The precious few long-term studies of autism have produced unique insight into the development and ultimate outcomes of the disorder. How can we encourage more of them?
Long-term studies that track people with autism throughout their lives offer promising hints about how the disorder manifests over time. They also affirm a growing concern among autism researchers — that we need more of them.
Read: Long-term studies track how autism changes with age »
Longitudinal studies provide an unparalleled amount of information about the developmental and behavioral trajectories of individuals with autism. Because these studies can reveal how early-life experiences affect outcomes, they may provide a useful window into the ways genes and the environment interact in the disorder.
But these studies are extremely expensive and difficult to execute compared with cross-sectional designs, which examine a group at one specific point in time and make up the overwhelming majority of autism studies. The resources required to track families, make recurring evaluations and collect data over a significant period of time typically render the approach cost-prohibitive.
How can we mitigate some of these issues to make longitudinal studies more viable?
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