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 Experiment Videos

Sequential stereopsis: a simple demonstration

J T Enright1

  • 1Neurobiology Unit, Scripps Institution of Oceanography, La Jolla, CA 92093, USA.

Vision Research
|January 1, 1996
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Climate and population regulation : The biogeographer's dilemma.

Oecologia·2017
Same author

Sleep movements of leaves: In defense of Darwin's interpretation.

Oecologia·2017
Same author

Mach bands and airplane shadows cast on dry terrain.

Applied optics·2010
Same author

Are the electroencephalograms mainly rhythmic? Assessment of periodicity in wide-band time series.

Neuroscience·2003
Same author

Monocularly programmed human saccades during vergence changes?

The Journal of physiology·1998
Same author

On the "cyclopean eye": saccadic asymmetry and the reliability of perceived straight-ahead.

Vision research·1998
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

Sequential stereopsis, using rapid eye movements, significantly improves 3D distance perception for widely separated targets. This method enhances depth discrimination when traditional stereopsis is impaired.

Area of Science:

  • Vision Science
  • Perceptual Psychology

Background:

  • Humans often use sequential eye movements for judging 3D distances to widely spaced objects.
  • This strategy, termed sequential stereopsis, involves comparing visual disparities before and after eye movements.

Purpose of the Study:

  • To demonstrate the effectiveness of sequential stereopsis in challenging viewing conditions.
  • To quantify the performance of sequential stereopsis with high-spatial-frequency textured targets.

Main Methods:

  • Utilized back-and-forth eye movements (saccades) between targets separated by 8-10 degrees.
  • Employed high-spatial-frequency textured targets, foveally resolvable but peripherally degraded.
  • Measured disparity thresholds under conditions where classical stereopsis is compromised.

Related Experiment Videos

Main Results:

  • Sequential stereopsis enabled accurate 3D distance discrimination despite degraded classical stereopsis.
  • Average disparity thresholds were below 45 arc seconds, indicating high precision.
  • Performance achieved was among the best reported for such widely separated targets.

Conclusions:

  • Sequential stereopsis is a robust visual strategy for depth perception, particularly effective when classical stereopsis fails.
  • The study highlights the importance of eye movements in achieving precise 3D spatial awareness.