Figure 20

Demonstration of the effects of rate of visual stimulation on detection of image changes.

A: Steady presentation of a field of light gray disks on a slightly darker background.

B: Same as A except the disks are flashed at a rate of 2.4 S/s and one of the disks is moving an amount equal to its radius. [click "MovieB" below to see this].

C: Same video frames as in B except presented at a rate of 12 S/s (same as frame rate of movie) [click "MovieC" below to see this] MovieB [see Additional file 12] MovieC [see Additional file 5]