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

A two dimensional model for saccade generation.

D Tweed, T Vilis

    Biological Cybernetics
    |January 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    This study presents a new model for oblique saccades, proposing that the brain uses both inertial and retinotopic coordinates for eye movements. This model explains how straight saccade trajectories are generated, even with unequal muscle strengths.

    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

    "Active" and "passive" learning of three-dimensional object structure within an immersive virtual reality environment.

    Behavior research methods, instruments, & computers : a journal of the Psychonomic Society, Inc·2002
    Same author

    The visuomotor transformation for arm movement accounts for 3-D eye orientation and retinal geometry.

    Annals of the New York Academy of Sciences·2002
    Same author

    Eye position sense contributes to the judgement of slant.

    Vision research·2001
    Same author

    Neural and mechanical factors in eye control.

    Journal of neurophysiology·2001
    Same author

    Distinguishing subregions of the human MT+ complex using visual fields and pursuit eye movements.

    Journal of neurophysiology·2001
    Same author

    Functional MRI activity in the thalamus and occipital cortex of anesthetized dogs induced by monocular and binocular stimulation.

    Canadian journal of veterinary research = Revue canadienne de recherche veterinaire·2001
    Same journal

    Harmonic memory in phasor neural networks.

    Biological cybernetics·2026
    Same journal

    Correction: Decreased spinal inhibition leads to undiversified locomotor patterns.

    Biological cybernetics·2026
    Same journal

    Foundational issues of network models in biology.

    Biological cybernetics·2026
    Same journal

    Dynamical mechanisms for coordinating long-term working memory based on the precision of spike-timing in cortical neurons.

    Biological cybernetics·2026
    Same journal

    Distinct dopaminergic spike-timing-dependent plasticity rules are suited to different functional roles.

    Biological cybernetics·2026
    Same journal

    Fluctuation-response relations for a two-stage population of spiking neurons stimulated by common noise.

    Biological cybernetics·2026
    See all related articles

    Area of Science:

    • Neuroscience
    • Computational Neuroscience
    • Ophthalmology

    Background:

    • Saccades are rapid eye movements crucial for visual perception.
    • Existing models often simplify saccade generation, particularly for oblique movements.

    Purpose of the Study:

    • To develop a computational model for generating oblique saccades.
    • To investigate the coordinate systems involved in saccade control.
    • To explain straight saccade trajectories under varying physiological conditions.

    Main Methods:

    • Extension and modification of a one-dimensional local feedback model.
    • Postulation of a comparator computing motor error as a vector.
    • Inclusion of burst-tonic cell input to motor neurons.
    • Modeling simultaneous activation of multiple comparators.

    Related Experiment Videos

    Main Results:

    • The model generates straight trajectories for centripetal and centrifugal saccades.
    • It accounts for saccade generation with unequal extraocular muscle strengths.
    • It explains experimental results from stimulating the superior colliculus and frontal eye fields.

    Conclusions:

    • The visual system likely uses both inertial and retinotopic coordinates for saccade control.
    • Vectorial computation of motor error is essential for straight saccade trajectories.
    • The existence of multiple comparators suggests topographic motor error computation.