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Although we can clearly separate smooth pursuit from the vestibulo-ocular reflex, we can not always draw a clear separation between smooth pursuit and other tracking eye movements like the slow phase of the optokinetic nystagmus and the ocular following response (OFR), discovered in 1986 by Miles, Kawano, and Optican, [17] which is a transient ...
Eye movement includes the voluntary or involuntary movement of the ... Pursuit movement or smooth pursuit is the movement the eyes make while tracking an object's ...
Though slow nystagmus closely resembles smooth pursuit eye movements, it is distinct; several species that do not exhibit smooth pursuit nonetheless have slow nystagmus during OKR (though in humans, it is possible to substitute slow nystagmus for smooth pursuit during a version of OKR referred to as "look nystagmus", in which subjects are ...
In contrast, in smooth-pursuit movements, the eyes move smoothly instead of in jumps. [2] Controlled cortically by the frontal eye fields (FEF), or subcortically by the superior colliculus, saccades serve as a mechanism for focal points, rapid eye movement, and the fast phase of optokinetic nystagmus. [1]
The smooth pursuit movement can move the eye at up to 100°/s in adult humans. It is more difficult to visually estimate speed in low light conditions or while moving, unless there is another point of reference for determining speed.
Conjugate eye movements can be in any direction, and can accompany both saccadic eye movements and smooth pursuit eye movements. [1] Conjugate eye movements are used to change the direction of gaze without changing the depth of gaze. This can be used to either follow a moving object, or change focus entirely.
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