Amazing optical illusions

This optical illusion exposes a flaw in our brains by proving that there's a delay in how we perceive it — but it's only 15 milliseconds.

Maybe we watched too many horror movies as kids, or maybe it's just an evolutionary advantage to be wary of danger when it isn't necessarily there, but we can all remember that sudden feeling of terror when the shadow of a tree flashes across a window.

Can you see the hidden picture? I found this on Facebook this morning and thought I would share it with you all; it took me a few looks to see it but I

We all see things from our own perspectives, and that's what makes us unique. So, take this optical illusion personality test to discover your true self!

This scary optical illusion is being shared on social media as it claims that it will leave you seeing terrifying visions — so try it at your own risk! #personalitytest #personalitytype #quiz #funtest #mindgame #opticalillusion #visualtest

There are four images that also contain concealed objects - and the site maintain that only introverts can see them.

Things aren't always what they seem .Take optical illusions, for example. Thanks to clever lighting and angles, they play tricks

From spinning circles to disappearing dots, these insane optical illusions aren't what they appear to be. Are you ready to have your mind blown?