★版別：公播版
★片長：約50分
★級別：普遍級
★製作：October Film Production
索書號：DVD 380 2422
Denman Rooke’s film tells the story of the experiments that are revolutioning our understanding of laughter.Professor Robert Provine,atthe University of Maryland,takes us with him to spy oneveryday laughter,while Saran Blakemore of London’s Institute of Neurology uses tickling machines to explore its fundamentally social nature.
Meanwhile at Bowling Green State University,Professor Jaak Panksepp’s experiments with tickling and play have even got a laugh from rats.Together they have found that inhumans and animals alike,laughter is an emotion with survival value.