Children with autism rely on conscious planning, rather than habit, to control their movements, according to the first brain imaging study to examine motor performance in the disorder.

In the fall of 1980, when he left his hometown of St. Louis, Missouri, for undergraduate studies at Cornell University in upstate New York, John Constantino was determined to pursue one of two careers: a doctor or a school teacher.

Two research groups have achieved an elusive goal: producing mouse models that show distinct social and behavioral abnormalities reminiscent of autism.

Donald T. was not like other 5-year-old boys. Leo Kanner knew that the moment he read the 33-page letter from Donaldʼs father that described the boy in obsessive detail as “happiest when he was alone… drawing into a shell and living within himself… oblivious to everything around him.”