The diagnostic entity of bipolar disorder has evolved substantially over time, in particular in children and adolescents. The introduction of hypomania as a diagnostic entity in DSM-III-R broadened the definition of bipolar disorder to include patients with symptoms of mania of shorter duration without significant impairment, and subsequent work has demonstrated substantial morbidity in patients with bipolar… Continuar lendo Attention-Deficit/Hyperactivity Disorder, Hypomania, and Bipolar Disorder in Youth.