Mind Processing

If someone told you that your mind can process a negative image, what would you say? That they’re crazy? If you think so, then check this out.

Stare at the three dots on the girl’s nose for about a minute. Try not to look away or else it’ll spoil the trick. After staring for about a minute, stare at a blank white wall and blink your eyes rapidly. What do you see?

via Rob Sheridan