How do you make a rat laugh?

By tickling it, of course!

According to neuroscientist Dr. Jaak Panksepp, laughter isn’t just a human phenomenon - rats laugh, too.

Hear ticklish rats laughing and an interview with Panksepp on the “Laughter” episode of NPR’s Radio Lab.

Intrigued by animal emotions? Read the Psychology Today article about Panksepp’s research and his critics in our General Reference Center Gold database. Library cardholders can read the article from home.