Abstract Attention Deficit Hyperactivity Disorder (ADHD) is a persistent, and impairing
pediatric-onset neurodevelopmental condition. Its high prevalence, and recurrent …

Results of behavioral genetic and molecular genetic studies have converged to suggest that
both genetic and nongenetic factors contribute to the development of attention …

Quantitative genetic studies (ie, twin and adoption studies) suggest that genetic influences
contribute substantially to the development of attention deficit hyperactivity disorder (ADHD) …

Serotonin, 5-hydroxytryptamine (5-HT), is one of the class of monoamine neurontransmitters,
all of which have a chemical template comprised of a basic amino group separated from an …

notwithstanding the many strengths of the dynamic developmental theory, there remain
challenges to be overcome before it can be incorporated into a true causal model of …

Attention deficit/hyperactivity disorder (ADHD) is among the most common childhoodonset
psychiatric disorders. The worldwide prevalence of ADHD in children is 8% to 12%, 1 and …

OBJETIVOS: O transtorno de déficit de atenção/hiperatividade tem sido cada vez mais
reconhecido em nosso meio. Associa-se com comorbidades importantes e determina …

Background Attention-deficit/hyperactive disorder (ADHD) is a neurodevelopmental disorder
that commonly occurs in children with a prevalence ranging from 3.4 to 7.2%. It profoundly …

Although animals cannot be used to study complex human behaviour such as language,
they do have similar basic functions. In fact, human disorders that have animal models are …

Attention-deficit/hyperactivity disorder (ADHD) is a common and often persistent
neurodevelopmental disorder. Beyond gene-finding, neurobiological parameters, such as …