The history of attention deficit hyperactivity disorder symptoms studying as a psychological disorder

The paper describes the history of hyperactivity, impulsivity and clinical attention disorders studying. The symptoms of attention deficit hyperactivity disorder (ADHD) are known to researchers since ancient times. Various theories and approaches to the ADHD studying presented in the researches of specialists from different eras and countries have led to a variety of definitions, diagnostic criteria and characteristics of the syndrome. Today ADHD is an officially recognized psychological disorder, which symptoms are described in international medical classifications.