Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Perceptual Constancy01:12

Perceptual Constancy

390
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...
390
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

644
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.
644
Accessory Structures of the Eye01:17

Accessory Structures of the Eye

1.5K
Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
1.5K
Vision01:24

Vision

53.2K
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.
53.2K

You might also read

Related Articles

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

Sort by
Same author

Testing a sensory preactivation account of attention guidance from visual working memory.

Journal of experimental psychology. General·2026
Same author

Simon says "stay in touch": Reachability moderates the effect of irrelevant spatial congruence.

Psychonomic bulletin & review·2026
Same author

Saccades to spatially extended objects: The roles of observer goals and part-structure cues in determining within-object landing position.

Journal of vision·2026
Same author

Dissociations and interactions between attention guidance from negative templates maintained in visual working memory and long-term memory.

Cognition·2026
Same author

Perceptual organization is limited in peripheral vision: Evidence from configural superiority.

Journal of vision·2025
Same author

Spatial selectivity in visual detection suffers when attention is divided.

Attention, perception & psychophysics·2025

Related Experiment Video

Updated: Jun 29, 2025

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

Published on: March 18, 2019

7.1K

Saccades to partially occluded objects: Perceptual completion mediates oculomotor control.

Michael L Paavola1,2, Andrew Hollingworth1,3, Cathleen M Moore1,4

  • 1The University of Iowa, Department of Psychological and Brain Sciences, Iowa, United States.

Journal of Vision
|March 28, 2024
PubMed
Summary

Our study shows that eye movements (saccades) to objects use object-level visual information, not just retinal images. This suggests the brain completes unseen object parts to guide gaze.

More Related Videos

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

329
VisualEyes: A Modular Software System for Oculomotor Experimentation
10:41

VisualEyes: A Modular Software System for Oculomotor Experimentation

Published on: March 25, 2011

12.8K

Related Experiment Videos

Last Updated: Jun 29, 2025

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

Published on: March 18, 2019

7.1K
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

329
VisualEyes: A Modular Software System for Oculomotor Experimentation
10:41

VisualEyes: A Modular Software System for Oculomotor Experimentation

Published on: March 25, 2011

12.8K

Area of Science:

  • Cognitive Neuroscience
  • Visual Perception
  • Oculomotor Control

Background:

  • Oculomotor behavior involves directing gaze to extract information from complex scenes.
  • The computation of saccades (rapid eye movements) relies on visual representations.
  • Two hypotheses exist: image-based control and object-based control.

Purpose of the Study:

  • To investigate the nature of visual representations guiding saccades to objects.
  • To differentiate between image-based and object-based oculomotor control hypotheses.
  • To determine if saccades are computed over retinal image data or 3D object representations.

Main Methods:

  • Recording saccade landing positions in a naturalistic search task involving partially occluded objects.
  • Designing experiments to isolate the influence of perceptual completion versus image-based cues.
  • Analyzing saccade landing site biases in relation to object properties and occlusion.

Main Results:

  • Saccade landing positions were biased towards the center of perceptually completed objects.
  • This bias persisted even when strategically disadvantageous.
  • The bias was independent of image-level differences caused by occluders.

Conclusions:

  • Saccade motor programs are computed using object-level representations.
  • These representations include the perceptual completion of occluded surfaces.
  • Visual perception actively constructs object representations that guide oculomotor behavior.