optical illusions
Post on 07-Aug-2015
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OPTICAL ILLUSIONS
Look at the next slide.
Focus on the 4 small dots in the centre of the picture and look at the picture for 30-40
seconds.
Afterwards blink your eyes couple of times to the nearest wall.
What do you see?
The SCINTILLATING GRID – black dots appear at random intersections
Focus on a single intersection, the dot does not appear. The dots disappear if you are too close or too far from the image.
Move your head back and
forward.
What happensto the circles?
If your eyes follow the movement of the rotating
pink dot, the dots will remain only
one color, pink.
However if you stare at the black " +" in the
center, the moving dots turns to green.
Now, concentrate on the black " + " in the center of the picture. After a short period, all the pink dots
will slowly disappear, and you will only see only a
single green dot rotating.
Look at the wildlife painting of a Bengal tiger.
Can you find the hidden tiger in the picture?
“the hidden tiger” is written in the tiger
What do you see?
In black you can read the word GOOD; but the word EVIL also appears in white letters inside each black letter.
What do you see?
You should see a face ….
but also a word.
Tilt your head to the right – the word begins with L.
Look at the chart and say the colour and NOT the word!
Do you see the rotating circles?
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