Autism is unusually common among people with congenital blindness, in part because the ability to see drives much of brain development.
Autistic children who lose words reach key milestones earlier than autistic children without language regression.
Some children who dramatically lose a range of abilities after age 2 may have a condition called childhood disintegrative disorder.
Watch the complete replay of Stelios Georgiades discussing a model for predicting trajectories in children with autism.
People with mutations in SHANK3 have milder features than do those missing a chunk of DNA that includes the gene.
Many children eventually diagnosed with autism lose social skills between 18 months and 3 years of age. But few parents notice this trend.
A sweeping analysis covers evidence of regression in autism, gender dysphoria is linked to autism features, and animal models of autism receive full treatment in a special tribute.