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Perceptual Constancy

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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Related Experiment Video

Updated: Apr 17, 2026

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

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

Published on: March 18, 2019

Probing perceptual performance after microsaccades

Xiaoguang Tian¹, Chih-Yang Chen²

¹Graduate School of Neural and Behavioural Sciences, International Max Planck Research School, Tuebingen, 72074 Germany, and Werner Reichardt Centre for Integrative Neuroscience, Tuebingen, 72076 Germany.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience

|February 21, 2015

Summary

No abstract available in PubMed .

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