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

Visual Agnosia01:12

Visual Agnosia

Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round end"...
Prosopagnosia01:24

Prosopagnosia

Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
Association Areas of the Cortex01:21

Association Areas of the Cortex

Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
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.

You might also read

Related Articles

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

Sort by
Same author

Optical coherence tomography in pediatric ophthalmology: Insights into ocular development, diagnosis and management of eye diseases.

Progress in retinal and eye research·2026
Same author

Optic Nerve Colobomatous Cyst in an Infant.

JAMA ophthalmology·2026
Same author

The significance of ophthalmological evaluation in the correct diagnosis of pediatric insulin-dependent diabetes mellitus: lessons from novel WFS1 variants.

Diabetes & metabolism·2025
Same author

European Stroke Organisation (ESO) guideline on visual impairment in stroke.

European stroke journal·2025
Same author

Extended optical treatment for children with amblyopia in Europe: the EuPatch trial - Authors' reply.

Lancet (London, England)·2024
Same author

Supervised Automated Kinetic Perimetry (SAKP) Using Simulated Visual Field Data - Presentation of a New Examination Technique.

Klinische Monatsblatter fur Augenheilkunde·2024

Related Experiment Video

Updated: May 21, 2026

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects
11:12

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects

Published on: September 18, 2012

Gaze patterns predicting successful collision avoidance in patients with homonymous visual field defects.

Eleni Papageorgiou1, Gregor Hardiess, Hanspeter A Mallot

  • 1Center for Ophthalmology, Institute for Ophthalmic Research, University of Tübingen, Germany. e_papage@yahoo.com

Vision Research
|June 23, 2012
PubMed
Summary

Patients with homonymous visual field defects (HVFDs) use effective gaze patterns, including increased head and eye movements, to compensate for their blind side in dynamic tasks. This compensatory scanning strategy aids in avoiding collisions and managing visual information.

More Related Videos

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition
07:45

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

Published on: July 21, 2020

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

Related Experiment Videos

Last Updated: May 21, 2026

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects
11:12

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects

Published on: September 18, 2012

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition
07:45

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

Published on: July 21, 2020

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

Area of Science:

  • Neuroscience
  • Ophthalmology
  • Rehabilitation Medicine

Background:

  • Homonymous visual field defects (HVFDs) significantly impair daily functioning, particularly in dynamic environments.
  • Understanding compensatory gaze strategies is crucial for developing effective rehabilitation interventions for HVFD patients.
  • Virtual reality (VR) offers a safe and controlled environment to study visual compensation.

Purpose of the Study:

  • To identify efficient compensatory gaze patterns in patients with HVFDs during a virtual reality collision avoidance task.
  • To compare gaze strategies between patients with adequate (HVFD(A)) and inadequate (HVFD(I)) performance.
  • To elucidate the role of exploratory eye and head movements in compensating for visual field loss.

Main Methods:

  • Thirty patients with HVFDs and 30 controls performed a VR collision avoidance task at two difficulty levels.
  • Patients were subgrouped into adequate (HVFD(A)) and inadequate (HVFD(I)) performers based on collision rates.
  • Eye and head tracking data were analyzed for saccades, fixations, gaze shifts, scanpath length, and gaze eccentricity.

Main Results:

  • HVFD(A) patients exhibited longer saccades, larger gaze eccentricity, more gaze shifts, and longer scanpaths than HVFD(I) patients.
  • Both patient groups showed increased fixations in the affected hemifield.
  • Successful compensation in HVFD(A) patients involved increased exploratory movements towards moving objects on the blind side.

Conclusions:

  • Patients with HVFDs who adapt successfully demonstrate distinct gaze patterns with enhanced exploratory eye and head movements.
  • Gaze scanning is an effective strategy for patients with HVFDs to compensate for visual deficits in dynamic environments.
  • This compensatory scanning facilitates spatial updating and selection of relevant visual information for working memory.