Abstract Concepts of cognitive control (CC) and executive function (EF) are defined in terms
of their relationships with goal-directed behavior versus habits and controlled versus …

This study provides a comprehensive assessment of the associations of personality and
intelligence. It presents a meta-analysis (N= 162,636, k= 272) of domain, facet, and item …

The question of why people show individual differences in their behaviours and capacities
has intrigued researchers for centuries. Behaviour genetics offers us various methods to …

Background Deficits in executive functions (EFs), cognitive processes that control goal-
directed behaviors, are associated with psychopathology and neurologic disorders. Little is …

During the last decade quantitative and molecular genetic research on sleep has increased
considerably. New behavioural genetics techniques have marked a new era for sleep …

In the classical twin design, researchers compare trait resemblance in cohorts of identical
and non-identical twins to understand how genetic and environmental factors correlate with …

Background Fundamental questions about the roles of genes, environments, and their
interplay in developmental psychopathology have traditionally been the domain of twin and …

Prior to the development of genome‐wide arrays and whole genome sequencing
technologies, heritability estimation mainly relied on the study of related individuals. Over …

Executive functions (EFs) and impulsivity are dimensions of self-regulation that are both
related to psychopathology. However, self-report measures of impulsivity and laboratory EF …

As a strong risk factor for mortality, individual differences in loneliness are of clear public
health significance. Four of the Big Five traits have emerged as cross-sectional correlates …