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Is Autism Caused By Difference in the Brain?

Researchers are discovering a wide range of structural and chemical differences in the brains of people with autism. Are these differences simply associated with autism? Are they caused BY autism? Or are they actually the cause OF autism?
Are Autistic Brains Different?
Dr. Nancy Minshew at the University of Pittsburg researches the connection between brain structure and functioning and autism. Her findings suggest that autistic brains are "wired" differently.
Autism and the Brain
In the last few years, many researchers have confirmed that there are structural and chemical differences between typical and autistic brains. What are some of those differences -- and why do they matter?
Explore Autism
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