Objective: Structural neuroimaging studies in attention-deficit hyperactivity disorder (ADHD)
have been relatively inconsistent and have mainly been conducted with pediatric samples …

OBJECTIVE: To summarize and evaluate the state of knowledge regarding the role of
measured gene-by-environment interactions in relation to attention-deficit/hyperactivity …

The Netherlands Twin Register (NTR) is a national register in which twins, multiples and
their parents, siblings, spouses and other family members participate. Here we describe the …

Background The authors sought to map gray matter changes in Attention Deficit
Hyperactivity Disorder (ADHD) using a novel technique incorporating neuro-imaging and …

Psychological and neurocognitive studies have suggested that different kinds of self-control
may share a common psychobiological component. If this is true, performance in affective …

Childhood psychiatric disorders are rarely static; rather they change over time and
longitudinal studies are ideally suited to capture such dynamic processes. Using …

The Netherlands Twin Register (NTR) began in 1987 with data collection in twins and their
families, including families with newborn twins and triplets. Twenty-five years later, the NTR …

Spontaneous fluctuations can be measured in the brain that reflect dissociable functional
networks oscillating at synchronized frequencies, such as the default mode network (DMN) …

Attention-deficit hyperactivity disorder (ADHD) is a clinically and genetically heterogeneous
syndrome which is comorbid with childhood conduct disorder, alcoholism, substance abuse …

Biological psychiatry has dominated psychiatric thinking for the past 40 years, but the
knowledge base of the discipline has increased substantially more recently, particularly with …