Eye Movements and Visual-Vestibular Interactions during Linear Head Motion
Eye Movements and Visual-Vestibular Interactions during Linear Head Motion
Reflex eye movements occur during linear head movements to maintain ocular fixation on visual targets. Some theoretical considerations and experimental findings are presented in this chapter to support a compensatory role for the LVOR. The discussion is limited to primates since their visual-vestibular interactions and target fixation are improved by binocular foveate vision and depth perception. It is concluded that three LVORS — the horizontal response to IA motion, the vertical response to DV motion, and both the horizontal and vertical responses to 5 Hz NO motion — show characteristics consistent with the kinematics of ideal compensatory eye movements that help maintain stable “target” fixation.
Keywords: vision, head movements, visual-vestibular interactions, depth perception, eye movements, visual targets, target fixation
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