Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

High-fidelity but hypometric spatial localization of afterimages across saccades.

Science advances·2026

Same author

Feedback of peripheral saccade targets to early foveal cortex.

eLife·2026

Same author

Microsaccades Do Not Give Rise to a Conscious Feeling of Agency for Their Sensorimotor Consequences in Visual Perception.

Journal of cognition·2025

Same author

Early visual signatures and benefits of intra-saccadic motion streaks.

PLoS computational biology·2025

Same author

The magnitude and time course of pre-saccadic foveal prediction depend on the conspicuity of the saccade target.

eLife·2025

Same author

Lawful kinematics link eye movements to the limits of high-speed perception.

Nature communications·2025

Same journal

In This Issue.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same journal

Correction for Otsuki et al., Extracellular sulfatases support cartilage homeostasis by regulating BMP and FGF signaling pathways.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same journal

Hive mind: Microbial communities and the making of memory.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same journal

Targets for disease modification in schizophrenia: New findings add to evidence for the involvement of the immune complement system.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same journal

Correction for Wang et al., The role of reduced aerosol masking from air pollutant emission reductions in recent global warming acceleration (2013-2023).

Proceedings of the National Academy of Sciences of the United States of America·2026

Same journal

Correction for Mishra, Ecology is not yet ready for AI-and why that matters.

Proceedings of the National Academy of Sciences of the United States of America·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jan 10, 2026

Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram

Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram

Published on: March 13, 2018

Object continuity through invisible retinal motion at saccadic speed.

Melis Ince^1,2, Carolin Hübner³, Martin Rolfs^1,2

¹Department of Psychology, Humboldt-Universität zu Berlin, Berlin 10099, Germany.

Proceedings of the National Academy of Sciences of the United States of America

|November 20, 2025

Summary

This summary is machine-generated.

Even invisible retinal motion during saccadic eye movements helps maintain object continuity. This research clarifies how the brain tracks objects across rapid gaze shifts, crucial for visual perception.

Keywords:

active vision eye movements object correspondence perception visual cognition

More Related Videos

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

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

Related Experiment Videos

Last Updated: Jan 10, 2026

Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram

Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram

Published on: March 13, 2018

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

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

Area of Science:

Neuroscience
Vision Science
Perception

Background:

Saccadic eye movements cause rapid visual scene shifts.
Establishing object correspondence across fixations is a key challenge in visual perception.
Extraretinal signals are traditionally thought to aid this process.

Purpose of the Study:

To isolate the role of retinal motion in object correspondence during saccades.
To determine if high-speed retinal motion, even when invisible, influences object continuity.
To differentiate the contribution of retinal motion from extraretinal signals.

Main Methods:

Utilized submillisecond video projection to control visual stimuli.
Employed a quartet motion display to study long-distance object correspondence.
Introduced high-speed motion at saccadic speeds to test motion visibility and correspondence bias.

Main Results:

High-speed motion visibility decreased to chance levels during saccades.
Despite being invisible, high-speed retinal motion significantly biased object correspondence.
Retinal motion proved effective in maintaining object continuity across saccadic shifts.

Conclusions:

Retinal motion alone is sufficient to support object continuity across saccadic image shifts.
Extraretinal signals may not be the sole mechanism for maintaining object correspondence during saccades.
This finding advances our understanding of visual processing during dynamic eye movements.