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関連する概念動画

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...
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

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.
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...
Perceptual Constancy01:12

Perceptual Constancy

Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...

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関連する実験動画

Updated: Jul 14, 2026

Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

認識され,記憶されるサイズに関する心理学的機能.

R S Moyer, D R Bradley, M H Sorensen

    Science (New York, N.Y.)
    |April 21, 1978
    PubMed
    まとめ

    人民の人民 人民の人民

    科学分野:

    • 認知心理学とは,認知心理学である.
    • 視覚的知覚 視覚的な知覚
    • メモリ研究 メモリ研究

    背景:

    • 認識された物体と記憶された物体の大きさの関係を理解することは,認知科学にとって極めて重要です.
    • 以前の研究では,視覚的知覚とメモリリコールが調査されていますが,サイズ推定機能の直接比較はあまり一般的ではありません.

    研究 の 目的:

    • 認識された対記憶されたオブジェクトサイズの推定を記述する数学的関数を調査し比較する.
    • オブジェクトのサイズが知覚と記憶でどのように表現されるかについて,体系的な違いがあるかどうかを判断する.

    主な方法:

    • 3つの独立した実験が行われ,参加者のグループが別々に参加した.
    • 参加者は,直接的な知覚またはメモリリコールに基づいてオブジェクトのサイズを推定しました.
    • 収集されたサイズ推定データは,パワー関数を使用して数学的にモデル化されました.

    主要な成果:

    • 認識されたものと記憶された両方のオブジェクトサイズ推定からのデータは,パワー関数によってうまく組み込まれました.
    • 信頼性と一貫性のある発見は,記憶されたサイズに対する指数が,知覚されたサイズに対する指数より小さいことでした.
    • これは,認識されたものと比較して記憶されたオブジェクトのサイズ表現の体系的な歪みまたは圧縮を示しています.

    さらに関連する動画

    A Two-interval Forced-choice Task for Multisensory Comparisons
    07:13

    A Two-interval Forced-choice Task for Multisensory Comparisons

    Published on: November 9, 2018

    A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss
    07:12

    A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

    Published on: April 11, 2025

    関連する実験動画

    Last Updated: Jul 14, 2026

    Visualizing Visual Adaptation
    04:43

    Visualizing Visual Adaptation

    Published on: April 24, 2017

    A Two-interval Forced-choice Task for Multisensory Comparisons
    07:13

    A Two-interval Forced-choice Task for Multisensory Comparisons

    Published on: November 9, 2018

    A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss
    07:12

    A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

    Published on: April 11, 2025

    結論:

    • この研究は,知覚と記憶の間のオブジェクトサイズ表現の違いに関する定量的な証拠を提供します.
    • 電力機能は,両方の条件でモデルのサイズを効果的に推定し,一貫したスケーリング差を強調します.
    • これらの発見は,視覚的知覚と記憶のリコールに基礎を置く認知機構のより深い理解に貢献します.