Autism and The Male Brain
Whereas men are overall more efficient at systemizing and less capable of empathizing than women are, men and women on the autism spectrum display an extreme inclination towards systemizing. They are excellent at visual-spatial manipulation and rule-bound thinking but display deficits in empathy and mind reading. For this reason, Baron-Cohen has labeled autism "mind-blindness."
Baron-Cohen's work helps explain why there are four or five times as many males than females on the autism spectrum, and estimates of six to eleven times as many males than females with Asperger's, though girls with Asperger's are frequently misdiagnosed.