめ
この要約は機械生成です。

目標指向の動きにおける運動バイアスは,空間的表現における不整合から生じ,感覚的または生体力学的エラーから生じません. この発見は,人間の運動制御における体系的なエラーの起源を明らかにします.

キーワード:
計算生物学 計算生物学について人間,人,人,人.モーターバイアス (Motor Bias) とはモーター コントロール コントロール神経科学は神経科学である.自己受容 自己受容 自己受容 自己受容届いたり届いたりします.レファレンス・フレーム・レファレンス・フレームの基準システム生物学 システム生物学視覚的バイアス 視覚的バイアス 視覚的バイアス

さらに関連する動画

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

Published on: August 22, 2025

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Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
09:49

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

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関連する実験動画

Last Updated: Feb 21, 2026

Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
07:05

Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine

Published on: October 27, 2016

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Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

Published on: August 22, 2025

573
Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
09:49

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

26.9K

科学分野:

  • 神経科学は神経科学である.
  • モーター・コントロール・コントロール
  • 計算神経科学とは

背景:

  • 目標指向の動きは,正確な知覚と運動システムに依存しています.
  • これらのシステムのエラーは,系統的なモーターバイアスを含む運動障害につながる可能性があります.
  • これらの体系的なバイアスの正確な起源は,現在進行中の議論の対象です.

研究 の 目的:

  • 運動バイアスの起源を説明する計算モデルを評価する.
  • 運動バイアスが感覚的,または生体力学的要因に起因するかどうかを調査する.
  • 人間の運動における系統的な運動バイアスの主要な原因を特定する.

主な方法:

  • 30年間を網羅した,広範囲にわたるタスクデータの分析.
  • モーターバイアスの様々なコンピューティングモデルの評価.
  • 人間の参加者からの経験的データに対するモデル予測の比較.

主要な成果:

  • モーターバイアスは,モーター計画中に感知された手の位置の誤りから生じません.
  • モーター実行中の生体力学的制約は,モーターバイアスを説明しません.
  • 運動バイアスは主に,目中心と身体中心の位置表現の不一致によって引き起こされます.

結論:

  • 提案された空間表現不整合のモデルは,さまざまな条件における運動バイアスを説明する.
  • これには,手の使い方,運動の種類,スタートポジションの可視性,センサーモーターの適応の変動が含まれます.
  • この発見は,以前の理論に異議を唱え,運動バイアスの統一的な説明を提供している.