Lots More Information

Related HowStuffWorks Articles

Sources

  • Akuda, Darren. "Acute pathological laughters." Movement Disorders. Vol. 20, Issue 10. Pages 1389 - 1390. July 8, 2005. (May 14, 2009).
    http://www3.interscience.wiley.com/journal/110561569/abstract?CRETRY=1&SRETRY=0
  • Chang, Sophia. "Surgery ends 'Joker' seizures." Los Angeles Times. May 4, 2007. (May 14, 2009).
    http://articles.latimes.com/2007/may/04/nation/na-tumor4
  • Kim, Byung-Jo et al. "Letter to the editor: Pathological Laughter as an Unusual Manifestation of Acute Stroke." European Neurology. Vol. 59, page 83-84. 2008. (May 14, 2009).
    http://content.karger.com/ProdukteDB/Produkte.asp?doi=10.1159/000109573&typ=pdf
  • Klein, Stefan. "The Science of Happiness: How Our Brains Make Us Happy-and What We Can Do to Get Happier." Marlowe and Company, 2006.
  • Lamber, Craig. "The science of happiness." Harvard Magazine. January-February 2007. (May 9, 2009).
    http://harvardmagazine.com/2007/01/the-science-of-happiness.html
  • National Institutes of Health. "Angelman Syndrome." May 11, 2009. (May 14, 2009).
    http://ghr.nlm.nih.gov/condition=angelmansyndrome
  • National Institute of Neurological Disorders and Health. "Tourette Syndrome Fact Sheet." July 15, 2008. (May 14, 2009).
    http://www.ninds.nih.gov/disorders/tourette/detail_tourette.htm
  • Parvisi, Joseph et al. Pathological laughter and crying. Oxford Journals. Brain. Vol. 124, no. 9. Page 1708-1719. (May 14, 2009).
    http://brain.oxfordjournals.org/cgi/content/abstract/124/9/1708
  • Wallace, Claudia. "The new science of happiness." Time. January 9, 2005.
    http://www.time.com/time/magazine/article/0,9171,1015902-6,00.h
    tml