In this project, we investigate whether and when motion becomes invisible when objects move across the retina. We manipulate the movement speed of the objects to mimic the peak velocity that objects have on the retina during saccades. We use a curvature discrimination task to assess observers' ability to detect the motion.
As in a previously registered study, in which objects followed a simulated saccadic-velocity profile, we predict that visibility is not merely a function of absolute stimulus velocity. Instead, we predict that visibility of a given stimulus velocity depends on the amplitude of the movement.