The medical community has continually revised the definition and name of this illness. First it was "minimal brain dysfunction," then "hyperkinetic condition," and now "attention deficit / hyperactivity disorder" (ADHD).
從「輕微的腦部功能障礙」、「過動症」到「注意力不足過動癥候群」，醫學界對此病症一再修正定義與名稱。