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

Direction-of-motion discrimination with complex patterns: further observations.

G B Henning1, A M Derrington

  • 1SRI/David Sarnoff Research Center, Princeton, New Jersey 08540.

Journal of the Optical Society of America. A, Optics and Image Science
|October 1, 1988
PubMed
Summary

Briefly presenting a stimulus with two gratings can cause illusory backward motion. This visual perception error occurs when the higher spatial frequency component moves, suggesting motion detector interactions.

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

Sensory thresholds obtained from MEG data: cortical psychometric functions.

NeuroImage·2012
Same author

Two-dimensional pattern motion analysis uses local features.

Vision research·2012
Same author

Masking effect produced by Mach bands on the detection of narrow bars of random polarity.

Journal of the Optical Society of America. A, Optics, image science, and vision·2004
Same author

The effect of stimulus height on visual discrimination in horses.

Journal of animal science·2003
Same author

Behaviour of marmoset monkeys in a T-maze: comparison with rats and macaque monkeys on a spatial delayed non-match to sample task.

Experimental brain research·2003
Same author

Contrast discrimination with pulse trains in pink noise.

Journal of the Optical Society of America. A, Optics, image science, and vision·2002

Area of Science:

  • Visual perception
  • Motion detection
  • Spatial frequency

Background:

  • Stimulus motion can lead to misjudgments in perceived direction.
  • Illusory motion is a phenomenon where perceived movement differs from actual movement.

Purpose of the Study:

  • To investigate the conditions under which illusory backward motion occurs.
  • To compare illusory motion with classical induced-motion paradigms.
  • To explore the underlying mechanisms of motion perception errors.

Main Methods:

  • Presenting a stimulus with two sinusoidal gratings of the same orientation.
  • Varying the movement (smooth or discrete) and presentation duration of one component (higher spatial frequency).
  • Measuring the speed of illusory motion using a cancellation technique.

Related Experiment Videos

Main Results:

  • Observers reported motion in the opposite direction when the higher spatial frequency component moved during brief presentations.
  • Illusory backward motion was observed for both smooth and discrete movements.
  • The illusory motion effect was comparable in direction, though smaller in magnitude, to classical induced-motion effects.

Conclusions:

  • Errors in motion direction judgment may arise from interactions between motion detectors sensitive to different spatial frequencies.
  • The findings contribute to understanding the complex interplay of visual cues in motion perception.
  • This research sheds light on the neural basis of visual illusions related to motion.