CNN posted an interesting article on research done by the University of North Carolina into a specific part of the brain that my help experts pinpoint when autism could first develop. It's worth a read.
<a href="http://www.cnn.com/2009/HEALTH/05/04/autism.brain.amygdala/?iref=mpstoryview">http://www.cnn.com/2009/HEALTH/05/04/autism.brain.amygdala/?iref=mpstoryview</a>