blelb The visual perception lab

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5 attacks on a red square

Click on square 1 to start the attack. A Java applet appears in a new window.
Read about this illusion of elevation and size.

Click on square 2 to start the attack. A Java applet appears in a new window. Stare at the picture for at least 30 seconds and stop the movement with a click.

Click on square 3 to start the attack. A Java applet appears in a new window.
Read about this colour illusion.
Click on square 4 to start the attack. A GIF animation appears in a new window.
Read about this shape distortion.
Click on square 5 to start the attack. A Java applet appears in a new window.
Read about this shape distortion.
07/11/2003