ticklishness

But her team’s new findings suggest that the PAG, and specifically its lateral columns, is required for play and ticklishness.

And it raises many questions about ways in which rat ticklishness can help us understand human emotions.

Ticklishness does, however, depend on their mood.

For the first time, scientists have pinpointed the area of the rat brain where ticklishness resides—the trunk of the somatosensory cortex, a region typically associated with touch.

It may seem odd or frivolous to study the ticklishness of animals, but these interactions may well hold important secrets to human cognition.