17 December 2017

Rats’ ticklishness explains human brain

Rat tickling
 
Like people, rats are ticklish. Now, by implanting electrodes in the brains of these laboratory workhorses, researchers have identified the brain region that seems to drive the trait — an insight that could illuminate the origins of ticklishness in people.
The work, published in the 11 November issue of Science, also reveals that rats’ susceptibility to tickling is affected by mood, rather like in people.
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