In a 2003 study Panksepp and Bowling Green State University neurobiologist Jeff Burgdorf demonstrated that if rats are tickled in a playful way, they readily chirp.

 
  • 而最新的研究结果则显示,笑的“循环线路”存在于人类大脑非常古老的区域中。
今日热词
目录 附录 查词历史