This is not really a written piece but rather an assortment of cool psychological hacks from youtube.

The Color Changing Card Trick

Now, the next one – ambiguously called – Selective Attention Test. Captures a phenomenon called Change Blindness.

Selective Attention Test

If you saw the video above, check this one out. It’s a variation of the video above, but equally mind-bending.

The Monkey Business Illusion

From the makers of the video above, I also found this one quite intriguing!

The Door Study

And this is an amazing video by Beau Lotto, founder of Lotto Labs. This TED Talk is quite popular, and you might have seen it, but I thought it worthy to include it here!