Saccades produce errors in locating objects in space.
The question here examined is whether they also produce errors of location in time. Observers judged whether flashed bars appeared before, during, or after saccades, the order of appearance of two bars flashed in sequence, and the apparent interval between two points of light flashed at a SOA of 100 ms. We conclude that perceived time is foreshortened immediately before saccades. This could be due to selective suppression of magnocellular activity and may function to hide saccades and their effects.