But why would you even try?

Those who squirm at the lightest touch may find comfort in knowing that it'simpossible to tickle yourself. A study in Nature Neuroscience shows that a brain area called the cerebellum squelches the tickle sensation when you're the source so you spend less time making yourself giggle and more time fending off potential attackers.

Tags: attackers, brain, brain area, cerebellum, nature neuroscience, neuroscience, sensation, tickle, touch sensation