Megan R. Gunnar
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View article: Using machine learning to understand age and gender classification based on infant temperament
Using machine learning to understand age and gender classification based on infant temperament Open
Age and gender differences are prominent in the temperament literature, with the former particularly salient in infancy and the latter noted as early as the first year of life. This study represents a meta-analysis utilizing Infant Behavio…
View article: Corrigendum to “Share-the-load vs bring-your-own-judge: The effects of friends on social evaluative stress in early adolescence” [Psychoneuroendocrinology 172 (2025) 107254]
Corrigendum to “Share-the-load vs bring-your-own-judge: The effects of friends on social evaluative stress in early adolescence” [Psychoneuroendocrinology 172 (2025) 107254] Open
View article: Referee report. For: Assessing the stability of psychobiological stress reactivity during adolescence: mixed-effect modelling of cortisol responses to laboratory stressors [version 2; peer review: 1 approved, 1 approved with reservations]
Referee report. For: Assessing the stability of psychobiological stress reactivity during adolescence: mixed-effect modelling of cortisol responses to laboratory stressors [version 2; peer review: 1 approved, 1 approved with reservations] Open
View article: Correction: Using machine learning to understand age and gender classification based on infant temperament
Correction: Using machine learning to understand age and gender classification based on infant temperament Open
[This corrects the article DOI: 10.1371/journal.pone.0266026.].
View article: Do Children's Health Behaviors Buffer the Impact of Cumulative Environmental Stress on Emerging Cardiometabolic Risk?
Do Children's Health Behaviors Buffer the Impact of Cumulative Environmental Stress on Emerging Cardiometabolic Risk? Open
Background Previous studies have found that exposure to childhood environmental stress is associated with cardiometabolic risk. However, it is not known whether individual health behaviors disrupt this relationship. This study prospectivel…
View article: Post-adoption experiences of discrimination moderated by sleep quality are associated with depressive symptoms in previously institutionalized youth over and above deprivation-induced depression risk
Post-adoption experiences of discrimination moderated by sleep quality are associated with depressive symptoms in previously institutionalized youth over and above deprivation-induced depression risk Open
The association of post-adoption experiences of discrimination with depressive symptoms was examined in 93 previously institutionalized (PI) youth (84% transracially adopted). Additionally, we explored whether sleep quality statistically m…
View article: Lingering Effects of Early Institutional Rearing and Cytomegalovirus Infection on the Natural Killer Cell Repertoire of Adopted Adolescents
Lingering Effects of Early Institutional Rearing and Cytomegalovirus Infection on the Natural Killer Cell Repertoire of Adopted Adolescents Open
Adversity during infancy can affect neurobehavioral development and perturb the maturation of physiological systems. Dysregulated immune and inflammatory responses contribute to many of the later effects on health. Whether normalization ca…
View article: Cumulative environmental stress and emerging cardiometabolic risk during childhood
Cumulative environmental stress and emerging cardiometabolic risk during childhood Open
Summary Objective To prospectively evaluate the relationship between cumulative environmental stress and cardiometabolic risk in middle childhood, and to examine whether hair cortisol, a measure of hypothalamic pituitary adrenal‐axis activ…
View article: Early Life Stress Is Associated with Alterations in Lymphocyte Subsets Independent of Increased Inflammation in Adolescents
Early Life Stress Is Associated with Alterations in Lymphocyte Subsets Independent of Increased Inflammation in Adolescents Open
Early life stress (ELS) is linked to an elevated risk of poor health and early mortality, with emerging evidence pointing to the pivotal role of the immune system in long-term health outcomes. While recent research has focused on the impac…
View article: Editorial: Placing research in context – what participant and study characteristics should be routinely reported in studies of child and adolescent mental health?
Editorial: Placing research in context – what participant and study characteristics should be routinely reported in studies of child and adolescent mental health? Open
This editorial argues that research findings in child and adolescent psychopathology need to be contextualized with demographic information and location in order to help with interpretation of findings and implications for the services tha…
View article: Referee report. For: Assessing the stability of psychobiological stress reactivity during adolescence: mixed-effect modelling of cortisol responses to laboratory stressors [version 1; peer review: 1 not approved]
Referee report. For: Assessing the stability of psychobiological stress reactivity during adolescence: mixed-effect modelling of cortisol responses to laboratory stressors [version 1; peer review: 1 not approved] Open
View article: The Development of Stress Reactivity and Regulation in Children andAdolescents
The Development of Stress Reactivity and Regulation in Children andAdolescents Open
Adversity experienced in early life can have detrimental effects on physical and mental health. One pathway in which these effects occur is through the hypothalamic-pituitary-adrenal (HPA) axis, a key physiological stress-mediating system.…
View article: Is economic hardship associated with young children's cortisol levels?
