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

Anatomy of the Eyeball01:20

Anatomy of the Eyeball

The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle layer, the vascular tunic,...
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.
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,...
Visual System01:26

Visual System

Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
Vision01:24

Vision

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.
Parallel Processing01:20

Parallel Processing

The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...

You might also read

Related Articles

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

Sort by
Same author

Spatial remapping improves reading with simulated central field loss.

Journal of vision·2026
Same author

Assessment of newly designed fonts for visual accessibility.

PloS one·2026
Same author

Preserved Contrast Sensitivity in Early and Intermediate Age-Related Macular Degeneration and Marked Loss in Late Stage: ALSTAR2.

Investigative ophthalmology & visual science·2026
Same author

Screening Questions to Identify Low Vision and Acuity-Defined Legal Blindness.

Investigative ophthalmology & visual science·2026
Same author

The Path from Depressive Symptoms to Subjective Well-Being Among Korean Young Adults During the COVID-19 Pandemic: Mediating Roles of Housing Satisfaction, Social Capital, Future Achievement Readiness, and Occupational Hazards.

Healthcare (Basel, Switzerland)·2025
Same author

VI-OCR: "Visually Impaired" optical character recognition pipeline for text accessibility assessment.

Scientific reports·2025

Related Experiment Video

Updated: May 30, 2026

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

Spatial-frequency cutoff requirements for pattern recognition in central and peripheral vision.

Miyoung Kwon1, Gordon E Legge

  • 1Department of Psychology, University of Minnesota, Elliott Hall, 75 East River Rd., Minneapolis, MN 55455, USA. kwon0064@umn.edu

Vision Research
|August 23, 2011
PubMed
Summary
This summary is machine-generated.

Peripheral vision requires higher spatial frequencies for object recognition than central vision. This difference impacts reading and face recognition, especially for those with central vision loss.

More Related Videos

Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes
06:25

Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes

Published on: February 23, 2024

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 30, 2026

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

Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes
06:25

Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes

Published on: February 23, 2024

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:

  • Vision Science
  • Neuroscience
  • Perception

Background:

  • Object recognition depends on specific spatial frequencies.
  • Individuals with central vision loss often struggle with reading and face recognition due to reliance on peripheral vision.
  • Peripheral vision may have higher spatial cutoff requirements, potentially explaining functional deficits.

Purpose of the Study:

  • To investigate differences in spatial cutoff requirements for letter and face recognition between central and peripheral vision.
  • To determine if these differences can be explained by the contrast sensitivity function (CSF).

Main Methods:

  • Letters and celebrity faces were blurred using low-pass filters.
  • Recognition accuracy was measured across varying cutoff frequencies to determine critical cutoffs (minimum cutoff for 80% accuracy).
  • An ideal-observer model incorporating empirical CSF measurements was used to analyze central/peripheral differences.

Main Results:

  • Critical cutoffs increased by 20% for letter recognition and 50% for face recognition from central to peripheral vision.
  • The ideal-observer model successfully accounted for these central/peripheral differences.
  • The findings suggest that stimulus information, limited by the human CSF and internal noise, explains the observed cutoff requirements.

Conclusions:

  • Peripheral vision has higher spatial frequency requirements for recognizing letters and faces compared to central vision.
  • These differences are largely explained by the contrast sensitivity function (CSF) and internal noise.
  • Understanding these visual processing differences is crucial for individuals with central vision impairments.