Why some siblings thrive whereas others struggle: A within-family study on recollections of childhood parental bonding and current adult depressive and anxiety symptoms
Journal of Affective Disorders
Marie-Louise J. Kullberg, Charlotte C. van Schie, Eleonore D. van Sprang, Catharina A. Hartman, Albert M. van Hemert, Brenda W. J. H. Penninx, Bernet M. Elzinga
Background: Brothers and sisters growing up together share a large proportion of their genes and rearing environment. However, some siblings thrive whereas others struggle. This study investigated family-wide childhood bonding experiences with mother and father, in addition to individual-specific recollections, in relation to current depressive and anxiety symptom levels in adulthood. We examined whether extraversion and internal locus of control (iLoC) had a protective effect in this.
Conclusions: Our findings extend prior work by demonstrating the importance of siblings’ childhood PB experiences next to a person’s own recollections when investigating adult internalizing symptoms, while also elucidating individual differences within families.