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関連する概念動画

Visual System01:26

Visual System

1.6K
Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
1.6K
Vision01:24

Vision

59.2K
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
59.2K

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関連する実験動画

Updated: Jan 8, 2026

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

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適応的視覚選択：視覚的注意の予測的制御

Mario Treviño1

  • 1Laboratorio de Plasticidad Cortical y Aprendizaje Perceptual, Instituto de Neurociencias, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico.

Neuroscience and biobehavioral reviews
|December 15, 2025
PubMed
まとめ
この要約は機械生成です。

視覚的注意は、単に刺激に反応するだけでなく、積極的に予測し、仮説を検証することである。固定持続時間やサッケード潜時などの視線行動は、期待や学習などの認知的状態を明らかにし、顕著性から予測的処理へと焦点を移す。

キーワード:
アクティブ推論適応行動皮質フィードバックアイトラッキング視線ダイナミクス予測的処理視覚的注意視覚的優先順位付け

さらに関連する動画

VisualEyes: A Modular Software System for Oculomotor Experimentation
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VisualEyes: A Modular Software System for Oculomotor Experimentation

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Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
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Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

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関連する実験動画

Last Updated: Jan 8, 2026

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

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VisualEyes: A Modular Software System for Oculomotor Experimentation
10:41

VisualEyes: A Modular Software System for Oculomotor Experimentation

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Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

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科学分野:

  • 神経科学
  • 認知科学
  • 計算論的モデリング

背景:

  • 従来のモデルでは、刺激駆動型の顕著性によって視覚的優先順位付けを説明してきた。
  • 新たな証拠は、視線行動における予測的処理の枠組みを支持している。

主な方法:

  • 神経生理学、アイトラッキング、計算論的研究のレビュー。
  • 視線指標（固定持続時間、サッケード潜時、走査線エントロピー）の分析。
  • 実験パラダイム（確率的キューイング、ルール切り替え、不確実性）の検討。

結論:

  • 視覚的注意は、受動的な顕著性検出ではなく、能動的で予測的なプロセスである。
  • 予測的な視線戦略は柔軟であり、発達の初期に現れる。
  • これらの戦略の障害は、神経精神医学的状態において観察される。