
Briefly presented stimuli occurring just before or during a saccadic eye movement are mislocalized, leading to a compression of visual space toward the target of the saccade. In most cases this has been measured in subjects over-trained to perform a stereotyped and unnatural task where saccades are repeatedly driven to the same location, marked by a highly salient abrupt onset. Here, we asked to what extent the pattern of perisaccadic mislocalization depends on this specific context. We addressed this question by studying perisaccadic localization in a set of participants with no prior experience in eye-movement research, measuring localization performance as they practiced the saccade task. Localization was marginally affected by practice over the course of the experiment and it was indistinguishable from the performance of expert observers. The mislocalization also remained similar when the expert observers were tested in a condition leading to less stereotypical saccadic behavior-with no abrupt onset marking the saccade target location. These results indicate that perisaccadic compression is a robust behavior, insensitive to the specific paradigm used to drive saccades and to the level of practice with the saccade task.
Eye movement, Practice, Spatial compression, Eye Movements, Neurosciences. Biological psychiatry. Neuropsychiatry, Spatial Compression, saccades, practice, Perisaccadic Mislocalization, eye movements, spatial compression, Eye movements; Perisaccadic mislocalization; Practice; Saccades; Spatial compression; Neuroscience., Saccade, Saccades, eye movements; perisaccadic mislocalization; practice; saccades; spatial compression, Perisaccadic mislocalization, perisaccadic mislocalization, Eye movements; Perisaccadic mislocalization; Practice; Saccades; Spatial compression; Neuroscience, RC321-571, Neuroscience
Eye movement, Practice, Spatial compression, Eye Movements, Neurosciences. Biological psychiatry. Neuropsychiatry, Spatial Compression, saccades, practice, Perisaccadic Mislocalization, eye movements, spatial compression, Eye movements; Perisaccadic mislocalization; Practice; Saccades; Spatial compression; Neuroscience., Saccade, Saccades, eye movements; perisaccadic mislocalization; practice; saccades; spatial compression, Perisaccadic mislocalization, perisaccadic mislocalization, Eye movements; Perisaccadic mislocalization; Practice; Saccades; Spatial compression; Neuroscience, RC321-571, Neuroscience
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