"High-functioning autism" describes autistic people who can complete some daily tasks and blend into society. People with high-functioning autism can have trouble starting conversations and ...

Mild autism is unofficially used to describe level 1 autism, or high-functioning autism. People with mild autism might not get diagnosed until adolescence or adulthood because their traits are subtle.

In 1943, Leo Kanner, a child psychiatrist at Johns Hopkins University, identified autism as a separate disorder from schizophrenia in young children. Kanner called his newly identified disorder early ...