28 Result(s)
within
Mara Brendgen
Public Health
-
Article
Adolescents and Social Media: Longitudinal Links Between Types of Use, Problematic Use and Internalizing Symptoms
Studies examining the associations between adolescent social media use and depression/anxiety symptoms show inconsistent results and do not elucidate the direction of associations. Differences in how studies o...
-
Article
Open AccessChanging genetic architecture of body mass index from infancy to early adulthood: an individual based pooled analysis of 25 twin cohorts
Body mass index (BMI) shows strong continuity over childhood and adolescence and high childhood BMI is the strongest predictor of adult obesity. Genetic factors strongly contribute to this continuity, but it i...
-
Article
Maternal Parenting Behaviors Amplify Environmental Influences on Developmental Trajectories of Alcohol Use During Adolescence
Compared to peer alcohol use, less is known on how parenting practices may modify genetic and environmental contributions to alcohol use longitudinally across adolescence. This study examined whether two mate...
-
Article
Links Between Early Personal Characteristics, Longitudinal Profiles of Peer Victimization in School and Victimization in College or at Work
This study used a longitudinal design from age six through age 19 (N = 1206 (603 girls)) to examine the associations between anxious-withdrawal and reactive aggression during childhood, distinct profiles of peer ...
-
Article
A Genetic Cross-Lagged Study of the Longitudinal Association Between Anxiety and Depressive Symptoms During Childhood
This study documented the etiology contributions between anxiety symptoms (AS) and depressive symptoms (DS) from ages 6–12 years. Teachers assessed AS and DS in 1112 twins at 5 time points. A genetic cross-lag...
-
Article
Genetic Correlation between Child Callous-Unemotional Behaviors and Fear Recognition Deficit: Evidence for a Neurocognitive Endophenotype
This study investigates emotion recognition deficits as candidate neurocognitive endophenotypes for callous-unemotional (CU) behaviors. Using a twin design, we tested genetic correlations between child CU beha...
-
Article
The Genetic and Environmental Etiology of Shyness Through Childhood
The objective of this study was to examine the genetic and environmental contributions to shyness throughout the school-age period. Participants were 553 twin pairs from the ongoing prospective longitudinal Qu...
-
Article
The Intergenerational Association Between Parents’ Problem Gambling and Impulsivity-Hyperactivity/Inattention Behaviors in Children
Despite the well-established association between problem gambling and ADHD core categories of impulsivity-hyperactivity and inattention, the link between parents’ problem gambling and impulsivity-hyperactivity...
-
Article
Peer Victimization and Adjustment in Young Adulthood: Introduction to the Special Section
A substantive number of children and adolescents are bullied by their peers, with serious risks for the victims’ emotional, behavioral, physical, and academic adjustment. However, while the immediate and short...
-
Article
Continued Bullying Victimization from Childhood to Young Adulthood: a Longitudinal Study of Mediating and Protective Factors
Bullying in schools has severe consequences for victims’ adjustment. It is unclear, however, whether victims of school bullying continue to be victimized in other contexts during adulthood. Mediating processes...
-
Article
Comorbid Development of Disruptive Behaviors from age 1½ to 5 Years in a Population Birth-Cohort and Association with School Adjustment in First Grade
Comorbidity is frequent among disruptive behaviors (DB) and leads to mental health problems during adolescence and adulthood. However, the early developmental origins of this comorbidity have so far received l...
-
Article
Peer Victimization and Anxiety in Genetically Vulnerable Youth: The Protective Roles of Teachers’ Self-Efficacy and Anti-Bullying Classroom Rules
Many victimized youngsters are at risk of develo** internalizing problems, and this risk seems to be especially pronounced when they are genetically vulnerable for these problems. It is unclear, however, whe...
-
Article
School-related Factors in the Development of Bullying Perpetration and Victimization: Introduction to the Special Section
Although not limited to school contexts, bullying perpetration and victimization often emanates from social ecologies formed within the classroom. Thus, to fully illuminate risk for involvement in bullying, we...
-
Article
Gene-Environment Correlation Linking Aggression and Peer Victimization: Do Classroom Behavioral Norms Matter?
Using a genetically informed design based on 197 Monozygotic and Dizygotic twin pairs assessed in grade 4, this study examined 1) whether, in line with a gene-environment correlation (rGE), a genetic dispositi...
-
Article
Genetic and Environmental Influences on Gambling and Substance Use in Early Adolescence
This study examined the genetic and environmental architecture of early gambling involvement and substance use to determine whether genetic or environmental factors that contribute to substance use also put yo...
-
Article
Associations of Mother’s and Father’s Parenting Practices with Children’s Observed Social Reticence in a Competitive Situation: A Monozygotic Twin Difference Study
This study used the monozygotic (MZ) twin difference method to examine whether the unique environmental effects of maternal and paternal overprotection and hostility at the age of 30 months predict twins’ obse...
-
Article
Interactive Links Between Theory of Mind, Peer Victimization, and Reactive and Proactive Aggression
This study investigated the relation between theory of mind and reactive and proactive aggression, respectively, as well as the moderating role of peer victimization in this context. The 574 participants were ...
-
Article
Open AccessEarly Adolescent Depressive Symptoms: Prediction from Clique Isolation, Loneliness, and Perceived Social Acceptance
This study examined whether clique isolation predicted an increase in depressive symptoms and whether this association was mediated by loneliness and perceived social acceptance in 310 children followed from a...
-
Article
The Development of Hyperactive–Impulsive Behaviors During the Preschool Years: The Predictive Validity of Parental Assessments
The objectives of this study were to establish the different developmental trajectories of hyperactive–impulsive behaviors on the basis of both mother and father ratings at 19, 32, 50, and 63 months, and to ex...
-
Article
Do Friends’ Characteristics Moderate the Prospective Links between Peer Victimization and Reactive and Proactive Aggression?
This study examined (a) the predictive link between peer victimization and children’s reactive and proactive aggression, and (b) the potential moderating effect of reciprocal friends’ reactive and proactive ag...
