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

Static depth cues do affect the perceived direction of motion.

L Mowafy1

  • 1Department of Psychology, Vanderbilt University, Nashville, TN 37240.

Perception
|January 1, 1990
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

Optical specification of time-to-passage: observers' sensitivity to global tau.

Journal of experimental psychology. Human perception and performance·1993
Same author

Temporal factors in the discrimination of coherent motion.

Perception & psychophysics·1992
Same author

The detectability of geometric structure in rapidly changing optical patterns.

Perception·1991
Same author

The perception of mirror-reflected objects.

Perception·1991
Same author

Detection and discrimination of coherent motion.

Perception & psychophysics·1990
Same author

Anne Roe: the making of a scientist.

Journal of the history of the behavioral sciences·1988

Visual perception can use 3D depth cues to influence motion analysis. Studies show that motion in depth can be perceived, affecting velocity judgments based on stereoscopic information.

Area of Science:

  • Visual neuroscience
  • Perception psychology
  • Computational vision

Background:

  • Traditional models of motion perception rely on retinal coordinates.
  • The role of three-dimensional (3D) coordinate information in motion perception is not fully understood.
  • Investigating how depth cues influence the perception of motion is crucial for understanding visual processing.

Purpose of the Study:

  • To investigate if static stereoscopic depth cues can induce the perception of motion in depth.
  • To determine if 3D disparity information affects motion analysis beyond retinal angular displacement.
  • To examine how different stereoscopic contexts influence perceived velocity.

Main Methods:

  • Observers judged the relative velocity of a horizontally translating monocular element within static random-dot stereogram contexts.

Related Experiment Videos

  • Two experiments were conducted: one comparing sloped surfaces vs. fronto-parallel planes, and another examining fronto-parallel planes at varying disparities.
  • Velocity constancy principles were used to predict judgment errors if motion in depth was perceived.

    • Main Results:

    • An increase in perceived velocity was observed for elements moving within a sloped surface stereoscopic context compared to a fronto-parallel plane.
    • Similar patterns were found when comparing surfaces of different inclines.
    • Depth differences in fronto-parallel planes did not systematically alter velocity judgments.

    Conclusions:

    • Motion analysis can be influenced by 3D disparity information, not solely by retinal angular displacement.
    • Stereoscopic depth cues can contribute to the perception of motion in depth.
    • The visual system integrates both depth and motion information, challenging purely retinal-based motion models.