Lots More Information
Related HowStuffWorks Articles- What makes us yawn?
- How Autism Works
- How Evolution Works
- Are chimpanzees evolving in the wild?
- Do criminal psychopaths enjoy other people's fear or just not notice it?
Sources
- Fleming, Nic and Highfield, Roger. "Contagious Yawning 'Shows More Empathy With Other People's Feelings." Telegraph.co.uk. September 10, 2007. http://www.telegraph.co.uk/earth/main.jhtml?xml=/
earth/2007/09/10/sciyawn110.xml - Montana, Stephen, Ph.D. "Understanding Empathy." St. Luke Institute. May/June 2003. http://www.sli.org/page_108_understanding_empathy.html
- Peart, Karen. "Results of Autism Research May Provide a Key to Determining Severity of Individual's Condition." Yale Bulletin and Calendar. October 25, 2002. http://www.yale.edu/opa/v31.n8/story15.html
- Randerson, James. "Why Engineers Yawn Less Than Psychologists." The Guardian. September 11, 2007. http://www.guardian.co.uk/science/2007/sep/11/1
- Seward, Liz. "Contagious Yawn 'Sign of Empathy.'" BBC. September 10, 2007. http://news.bbc.co.uk/2/hi/science/nature/6988155.stm
- "Children With Autism Are Immune To Contagious Yawning." British Psychological Society. September 7, 2007. http://bps-research-digest.blogspot.com/2007/09/
children-with-autism-are-immune-to.html - "Chimps Just Can't Help Yawning Either: Study Finds Behavior Just As Contagious As In Humans." MSNBC. July 26, 2004. http://www.msnbc.msn.com/id/5518753/
- "What is Empathy?" PsyBlog. http://www.spring.org.uk/2007/01/what-is-empathy.php

