Abstract
Unblurred vision is mandatory for the orderly processing of visual information during eye and head movements; image slip on the retina of only a few degrees per second diminishes visual acuity (Westheimer and McKee, 1975). Several mechanisms have developed to generate slow eye movements which are aimed at preventing blurring of images on the retina during movements. Head movements induce in all mammals slow eye movements, i.e. compensatory eye movements, into the direction opposite to the head movement via the vestibulo-ocular reflex arc (VOR). Movements of large parts of the visual surround or of single objects induce slow eye movements into the direction of the moving pattern. Continuous rotation of the visual surround induces in foveate and afoveate animals a typical repetitive sequence of eye movements, optokinetic nystagmus (OKN). In foveate animals movement of a single target object can elicit smooth pursuit eye movements.KeywordsSmooth PursuitVestibular NucleusOptokinetic NystagmusOptokinetic StimulationVestibular NystagmusThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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