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関連する概念動画

Framing Effects03:26

Framing Effects

Information is everywhere and its presentation—such as how and when items are presented—can impact our perceptions and decisions surrounding the info. This broad concept umbrellas framing effects—influences that occur due to the way information is framed in its appearance, whether it’s purely the order or the specific wording of a message. Let’s take a look at numerous ways in which two versions of something can objectively say the same thing, yet we respond in different ways based on the...
Perception of Sound Waves01:01

Perception of Sound Waves

The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same frequency...
Sensation01:21

Sensation

Sensory receptors are specialized neurons that respond to specific types of external stimuli, initiating the process known as sensation. This occurs when sensory input, such as light entering the eye, is detected by these receptors, causing chemical changes in the cells of the retina. These cells then convert the sensory stimulus into action potentials that are transmitted to the central nervous system, a process termed transduction.
Absolute thresholds can quantify the sensitivity of sensory...
Perception01:28

Perception

Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
Subliminal Perception01:15

Subliminal Perception

Subliminal perception refers to the processing of sensory information that occurs below the level of conscious awareness. Researchers study subliminal perception by presenting a stimulus, such as a word or image, very quickly, typically around 50 milliseconds. This rapid presentation is often followed by another stimulus, such as a pattern of dots or lines, which blocks further mental processing of the initial stimulus. As a result, if participants cannot identify the initial stimulus better...
Factors Affecting Perception01:25

Factors Affecting Perception

Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...

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Updated: May 11, 2026

Observation and Analysis of Blinking Surface-enhanced Raman Scattering
05:52

Observation and Analysis of Blinking Surface-enhanced Raman Scattering

Published on: January 11, 2018

認識される明るさは,時間的な文脈に依存します.

David M Eagleman1, John E Jacobson, Terrence J Sejnowski

  • 1Department of Neurobiology and Anatomy, University of Texas, Houston Medical School, 6431 Fannin Street, Suite 7.046, Houston, Texas 77030, USA. david.eagleman@uth.tmc.edu

Nature
|April 16, 2004
PubMed
まとめ
この要約は機械生成です。

時間の文脈は,知覚された明るさに影響を与えます. 短い閃光は,近くの恒定の輝度パッチに対する増加した発現アシンクロニーで提示されたときにより明るく見え,新しい明るさの錯覚を明らかにします.

さらに関連する動画

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects
07:36

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

Published on: November 30, 2018

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes
09:27

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes

Published on: January 19, 2024

関連する実験動画

Last Updated: May 11, 2026

Observation and Analysis of Blinking Surface-enhanced Raman Scattering
05:52

Observation and Analysis of Blinking Surface-enhanced Raman Scattering

Published on: January 11, 2018

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects
07:36

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

Published on: November 30, 2018

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes
09:27

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes

Published on: January 19, 2024

科学分野:

  • 視覚的知覚 視覚的な知覚
  • 神経科学は神経科学である.
  • 心理物理学 心理物理学とは

背景:

  • 明るさの知覚は複雑で,空間的な文脈と高レベルの解釈の影響を受けます.
  • 現存するモデルでは,時間因子が明るさをどのように調節するかを完全に説明できません.

研究 の 目的:

  • 時間の関係が知覚された明るさに影響する新しい明るさの錯覚を調査するために.
  • この時間的な文脈効果の基礎となる神経機構を探求する.

主な方法:

  • 空間的に隣接する恒定照明のパッチに沿って,短いターゲットフラッシュを提示します.
  • ターゲットフラッシュとコンテキストパッチの間の開始アシンクロニティを操作します.
  • 異なる時間条件下で知覚された明るさを評価する.

主要な成果:

  • ターゲットフラッシュの知覚された明るさは,より大きな開始アシンクロニーで増加しました.
  • この幻想的な明るさの増幅は,同時コントラスト,網膜効果,マスク,表面的運動,または注意力効果によって説明できない.
  • 明るさの知覚に対する時間的な文脈効果が実証されました.

結論:

  • 視覚システムは時間的な文脈を利用して明るさをコードし,既存のモデルに挑戦します.
  • 証拠によると,視覚野の皮質で2つの並列の非適応と適応の視覚ストリームが明るさの情報を処理していることが示唆されています.