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

Central inhibitory interactions in human vision.

V Virsu, H Taskinen

    Experimental Brain Research
    |July 11, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Visual masking affects line perception. Inhibition between orientation detectors influences how we see angles, impacting both contrast thresholds and perceived orientation in the human visual system.

    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

    Self-reported causes for referral to dental treatment under general anaesthesia (DGA): a cross-sectional survey.

    European archives of paediatric dentistry : official journal of the European Academy of Paediatric Dentistry·2013
    Same author

    Serum lipid fatty acids and temporal processing acuity in children with oral clefts.

    Prostaglandins, leukotrienes, and essential fatty acids·2006
    Same author

    Serum lipid fatty acids, phonological processing, and reading in children with oral clefts.

    Prostaglandins, leukotrienes, and essential fatty acids·2005
    Same author

    Temporal order and processing acuity of visual, auditory, and tactile perception in developmentally dyslexic young adults.

    Cognitive, affective & behavioral neuroscience·2002
    Same author

    [Can intelligence be increased with drugs?].

    Duodecim; laaketieteellinen aikakauskirja·2002
    Same author

    Hirschsprung disease, mental retardation and dysmorphic facial features in five unrelated children.

    Clinical dysmorphology·2001
    Same journal

    Molecular links between reelin downregulation, topoisomerase IIβ alterations, and proteins involved in Alzheimer pathology in human SH-SY5Y neuroblastoma cell line.

    Experimental brain research·2026
    Same journal

    Motor cortex excitability during spine shape-judgment in adolescent idiopathic scoliosis: a TMS motor evoked potential study.

    Experimental brain research·2026
    Same journal

    Trajectory dynamics and endpoint accuracy in targeted ballistic contractions.

    Experimental brain research·2026
    Same journal

    Exploring Sevoflurane promotes hippocampal neuron mitophagy in elderly postoperative cognitive dysfunction by HSP90AA1 based on network pharmacology.

    Experimental brain research·2026
    Same journal

    Loading modulates monosynaptic transmission from spindle primary afferents to motoneurons in humans.

    Experimental brain research·2026
    Same journal

    Energy-dependent cortical injury thresholds in high-frequency transcortical electrical stimulation: a biophysical study in a rat model.

    Experimental brain research·2026
    See all related articles

    Area of Science:

    • Visual perception
    • Neuroscience
    • Psychophysics

    Background:

    • Understanding visual processing, particularly how the brain integrates information from different stimuli, is crucial.
    • Lateral inhibitory interactions are proposed mechanisms in visual processing, but their role in orientation perception requires further investigation.

    Purpose of the Study:

    • To investigate the effects of a simultaneously presented line segment (masking line) on the contrast threshold and perceived orientation of a test line segment.
    • To compare these effects under monoptic (same eye) and dichoptic (opposite eye) masking conditions.

    Main Methods:

    • Participants viewed a test line segment and a masking line segment presented simultaneously.
    • The angle between the lines, their relative positions, and the masking condition (monoptic or dichoptic) were varied.

    Related Experiment Videos

  • Contrast thresholds and perceived orientation of the test line were measured.

    • Main Results:

    • Masking lines elevated contrast thresholds and altered perceived orientation for the test line, with similar effects in both monoptic and dichoptic conditions.
    • The magnitude of these effects varied with the angle between the lines, peaking around 15 degrees.
    • Effects diminished as the distance between the lines increased.

    Conclusions:

    • The similarity between monoptic and dichoptic masking effects suggests lateral inhibitory interactions within the central visual system.
    • These interactions likely involve neural units responsible for contour orientation perception.
    • The findings support the hypothesis that inhibition between orientation detectors contributes to the perceptual expansion of acute angles.