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

364
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...
364
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

391
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
391
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

450
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
450
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

605
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.
605
Relative Motion Analysis - Velocity01:24

Relative Motion Analysis - Velocity

343
A stroke engine has a slider-crank mechanism that converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider.
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
343
Relative Motion Analysis using Rotating Axes - Acceleration01:22

Relative Motion Analysis using Rotating Axes - Acceleration

327
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame. The absolute velocity of point B is determined by adding the absolute velocity of point A, the relative velocity of point B in the rotating frame, and the effects caused by the angular velocity within the rotating frame.
Time differentiation is...
327

You might also read

Related Articles

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

Sort by
Same author

Revealing the benefit of eye motion for acuity under emulated cone loss.

bioRxiv : the preprint server for biology·2026
Same author

Focusing on color: How the eye chooses which wavelength to see best.

Science advances·2026
Same author

Physiological basis of resolution acuity in vision.

Nature communications·2026
Same author

Roadmap on advances in visual and physiological optics.

Journal of optics (2010)·2025
Same author

Optoretinography with actively stabilized adaptive optics optical coherence tomography.

Biomedical optics express·2025
Same author

The Optimal Retinal Locus for High-Resolution Vision in Space and Time.

bioRxiv : the preprint server for biology·2025

Related Experiment Video

Updated: Jun 13, 2025

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

304

A discontinuity in motion perception during fixational drift.

Josephine C D'Angelo1, Pavan Tiruveedhula1, Raymond J Weber2

  • 1Herbert Wertheim School of Optometry and Vision Science, University of California, Berkeley, Berkeley, CA USA.

Biorxiv : the Preprint Server for Biology
|June 12, 2025
PubMed
Summary
This summary is machine-generated.

The human visual system perceives minimal motion during fixational eye drift when stimuli align with retinal slip. However, stimuli moving against eye motion are perceived as moving, a phenomenon influenced by background context.

Keywords:
adaptive opticseye movementsmotion perception

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

4.4K
Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing
06:25

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing

Published on: February 23, 2024

547

Related Experiment Videos

Last Updated: Jun 13, 2025

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

304
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

4.4K
Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing
06:25

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing

Published on: February 23, 2024

547

Area of Science:

  • Vision science
  • Neuroscience
  • Perception

Background:

  • The human visual system normally maintains stable object perception despite constant eye movements.
  • Under specific conditions, such as fixational drift, motion perception can be diminished, especially when image motion aligns with retinal slip.

Purpose of the Study:

  • To investigate whether stimuli moving congruently with retinal slip, even at reduced magnitudes, are perceived as stable.
  • To explore the influence of background reference frames on motion perception during eye drift.

Main Methods:

  • Utilized adaptive optics scanning light ophthalmoscopy to present stimuli.
  • Stimuli movement was contingent to real-time retinal motion.
  • Measured perceived motion under conditions with and without world-fixed background content at varying distances.

Main Results:

  • A distinct threshold in motion perception was observed.
  • Stimuli moving with retinal slip were perceived as having little to no motion, regardless of magnitude.
  • Stimuli moving in the same direction as eye motion were perceived as moving.
  • The effect was reduced when background content was displaced more than 4 degrees from the stimuli.

Conclusions:

  • The visual system exhibits a strong bias towards stability when image motion matches retinal slip during fixational drift.
  • Perception of motion is highly dependent on the relationship between stimulus movement, eye movement, and the presence/distance of background visual cues.