I think that it depends. In "Asperger's Syndrome: A Guide for Parents and Professionals" it says that yes, male autistics have a more severe expression of the syndrome, but at the same time females seem to go through the condition longer than they do, and don't grow out of some autistic symptoms as fast as boys do. Girls can socialize a little better than guys can on the spectrum, but I still say that it depends on which aspect on autism that you're talking about. So, guys express a more severe form of autism, but I can't fully say that they are "more autistic" than girls, but I can say that they are "more autistic" in the sense that they show a more severe expression of autism as in they seem a little more anti-social or have a more severe expression of some autistic behaviors.
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I'm 24 years old and live in WA State. I was diagnosed with Asperger's at 9. I received a BS in Psychology in 2011 and I intend to help people with Autistic Spectrum Disorders, either through research, application, or both. On the ?Pursuit of Aspieness?.