Among the epigenetic factors shaping brain and behavior during early postnatal life, social
experiences have a major impact. Early social experiences are mainly of two kinds: mother …

Who are smarter, Asians or Westerners? Are there genetic explanations for racial
differences in test scores? What makes some nationalities excel in engineering and others …

Postinstitutionalized children frequently demonstrate persistent socioemotional difficulties.
For example, some postinstitutionalized children display an unusual lack of social reserve …

Neglect and abuse early in life have been associated with increased and decreased cortisol
levels, and also with an altered diurnal cortisol slope. In the present study, we investigated …

The aim of the present study is to investigate whether early childhood adversities determine
the longitudinal course of psychiatric problems from childhood to adulthood; in particular if …

Behavioral problems are frequent among post-institutionalized Eastern European adoptees.
However, risk factors related to outcomes have not been fully delineated. We evaluated 50 …

Background This study investigated international adoptees who were taken out of their
problematic environments as a consequence of their adoption to determine the effects of …

In 1948, at a session of the United Nations it was decided to make a study of the needs of
homeless children. These children were described as “children who were orphaned or …

Longitudinal data on 177 schoolage adopted Chinese girls (Time 1: mean age= 8.92 years,
SD= 1.76; Time 2: mean age= 11.18 years, SD= 1.79) were analyzed to determine their long …

Objective To investigate school performance of international adoptees in relation to their
cognitive competence. Method From the population of all male Swedish residents born 1973 …