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This project contains the data and a preregistration for a paper with the title "The eyes that bind: Feature integration is not disrupted by saccadic eye movements." Please note: The analysis for Experiment 1 of this paper was pre-registered in March 2018, but we later discovered that the document in the pre-registration does not open easily for everyone to view. Downloading and opening in a text editor should work for most. To make it easier for anyone to view the registration document, we have saved a copy of the text as a pdf and uploaded it to the main project as well. Abstract. Feature integration theory proposes that visual features, such as shape and colour, can only be combined into a unified object when spatial attention is directed to their location in retinotopic maps. Eye movements cause dramatic changes on our retinae, and are associated with obligatory shifts in spatial attention. In two experiments, we measured the prevalence of illusory conjunctions, as a measure of feature integration, for brief stimulus presentation before, during, and after a saccade. Planning and executing a saccade did not itself disrupt feature integration. Motion did disrupt feature integration, leading to an increase in illusory conjunctions. However, retinal motion of an equal extent but caused by saccadic eye movements is spared this disruption, and showed similar rates of conjunction errors as a condition with static stimuli presented to a static eye. The results suggest extra-retinal signals are able to compensate for the motion caused by saccadic eye movements, thereby preserving the integrity of objects across saccades and preventing their features from mixing or mis-binding.
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