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New research led by the University of Washington finds that sleep problems in a baby’s first 12 months may not only precede an autism diagnosis, but also may be associated with altered growth trajectory in a key part of the brain, the hippocampus.

To new parents, a baby’s every gurgle and glance are fascinating, from a smile at mom or dad to a reach for a colorful toy. But when a baby doesn’t look at parents and caregivers, imitate gestures and sounds, or engage in play, parents have questions. And a growing number are bringing their babies to the University of Washington Autism Center for answers. The UW Autism Center hosts its annual open house from 4:30 to 7 p.m. April 27 at…

When the University of Washington Autism Center opened its doors in 2000, the notion that the disorder could be detected in preschool-aged children was controversial. “We were diagnosing kids between 3 and 4 years of age,” recalled Steve Dager, a UW professor of radiology and the center’s former interim director. “People were still skeptical that you could diagnose autism that early.” Much has changed since then. Researchers can now diagnose autism in some children before 12 months. Autism’s prevalence has…