A new survey from Autism BrainNet reveals a critical disconnect between public support for autism research and the actual mechanisms that drive scientific discovery. While nearly all Americans believe studying the autistic brain is essential, most remain unaware that postmortem brain donation is the primary vehicle for this progress.
The findings, released April 8, show that 92 percent of respondents consider autism research a high priority. However, 70 percent of those surveyed admitted they had never heard of brain donation, and only 15 percent correctly identified that it is a separate process from standard organ donation.
The need for postmortem tissue
Researchers emphasize that brain tissue provides insights that current technology cannot replicate. Unlike imaging or animal models, human tissue offers a direct look at the biological architecture of neurodevelopmental conditions.
"For researchers who study autism and related neurodevelopmental conditions, postmortem brain tissue is a critical scientific resource that cannot be replicated by artificial intelligence, imaging technologies, or even animal experiments," said Dr. David G. Amaral, Scientific Director of Autism BrainNet and a Distinguished Professor at UC Davis.
Confusion persists regarding the logistics of donation. The survey found that fewer than half of participants understood that tissue must be recovered within hours of death to remain viable for study. Additionally, nearly one-third of respondents mistakenly believed that a diagnosis of autism or epilepsy would disqualify them from being a donor. In reality, researchers specifically seek out these samples to better understand the conditions.
Families who have chosen to donate describe the process as a way to create a lasting scientific legacy. Kathy Stein, who donated the brain of her brother, Ed, said the decision provided a positive outlet for her grief.
"Imagine how much we can learn about the biological causes of autism and related neurodegenerative disorders through his contribution," Stein said. "I donated his brain because it is a positive way to acknowledge what a wonderful person he was and to extend his legacy."
Autism BrainNet coordinates all logistical arrangements for families, and there is no cost associated with the donation. The organization accepts donors with or without autism, including those with genetic diagnoses associated with the spectrum.
To address the public knowledge gap, Dr. Amaral and Dr. Alycia Halladay of the Autism Science Foundation will host a Reddit "Ask Me Anything" session on April 29 from 12 p.m. to 2 p.m. ET. The session aims to clarify the donation process, which remains entirely separate from organ and tissue donor registries.