Is economic hardship associated with young children's cortisol levels? Open
Economic hardship during childhood has been linked to poor physical and mental health. This study examines cross‐sectional and longitudinal associations of a summed economic hardship score of poverty, food insecurity, and financial hardshi…
View article: Editorial: Using parenting interventions as treatments and brain development – are we at the end of the beginning yet?
Editorial: Using parenting interventions as treatments and brain development – are we at the end of the beginning yet? Open
This editorial discusses where we stand in understanding how parenting interventions, frequently used in the treatment of child emotional and behavioral disorders, affect the brain systems that contribute to these disorders. It concludes t…
View article: Linking specific biological signatures to different childhood adversities: findings from the HERO project
Linking specific biological signatures to different childhood adversities: findings from the HERO project Open
View article: Early‐life stress and current stress predict BMI and height growth trajectories in puberty
Early‐life stress and current stress predict BMI and height growth trajectories in puberty Open
In cross‐sectional analyses, early institutional care is associated with shorter stature but not obesity during puberty in children adopted into US families. We examined whether shorter stature and leaner body composition in youth adopted …
View article: The importance of a family for cognitive development: A commentary
The importance of a family for cognitive development: A commentary Open
View article: Mental-Health Trajectories of U.S. Parents With Young Children During the COVID-19 Pandemic: A Universal Introduction of Risk
Mental-Health Trajectories of U.S. Parents With Young Children During the COVID-19 Pandemic: A Universal Introduction of Risk Open
Parents of young children were a subgroup of the population identified early in the pandemic as experiencing significant mental-health symptoms. Using a longitudinal sample of 3,085 parents from across the United States who had a child or …
View article: Material hardship level and unpredictability in relation to U.S. households’ family interactions and emotional well-being: Insights from the COVID-19 pandemic
Material hardship level and unpredictability in relation to U.S. households’ family interactions and emotional well-being: Insights from the COVID-19 pandemic Open
View article: Using machine learning to understand age and gender classification based on infant temperament
Using machine learning to understand age and gender classification based on infant temperament Open
Age and gender differences are prominent in the temperament literature, with the former particularly salient in infancy and the latter noted as early as the first year of life. This study represents a meta-analysis utilizing Infant Behavio…
View article: Does rapid rebound height growth come at a neurocognitive cost for previously institutionalized youth?
Does rapid rebound height growth come at a neurocognitive cost for previously institutionalized youth? Open
Background Height growth faltering is associated with less optimal behavioral outcomes and educational achievement. Although catch‐up growth after growth delay may result in developmental gains, it may also present as a double‐edged sword,…
View article: Pubertal stress recalibration and later social and emotional adjustment among adolescents: The role of early life stress
Pubertal stress recalibration and later social and emotional adjustment among adolescents: The role of early life stress Open
View article: Adoption and trauma: Risks, recovery, and the lived experience of adoption
Adoption and trauma: Risks, recovery, and the lived experience of adoption Open
View article: What was learned from studying the effects of early institutional deprivation
What was learned from studying the effects of early institutional deprivation Open
View article: Not in the same boat
Not in the same boat Open
It has become almost trite to say that although we are all in the same storm, we are not in the same boat. Nonetheless, the papers in this special issue attest to the truth of this statement. Each paper provides a snapshot of how the paren…
View article: The pubertal stress recalibration hypothesis: Potential neural and behavioral consequences
The pubertal stress recalibration hypothesis: Potential neural and behavioral consequences Open
Recent research has suggested that the pubertal period provides an opportunity for recalibrating the stress‐responsive systems in youth whose responses to stress have been altered by early adversity. Such recalibration may have cascading e…
View article: Cortisol Reactivity and Socially Anxious Behavior in Previously Institutionalized Youth
Cortisol Reactivity and Socially Anxious Behavior in Previously Institutionalized Youth Open
View article: Pubertal transition with current life stress and support alters longitudinal diurnal cortisol patterns in adolescents exposed to early life adversity
Pubertal transition with current life stress and support alters longitudinal diurnal cortisol patterns in adolescents exposed to early life adversity Open
Current and early life stress (ELS) are associated with diurnal cortisol patterns, which themselves are associated with mental and physical health. The pubertal recalibration hypothesis suggests that the social environment can impact dysre…
View article: Faculty Opinions recommendation of Developmental programming of mitochondrial biology: a conceptual framework and review.
Faculty Opinions recommendation of Developmental programming of mitochondrial biology: a conceptual framework and review. Open
Research on mechanisms underlying the phenomenon of developmental programming of health and disease has focused primarily on processes that are specific to cell types, organs and phenotypes of interest. However, the observation that exposu…
View article: Accelerated maturation in functional connectivity following early life stress: Circuit specific or broadly distributed?
Accelerated maturation in functional connectivity following early life stress: Circuit specific or broadly distributed? Open
Psychosocial acceleration theory and other frameworks adapted from life history predict a link between early life stress and accelerated maturation in several physiological systems. Those findings led researchers to suggest that the emotio…