I have Asperger's Syndrome. It's an Autistic Spectrum Disorder. My brain is wired differently and I process information and sensory stimuli differently than most of the population. I have a very high IQ and a great talent for analytical reasoning but socially I am inhibited.
http://en.wikipedia.org/wiki/Asperger_syndrome
http://www.aane.org/about_asperger_syndrome/what_is_asperger_syndrome.html