ArticleJournal of neurophysiology2017
Alteration of the microsaccadic velocity-amplitude main sequence relationship after visual transients: implications for models of saccade control.
Article in Journal of neurophysiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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24 citing papers in PubMed.
- Microsaccadic modulation in goal-directed reaching.Journal of vision · 2026Article
- Neurocognitive Processing of Facial Emotion Recognition in Individuals With Depression and Suicidal Ideation: An Eye-Tracking and EEG Study.Alpha psychiatry · 2026Article
- Foveal neurons of the monkey superior colliculus signal trans-saccadic prediction errors.PLoS biology · 2025Article
- Article
- Saccadic "inhibition" unveils the late influence of image content on oculomotor programming.Experimental brain research · 2024Article
- Microsaccade rate activity during the preparation of pro- and antisaccades.Attention, perception & psychophysics · 2023Article
- Perceptual decisions interfere more with eye movements than with reach movements.Communications biology · 2023Article
- Saccadic inhibition during free viewing in macaque monkeys.Journal of neurophysiology · 2023Article
- Superior colliculus saccade motor bursts do not dictate movement kinematics.Communications biology · 2022Article
- Transient neuronal suppression for exploitation of new sensory evidence.Nature communications · 2022Article
- Time-dependent inhibition of covert shifts of attention.Experimental brain research · 2021Article
- A distributed saccade-associated network encodes high velocity conjugate and monocular eye movements in the zebrafish hindbrain.Scientific reports · 2021Article
- Article
- Learning to silence saccadic suppression.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Dissociable Cortical and Subcortical Mechanisms for Mediating the Influences of Visual Cues on Microsaccadic Eye Movements.Frontiers in neural circuits · 2021Review
- Task-Irrelevant Visual Forms Facilitate Covert and Overt Spatial Selection.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2020Article
- Sustained spatial attention accounts for the direction bias of human microsaccades.Scientific reports · 2020Article
- Article
- Memory-guided microsaccades.Nature communications · 2019Article
- Eye Position Error Influence over "Open-Loop" Smooth Pursuit Initiation.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2019Article
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6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Microsaccades occur during gaze fixation to correct for miniscule foveal motor errors. The mechanisms governing such fine oculomotor control are still not fully understood. In this study, we explored microsaccade control by analyzing the impacts of transient visual stimuli on these movements' kinematics. We found that such kinematics can be altered in systematic ways depending on the timing and spatial geometry of visual transients relative to the movement goals. In two male rhesus macaques, we presented peripheral or foveal visual transients during an otherwise stable period of fixation. Such transients resulted in well-known reductions in microsaccade frequency, and our goal was to investigate whether microsaccade kinematics would additionally be altered. We found that both microsaccade timing and amplitude were modulated by the visual transients, and in predictable manners by these transients' timing and geometry. Interestingly, modulations in the peak velocity of the same movements were not proportional to the observed amplitude modulations, suggesting a violation of the well-known "main sequence" relationship between microsaccade amplitude and peak velocity. We hypothesize that visual stimulation during movement preparation affects not only the saccadic "Go" system driving eye movements but also a "Pause" system inhibiting them. If the Pause system happens to be already turned off despite the new visual input, movement kinematics can be altered by the readout of additional visually evoked spikes in the Go system coding for the flash location. Our results demonstrate precise control over individual microscopic saccades and provide testable hypotheses for mechanisms of saccade control in general.
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