One morning 10 years ago, psychologist Jaak Panksepp walked into his lab and made an unusual proposition to a research assistant: “Come tickle some rats with me!” Panksepp wasn’t just trying to ...
In 1994, researchers noticed that when rats anticipated an opportunity to play, they would let out a series of squeaky chirps. These were high-pitched, measured at 50 kilohertz. The researchers began ...
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Tickling: What happens in the brain when we are tickled that makes us laugh? Understand the science behind it here.
Tickling is a very strange sensation because it doesn't depend on your will. That's right, you don't decide whether or not to laugh; your body simply reacts. Your brain doesn't even have a chance to ...
Don’t try this at home, but tickling a gorilla, orangutan, bonobo or chimp can inspire bursts of grunting sounds. Yes, that’s laughter, says Marina Davila Ross of the University of Portsmouth in ...
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