[Comorbidity of autism spectrum disorder and attention deficit with hyperactivity. A review study].

Introduction: The high presence of attention deficit hyperactivity disorder (ADHD) in autism spectrum disorder (ASD) has been acknowledged in the Diagnostic and statistical manual of mental disorders, fifth edition, thus allowing the diagnosis of both disorders.

Aims: The purpose of this study is to review the research published between 2010 and 2014 on the cognitive and social characteristics of the concurrence of ASD and ADHD.

Development: A review of the 33 studies that were identified showed evidence that the prevalence of symptoms of ADHD in children with ASD was 33-37%.