Decades of research show that genes play an vital role in the etiology of attention deficit
hyperactivity disorder (ADHD) and its comorbidity with other disorders. Family, twin, and …

Abstract Purpose of Review Autism spectrum disorder (ASD) and attention
deficit/hyperactivity disorder (ADHD) are both increasing in prevalence and commonly co …

Background Attention-deficit/hyperactivity disorder (ADHD) is among the most common
psychiatric disorders of childhood that often persists into adulthood and old age. Yet ADHD …

Most psychiatric disorders are moderately to highly heritable. The degree to which genetic
variation is unique to individual disorders or shared across disorders is unclear. To examine …

BACKGROUND: Findings from family and twin studies suggest that genetic contributions to
psychiatric disorders do not in all cases map to present diagnostic categories. We aimed to …

Large-scale genomic investigations have just begun to illuminate the molecular genetic
contributions to major psychiatric illnesses, ranging from small-effect-size common variants …

Background: Attention deficit hyperactivity disorder (ADHD) and its possible causes still
attract controversy. Genes, pre and perinatal risks, psychosocial factors and environmental …

Psychiatric disorders are among the most intractable enigmas in medicine. In the past 5
years, there has been unprecedented progress on the genetics of many of these conditions …

The genetic bases of neuropsychiatric disorders are beginning to yield to scientific inquiry.
Genome-wide studies of copy number variation (CNV) have given rise to a new …

Attention deficit/hyperactivity disorder (ADHD) and autism spectrum disorder (ASD)
commonly co-occur. With the DSM-5, clinicians are permitted to make an ASD diagnosis in …