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Research process and autism

There is a severe shortage of brain tissue for research. Because it has been so difficult for researchers to procure brain tissue without advance registration, It Takes Brains seeks to make the public aware of the promise of brain research and the critical need for people to register to donate brain tissue.

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.

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