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Our eyes are constantly in motion. Even during visual fixation, small eye movements continually jitter the location of gaze. It is known that visual percepts tend to fade when retinal image motion is eliminated in the laboratory. However, it has long been debated whether, during natural viewing, fixational eye movements have functions in addition to(More)
In a moving agent, the different apparent motion of objects located at various distances provides an important source of depth information. While motion parallax is evident for large translations of the agent, a small parallax also occurs in most head/eye systems during rotations of the cameras. A similar parallax is also present in the human eye, so that a(More)
In experimental studies of visual performance, the need often emerges to modify the stimulus according to the eye movements performed by the subject. The eye-movement-contingent display (EMCD) methodology enables accurate control of the position and motion of the stimulus on the retina. EMCD procedures have been used successfully in many areas of vision(More)
— In the eyes of many species, the optical nodal points of the cornea and lens do not lie on the axes of rotation of the eye. During eye movements, this lack of alignment produces depth information in the form of an oculomotor parallax. That is, a redirection of gaze shifts the projection of an object on the retina by an amount that depends not only on the(More)
—Researchers in robotics and artificial intelligence have often looked at biology as a source of inspiration for solving their problems. From the opposite perspective, neuroscientists have recently turned their attention to the use of robotic systems as a way to quantitatively test and analyze theories that would otherwise remain at a speculative stage.(More)
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