And yet, it could be easily fooled. There are a slew of optical illusions that are geared for just that. Your brain can't wrap itself around why things your eyes see are not what they should be...
|DO YOU SEE STRAIGHT LINES?|
There is no image bulging out from the middle.
Check it with a ruler. ;)
|HOW MANY BLACK DOTS DO YOU SEE?|
There are none!
|FIND THE MAN IN THE COFFEE BEANS.|
This is freaky - once you find him, it's so obvious....
|FIND THE 13 FACES HIDDEN IN THE PICTURE.|
Can you find them all?
... and the biggest mindf*** ('scuse my language) of them all...