Necker RingsNecker rings.
Motion AftereffectA demonstration of the motion aftereffect.
The Lilac ChaserThe lilac chaser is a striking illusion based on the colour aftereffect.
The Hollow Face IllusionThis shows how a rotating hollow face mask always appears convex.
This is copied from another site (see below) for demonstration purposes only. Movie on this site.
This is from Yoshida's web page.
MondrianA demonstration of the effect of illumination colour Mondrian.
Colour-Contingent Motion AftereffectA demonstration of the colour-contingent motion aftereffect .