Optokinetic Stimulation
Optokinetic Stimulation - Related Videos
04:02
Optokinetic Response Assay: A Method to Measure Visual Acuity in Zebrafish
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2023
This video describes the optokinetic response assay in zebrafish. The video measures the reflexive eye movements based on the visual moving stimulus and determines the visual acuity in zebrafish.
11:02
Combining Transcranial Magnetic Stimulation and fMRI to Examine the Default Mode Network
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Cited by 17 •
2010
In this article, we examine the methodology and considerations relevant to the combination of TMS and fMRI to examine the effects of brain stimulation on the default network.
08:59
Using the optokinetic response to study visual function of zebrafish
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Cited by 34 •
2010
Optokinetic response has been widely used to assess the visual functions of larval zebrafish. Nevertheless, the standard protocol for larval fish is not yet readily applicable in adults1-5. Here, we introduce how to measure the OKR of adult zebrafish using a new protocol which is established in our lab.
09:28
Quantification of Visual Feature Selectivity of the Optokinetic Reflex in Mice
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Cited by 1 •
2023
Here, we describe a standard protocol for quantifying the optokinetic reflex. It combines virtual drum stimulation and video-oculography, and thus allows precise evaluation of the feature selectivity of the behavior and its adaptive plasticity.
04:56
The Optokinetic Response as a Quantitative Measure of Visual Acuity in Zebrafish
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Cited by 45 •
2013
Zebrafish have been a valuable tool for many research areas. Here we demonstrate a method to elicit a visual response and calculate a functional visual acuity in the adult zebrafish.
FAQs
The alternating eye-movement phases are central to what optokinetic stimulation reveals. During the slow phase, the eyes track the moving pattern, while the rapid phase returns them in the opposite direction. Examining this repeating sequence allows investigators to evaluate how visual motion signals are converted into coordinated gaze responses and how effectively gaze remains stabilized during scene movement.
Different neural levels contribute distinct parts of the response. Retinal signals register the changing visual pattern, visual motion pathways process that movement, and brainstem circuits participate in organizing the eye movements. Considering these components together helps neuroscience studies connect an observed behavioral response with processing across the retina, motion-sensitive pathways, and motor-control regions.
Optokinetic stimulation is especially informative when visual and vestibular influences must be considered together. The response provides a way to examine how vision interacts with the vestibular system during gaze control, rather than treating visual motion processing as isolated. This makes the paradigm relevant to questions about visual-vestibular function and the neural basis of stable viewing during movement.
A basic investigation presents a moving visual pattern across the participant’s visual field and examines the resulting eye behavior. Researchers can evaluate the slow tracking phase and the rapid resetting phase as a coordinated response. This general approach supports studies of gaze control, motion perception, and visual-vestibular function while keeping the stimulus and eye response directly linked.
The paradigm can reveal how the nervous system processes visual motion, maintains gaze, and coordinates eye movements with relevant vestibular signals. Its response links stimulus motion to oculomotor behavior, allowing researchers to examine motion perception and gaze-control function within a common neuroscience framework. These outcomes help characterize interactions among sensory processing and eye-movement systems.
Abnormal responses can indicate that visual-motion processing, brainstem control, gaze regulation, or vestibular function is operating differently. Clinicians and researchers use these differences to investigate neurological or vestibular disorders. Interpretation remains system-level because the observed eye movement reflects interactions among the retina, visual motion pathways, brainstem, and vestibular system rather than a single isolated structure.