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

Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

510
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.
510
Gestalt Principles of Perception01:21

Gestalt Principles of Perception

271
Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
271
Parallel Processing01:20

Parallel Processing

143
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...
143
Factors Affecting Perception01:25

Factors Affecting Perception

1.4K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
1.4K

You might also read

Related Articles

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

Sort by
Same author

Layer-specific changes in sensory cortex across the lifespan in mice and humans.

Nature neuroscience·2025
Same author

Objective priming from pre-imagining inputs before binocular rivalry presentations does not predict individual differences in the subjective intensity of imagined experiences.

Cognition·2024
Same author

Flicker adaptation improves acuity for briefly presented stimuli by reducing crowding.

Journal of vision·2024
Same author

Predicting the subjective intensity of imagined experiences from electrophysiological measures of oscillatory brain activity.

Scientific reports·2024
Same author

The everchanging Sky-Tower - an apparent giant.

Perception·2023
Same author

What is the true range of mental imagery?

Cortex; a journal devoted to the study of the nervous system and behavior·2023
Same journal

Editorial for VSI Amblyopia: Advances in Amblyopia Research.

Vision research·2026
Same journal

Computational and mathematical models in vision: Quantitative approaches to understanding visual perception.

Vision research·2026
Same journal

Complex interactions between lightness, chroma, and hue in color ensemble perception.

Vision research·2026
Same journal

Driving with autism spectrum disorder: Exploring the impact of tactile hazard warnings on gaze behavior and hazard responses.

Vision research·2026
Same journal

Early visual processing in adults with ADHD: evidence from contrast sensitivity, spatial integration, and external noise.

Vision research·2026
Same journal

Pupil reflexes generate the peripheral drift illusion due to ON/OFF motion responses.

Vision research·2026
See all related articles

Related Experiment Video

Updated: May 25, 2025

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
09:49

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

24.7K

Closely matched comparisons suggest that separable processes mediate contextual size illusions.

Xinran A Yu1, Livia F Fischer1, Dietrich S Schwarzkopf1

  • 1School of Optometry & Vision Science, University of Auckland, New Zealand.

Vision Research
|February 25, 2025
PubMed
Summary
This summary is machine-generated.

Visual illusions like Ebbinghaus and Delboeuf share mechanisms, but Mueller-Lyer does not. Experimental design significantly impacts illusion measurements, affecting their relationship to neural processing.

Keywords:
CorrelationsCortical distanceDiscriminationExperimental designIllusionsPerceptionPrimary visual cortexPsychophysicsSpatial visionSubjective

More Related Videos

How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners
09:52

How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners

Published on: May 31, 2018

7.7K
Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects
07:36

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

Published on: November 30, 2018

15.6K

Related Experiment Videos

Last Updated: May 25, 2025

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
09:49

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

24.7K
How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners
09:52

How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners

Published on: May 31, 2018

7.7K
Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects
07:36

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

Published on: November 30, 2018

15.6K

Area of Science:

  • Visual perception
  • Psychophysics
  • Neuroscience

Background:

  • Theories suggest visual illusions (Ebbinghaus, Delboeuf, Ponzo, tilt) depend on cortical distance.
  • Conflicting psychophysical studies question this unifying hypothesis.
  • Discrepancies may stem from methodological variations in illusion research.

Purpose of the Study:

  • Investigate if methodological differences explain conflicting findings on visual illusions.
  • Examine the correlations between Ebbinghaus, Delboeuf, Ponzo, and Mueller-Lyer illusions.
  • Assess the impact of experimental parameters on illusion magnitude measurement.

Main Methods:

  • Conducted a battery of visual size illusion and discrimination tasks.
  • Utilized a forced-choice design with matched geometric properties.
  • Varied stimulus presentation (duration, fixation) and measurement methods (adjustment vs. forced-choice).

Main Results:

  • Strong correlation found between Ebbinghaus and Delboeuf illusion magnitudes.
  • Ponzo illusion magnitude correlated with Ebbinghaus and Delboeuf, but less so.
  • Mueller-Lyer illusion magnitude did not correlate with other illusions or line discrimination ability.
  • Brief stimulus presentation with central fixation significantly affected Ebbinghaus illusion measurements.
  • Forced-choice procedures were more reliable than adjustment for measuring illusion magnitude.

Conclusions:

  • Different visual tasks may probe distinct perceptual processes.
  • Illusion measurement reliability is influenced by experimental design.
  • Methodological choices are critical when linking perceptual effects to neural processing.