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 …

Background In the excitement about genomics, it is easy to lose sight of one of the most
important findings from behavioural genetics: At least half of the variance of …

We present the core principles of a behavioral systems theory (BST) that incorporates
dynamical systems concepts and applies them to a behavior analysis of early language …

The March 2024 issue of JCPP Advances features two neuroimaging studies that investigate
links between early environmental risk factors for mental health problems, brain …

Three papers in the December issue (2023) of JCPP Advances focus on children of parents
with depression or anxiety. They highlight the value of using prospective longitudinal data to …

Evidence indicates a great degree of genetic overlap between psychiatric diagnoses.
Accounting for these transdiagnostic effects can sharpen research on disorder-specific …

Readers of JCPP Advances known that the dominant classification system (Diagnostic and
Statistical Manual of Mental Disorders) in psychiatry and psychology conceptualizes …

Background: Although genetic and environmental risk factors for schizophrenia (SCZ) and
major depressive disorder (MDD) are well established, it is not clear whether the exposure …

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 …