Here's why it's impossible to tickle yourself

Tickling a foot

If you've ever tried to tickle yourself, you'll know that it's pretty much impossible - but why exactly is that?

Reacting to being tickled is an almost uncontrollable response to physical stimulation.

And the science behind the inability to tickle oneself comes from an area of the human brain called the cerebellum - the grey matter that controls how we react to movement and certain sensations.

It's the job of the cerebellum to tell us the difference between outside stimulus - someone trying to tickle us - and our own movements in any given environment.

So it essentially predicts what we're going to experience, eradicating any element of surprise, and rendering the tickle... unticklish.

Find out more in the video above.

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