Color after-effects

Here are examples of color after-effects. Stare at the fixations at the center of each fields for few seconds and you'll perceive a color opposite to the inducter in an otherwise gray background. Note that when you look at the fields successively you will temporarily mix the colors.

Tilt after-effects

Here is an example of tilt after-effect.

Motion after-effects

Here is an example of motion after-effect.