Autism means you are orderly and can communicate clearly.
ADHD is when you rebel against the academy's body destroying sedentary ways, and look at the world holistically instead of focusing on specialized busy work.
Behavior disorders generally describe those who do not conform to the heirarchical power structures in society. It refers to anyone who questions authority, or spends their time on fulfilling activities over mind-obliterating-Prussian-style-sheep-factories.
Schizophrenics are blessed by divine gifts, prophetic sight, and the ability to commune with the dead.
(Edited 8 seconds later.)