What’s the difference between Looking and Seeing?
On this page, you will find several flicker files. Each one contains an original image that loops repeatedly with a modified image. Can you determine what element in each picture has been changed? Not as easy as it sounds…
After you’ve tried a few, read the interesting paragraph by Ronald Resink here (Associate Professor, Department of Psychology University of British Columbia).




























Airplane (529K):the jet engine.
Chopper & Truck (604K):the shade of the chopper.
Dinner (584K):the rode at the background of the picture.
Farm (583K):the tree branch at the top left.
Harborside (530K) :the blue box in the boat.
Market (551K) :color of the pants on the man on the left.
Money (478K):the shaded background in the man’s photo.
Sailboats (570K) :the level of the sea at the back.
Street Corner (527K) :the glare of the sun on the car.
Tourists (585K) :the tree at the back of the statue’s head.
Airplane-engine
chopper-shadow
dinner-railing height
farm-leaves
harbor-box on boat
market-guy’s jeans
money-background color behind Jackson
sailboats-horizon
street corner-sunlight on the BMW’s rear window
tourists-trees behind statue