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

Opponent-movement mechanisms in human vision.

C F Stromeyer, R E Kronauer, J C Madsen

    Journal of the Optical Society of America. A, Optics and Image Science
    |August 1, 1984
    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

    Intraorgan and Targeted Nanodelivery in Organ Transplantation of Non-Human Primates.

    American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons·2026
    Same author

    An Assessment of Earth's Climate Sensitivity Using Multiple Lines of Evidence.

    Reviews of geophysics (Washington, D.C. : 1985)·2020
    Same author

    The effects of brain death and ischemia on tolerance induction are organ-specific.

    American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons·2018
    Same author

    Diagnostic Performance of Contrast Enhanced Pulmonary Computed Tomography Angiography for the Detection of Angioinvasive Pulmonary Aspergillosis in Immunocompromised Patients.

    Scientific reports·2017
    Same author

    Clinical value of imaging for lymph nodes evaluation with particular emphasis on ultrasonography.

    Zeitschrift fur Gastroenterologie·2016
    Same author

    A novel approach to measuring cell-mediated lympholysis using quantitative flow and imaging cytometry.

    Journal of immunological methods·2015

    Visual masking studies reveal that motion detection mechanisms are sensitive to component motion differences. High-contrast masks enhance opponent-motion detection, while low-contrast masks lead to independent component detection.

    Area of Science:

    • Visual perception
    • Neuroscience
    • Psychophysics

    Background:

    • Contrast reversal gratings can be synthesized from opposing component gratings.
    • Counterphase gratings serve as suprathreshold masking patterns in visual studies.

    Purpose of the Study:

    • To investigate the detectability of opponent-movement test signals under varying mask contrasts.
    • To explore the sensitivity of visual detection mechanisms to component motion differences.

    Main Methods:

    • Utilizing a synthesized vertical grating with sinusoidally reversing contrast.
    • Employing low spatial frequency, rapidly modulated masks.
    • Presenting test patterns with increments/decrements of component gratings.

    Main Results:

    Related Experiment Videos

    • High-contrast masks significantly facilitate opponent-movement test signal visibility and direction judgment sensitivity.
    • At threshold contrast, test components appear to be detected independently.
    • High-contrast unidirectional gratings mask both same and opposite direction gratings.

    Conclusions:

    • Detection mechanisms exhibit high sensitivity to the difference between opposing motion components.
    • Unidirectional motion detection mechanisms are not solely responsible for suprathreshold moving pattern detection.
    • A model involving directionally selective, opponent-inhibited mechanisms explains the observed phenomena.