With a mixture of incredulity and levity, the following might be of interest to some. The anatomy is simple. This vocalization came on right away, and more intense than before. Panksepp said, adding that keeping rats laughing isn't difficult. They're small, of course, but it's really no different than running your fingers as if you're tickling a child,'' he said.
Rats register their gratitude with little nips.
But since I've started this, I've been bitten hundreds, if not thousands, of times, but always in a playful way. Panksepp knows people may laugh at his research, but he doesn't care since his goal is to track the biological origins of joy. On the playground, where kids are running and playing. All rights reserved.