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Femke Maij, Eli Brenner, Hyung-Chul O. Li, Frans W. Cornelissen, Jeroen B. J. Smeets; The use of the saccade target as a visual reference when localizing flashes during saccades. Journal of Vision 2010;10(4):7. doi: https://doi.org/10.1167/10.4.7.
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© ARVO (1962-2015); The Authors (2016-present)
Flashes presented around the time of a saccade are often mislocalized. Such mislocalization is influenced by various factors. Here, we evaluate the role of the saccade target as a landmark when localizing flashes. The experiment was performed in a normally illuminated room to provide ample other visual references. Subjects were instructed to follow a randomly jumping target with their eyes. We flashed a black dot on the screen around the time of saccade onset. The subjects were asked to localize the black dot by touching the appropriate location on the screen. In a first experiment, the saccade target was displaced during the saccade. In a second experiment, it disappeared at different moments. Both manipulations affected the mislocalization. We conclude that our subjects' judgments are partly based on the flashed dot's position relative to the saccade target.
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