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. 1987;57(1-2):37-45.
doi: 10.1007/BF00318714.

Saccadic eye movements and the detection of fast-moving gratings

H Deubel, T Elsner, G Hauske

Saccadic eye movements and the detection of fast-moving gratings

H Deubel et al. Biol Cybern. 1987.

Abstract

Experiments are presented in which the effect of saccadic eye movements on the visibility of sinusoidal gratings drifting with velocities between 2 deg/s and 400 deg/s is investigated. The results demonstrate that saccades are highly useful for detecting this class of stimuli. Due to a saccade, otherwise subthreshold stimuli become visible as short, distinct flashes of the seemingly stationary pattern. The paper analyzes in detail the dependence of the amount of facilitation on saccade size and relative direction and isolates the additional effect of saccadic suppression. A simple model is proposed which predicts the experimental findings.

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