Luminance Variations

Figures below are interactive. Following actions enable animation

Flicker symmetric @ 0.05 - 0.5 Hz🔗

Flicker symmetric @ 0.5 - 3 Hz🔗

Left flicker @ 0.5 Hz, right no flicker -- match speed🔗

Left and right same move speed, right no flicker -- highest "silenced" flicker rate🔗

Simplified version, less crowding (1 column)🔗

Simplified version, less crowding (3 columns)🔗

Phi motion🔗

There is no real motion, but the change in background elicits illusory (small) motion in each dot.

No motion🔗

The dots do not move (illusory or otherwise), but background change as in phi motion is present.

Copyright Aravind Battaje. Page created: Mar 29, 2023; last updated: Jul 20, 2023.