For years researchers have said children with autism are more likely to have large heads, a phenomenon they attributed to "early brain overgrowth." But now several scientists are questioning assumptions about brain overgrowth and autism, especially how common it is. Their stories spotlight the important ways science reconsiders evidence in the search for answers.
Advocates looking for reliable data to support programs that benefit people with autism often mention the Interactive Autism Network.
Date First Published: December 7, 2007
Preliminary analysis shows that younger children with ASDs tend to be taller, and older children with ASD tend to be heavier, than their unaffected siblings.
A preliminary look at some early IAN data on gender, IQ, and other information from IAN families.