Manual tracking enhances smooth pursuit eye movements

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Manual tracking enhances smooth pursuit eye movements.

Previous studies have reported that concurrent manual tracking enhances smooth pursuit eye movements only when tracking a self-driven or a predictable moving target. Here, we used a control-theoretic approach to examine whether concurrent manual tracking enhances smooth pursuit of an unpredictable moving target. In the eye-hand tracking condition, participants used their eyes to track a Gaussia...

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Smooth Pursuit Eye Movements

6 7 Gunnar Blohm, Philippe Lefèvre 8 9 Centre for Neuroscience Studies, Department of Physiology and Faculty of Arts & 10 Science, Queen’s University, Kingston, Ontario, Canada 11 Centre for Systems Engineering and Applied Mechanics (CESAME) and Institute of 12 Neuroscience (IoNS), Université catholique de Louvain, Louvain-la-Neuve, 13 Belgium 14 15 16 17 Corresponding author: Dr. Gunnar Blohm ...

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Conventional feedback control models of the oculomotor system fail to account for the destabilizing effects of neural transmission delays. To address this shortcoming, a linear quadratic tracking algorithm used to control smoothly pursuing eye movements of various target trajectories is presented. Based on the type of input to the system, it is shown that stability, in the presence of large mot...

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At slow speeds, chromatic isoluminant stimuli are perceived to move much slower than comparable luminance stimuli. We investigated whether smooth pursuit eye movements to isoluminant stimuli show an analogous slowing. Beside pursuit speed and latency, we studied speed judgments to the same stimuli during fixation and pursuit. Stimuli were either large sine wave gratings or small Gaussians blobs...

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With accurate measurement of eye position during smooth tracking, comparison of the retinal and perceived paths of spots of light moving in harmonic motion indicates little compensation for smooth pursuit eye movements by the perceptual system. The data suggest that during smooth pursuit. the perceptual system has access to information about direction of tracking. and assumes a relatively low s...

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ژورنال

عنوان ژورنال: Journal of Vision

سال: 2015

ISSN: 1534-7362

DOI: 10.1167/15.15.11