laughter

Tag archives for laughter

Most of us have heard the phrase: Laughter is contagious. When we hear other people laughing, we often smile even if we have no idea why they are laughing. Dr. Sophie Scott from the University College of London and her colleagues played both positive sounds (like laughter) and negative sounds (like retching or screaming) to subjects and…

What’s so funny?

In this video, Dr. Jaak Panksepp describes how he discovered that rats apparently laugh, producing an ultrasonic sound which more resembles chirping than laughter as we typically think of it: Further research by Dr. Panksepp has shown that young rats tend to be more ticklish that older rats and that “laughter” ceases when the animals…