LABScI Vision Lab

Afterimages

• Stare at the small white circle in the middle of the picture for about 15 seconds without blinking
• Move the mouse cursor over the picture to turn the picture white
• Stare at the white background. You should see an afterimage of the four squares floating over the white background

References:

http://faculty.washington.edu/chudler/after.html

• Color Vision
• Afterimages
• Hollow Face