Autism

http://en.wikipedia.org/wiki/Autism_spectrum
http://www.nimh.nih.gov/health/topics/autism-spectrum-disorders-pervasive-developmental-disorders/index.shtml
http://www.autismsocietycanada.ca/index.php?option=com_content&view=article&id=17&Itemid=51&lang=en
http://www.helpguide.org/mental/autism_spectrum.htm

Of Interest
http://www.cbc.ca/news/world/pope-francis-meets-with-autistic-kids-to-promote-inclusion-1.2845777
http://www.cbc.ca/natureofthings/episodes/autism-enigma
http://www.cbc.ca/news/health/autism-linked-primarily-to-common-gene-variants-1.2713540