BLIND SPOTS: The place in our eye where there are NO PHOTORECEPTORS; it's where the optic nerve leaves and there are no rods/cones to process light
http://jimspages.com/BlindSpot.htm
With color: http://serendip.brynmawr.edu/bb/blindspot2.html
With polka-dots: http://serendip.brynmawr.edu/bb/blindspot5.html
Lots of options: http://faculty.washington.edu/chudler/chvision.html
More: http://www.pbs.org/wgbh/nova/mind/games.html




OPPONENT PROCESS THEORY
OPPOSITE COLORS ARE EXCITED/INHIBITED AT THE BI-POLAR/GANGLION CELL LEVEL
NOTE THE COLOR AFTERIMAGES you perceive after staring at each

1. BIRD IN A CAGE
http://www.exploratorium.edu/seeing/exhibits/bird.html

2. Flag
http://www.sandlotscience.com/Aftereffects/USA_Flag.htm

3. Purple Phaze*THIS ONE IS COOOOOOOL!!!!!!!!
http://www.sandlotscience.com/Aftereffects/Purple_Phaze.htm

4. Phantom Dots
http://www.sandlotscience.com/Aftereffects/Phantom_Dots.htm

5. Shining Light
http://www.sandlotscience.com/Aftereffects/Make_the_Light_Shine.htm



RELATIVE SIZE - Our brain uses this as a "monocular cue" for distance - objects that appear smaller, seem farther away. We also tend to compare images side-by side

Banana Card Illusion
http://www.sandlotscience.com/Distortions/Banana_Cards.htm


Size constancy
http://psych.hanover.edu/Krantz/SizeConstancy/Sizeconstancy.html

COLOR CONSTANCY
Great video-demos! - First watch the video then use the next link to play
WHITE'S ILLUSION VIDEO - http://web.mit.edu/persci/gaz/gaz-teaching/flash/white-movie.swf
White's Illusion again
http://www.sandlotscience.com/Contrast/Whites_Illusion.htm


BRIGHTNESS CONSTANCY
http://www.lottolab.org/articles/illusionsoflight.asp


MANY ILLUSIONS -
http://faculty.washington.edu/chudler/flash/nill.html

STROOP TEST
http://www.math.unt.edu/~tam/SelfTests/StroopEffects.html


Muller Lyer Illusion
http://www.sandlotscience.com/Distortions/Muller_Lyer_Illusion.htm

Poggendorf Illusion II
http://www.sandlotscience.com/Distortions/Poggendorf_Illusion_II.htm

Ponzo Illusion
http://www.sandlotscience.com/Distortions/Ponzo_Illusion.htm

Zollner Illusion II
http://www.sandlotscience.com/Distortions/Zollner_Illusion_II.htm




CrAzY!! Put finger on flashing black/white bar and it seems to stop!
http://www.michaelbach.de/ot/mot_sigma/index.html

CONVERGENCE (and fusion of two images in brain): MAGIC EYE!!!
http://library.thinkquest.org/J002330/
How to do "Magic Eye" http://www.vision3d.com/sgphoto.html

FUN SITES - explore away!!
College-recommended
http://psylux.psych.tu-dresden.de/i1/kaw/diverses%20Material/www.illusionworks.com/index.html

This is a college course in PERCEPTION!!
http://www1.appstate.edu/~kms/classes/psy3203/Topics/topics_S06.htm

SANDLOT SCIENCE - click on PLUS SIGN of optical illusion folder
http://www.sandlotscience.com/SectionMaps/Mother_Section_Map.html

http://www.michaelbach.de/ot/

http://psych.hanover.edu/krantz/tutor.html#Sensation%20and%20Perception

http://www.mofunzone.com/online_games/50_optical_illusions.shtml#

Illusions TED TALKS
http://www.ted.com/talks/beau_lotto_optical_illusions_show_how_we_see.html

http://www.bbc.co.uk/science/humanbody/body/interactives/senseschallenge/senses.swf