Annual Research Review: Early adversity, the hypothalamic-pituitary-adrenocortical axis, and child psychopathology / Kalsea J. KOSS in Journal of Child Psychology and Psychiatry, 59-4 (April 2018)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 59-4 (April 2018) . - p.327-346 Titre : Annual Research Review: Early adversity, the hypothalamic-pituitary-adrenocortical axis, and child psychopathology Type de document : texte imprimé Auteurs : Kalsea J. KOSS, Auteur ; Megan R. GUNNAR, Auteur Article en page(s) : p.327-346 Langues : Anglais (eng) Mots-clés : Early adversity  hypothalamic-pituitary-adrenocortical axis  psychopathology Index. décimale : PER Périodiques Résumé : BACKGROUND: Research on early adversity, stress biology, and child development has grown exponentially in recent years. FINDINGS: We review the current evidence for the hypothalamic-pituitary-adrenocortical (HPA) axis as a stress-mediating mechanism between various forms of childhood adversity and psychopathology. We begin with a review of the neurobiology of the axis and evidence for relations between early adversity-HPA axis activity and HPA axis activity-psychopathology, as well as discuss the role of regulatory mechanisms and sensitive periods in development. CONCLUSIONS: We call attention to critical gaps in the literature to highlight next steps in this research including focus on developmental timing, sex differences, stress buffering, and epigenetic regulation. A better understanding of individual differences in the adversity-HPA axis-psychopathology associations will require continued work addressing how multiple biological and behavioral systems work in concert to shape development. En ligne : http://dx.doi.org/10.1111/jcpp.12784 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=353 [article] Annual Research Review: Early adversity, the hypothalamic-pituitary-adrenocortical axis, and child psychopathology [texte imprimé] / Kalsea J. KOSS, Auteur ; Megan R. GUNNAR, Auteur . - p.327-346. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 59-4 (April 2018) . - p.327-346 Mots-clés : Early adversity  hypothalamic-pituitary-adrenocortical axis  psychopathology Index. décimale : PER Périodiques Résumé : BACKGROUND: Research on early adversity, stress biology, and child development has grown exponentially in recent years. FINDINGS: We review the current evidence for the hypothalamic-pituitary-adrenocortical (HPA) axis as a stress-mediating mechanism between various forms of childhood adversity and psychopathology. We begin with a review of the neurobiology of the axis and evidence for relations between early adversity-HPA axis activity and HPA axis activity-psychopathology, as well as discuss the role of regulatory mechanisms and sensitive periods in development. CONCLUSIONS: We call attention to critical gaps in the literature to highlight next steps in this research including focus on developmental timing, sex differences, stress buffering, and epigenetic regulation. A better understanding of individual differences in the adversity-HPA axis-psychopathology associations will require continued work addressing how multiple biological and behavioral systems work in concert to shape development. En ligne : http://dx.doi.org/10.1111/jcpp.12784 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=353

Early adversity and children's regulatory deficits: Does postadoption parenting facilitate recovery in postinstitutionalized children? / Kalsea J. KOSS in Development and Psychopathology, 32-3 (August 2020)  

Public ISBD [article]  inDevelopment and Psychopathology > 32-3 (August 2020) . - p.879-896 Titre : Early adversity and children's regulatory deficits: Does postadoption parenting facilitate recovery in postinstitutionalized children? Type de document : texte imprimé Auteurs : Kalsea J. KOSS, Auteur ; Jamie M. LAWLER, Auteur ; Megan R. GUNNAR, Auteur Article en page(s) : p.879-896 Langues : Anglais (eng) Mots-clés : early adversity  executive function  international adoption  parenting  regulation Index. décimale : PER Périodiques Résumé : Children reared in orphanages typically experience the lack of stable, reliable caregivers and are at increased risk for deficits in regulatory abilities including difficulties in inhibitory control, attention, and emotion regulation. Although adoption results in a radical shift in caregiving quality, there remains variation in postadoption parenting, yet little research has examined postadoption parenting that may promote recovery in children experiencing early life adversity in the form of institutional care. Participants included 93 postinstitutionalized children adopted between 15 and 36 months of age and 52 nonadopted same-aged peers. Parenting was assessed four times during the first 2 years postadoption (at 2, 8, 16, and 24 months postadoption) and children's regulation was assessed at age 5 (M age = 61.68 months) and during kindergarten (M age = 71.55 months). Multiple parenting dimensions including sensitivity/responsiveness, structure/limit setting, and consistency in routines were examined. Both parental sensitivity and structure moderated the effect of preadoption adversity on children's emotion regulation while greater consistency was associated with better inhibitory control and fewer attention problems. Results support the notion that postadoption parenting during toddlerhood and the early preschool years promotes better regulation skills following early adversity. En ligne : http://dx.doi.org/10.1017/s0954579419001226 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=429 [article] Early adversity and children's regulatory deficits: Does postadoption parenting facilitate recovery in postinstitutionalized children? [texte imprimé] / Kalsea J. KOSS, Auteur ; Jamie M. LAWLER, Auteur ; Megan R. GUNNAR, Auteur . - p.879-896. Langues : Anglais (eng) in Development and Psychopathology > 32-3 (August 2020) . - p.879-896 Mots-clés : early adversity  executive function  international adoption  parenting  regulation Index. décimale : PER Périodiques Résumé : Children reared in orphanages typically experience the lack of stable, reliable caregivers and are at increased risk for deficits in regulatory abilities including difficulties in inhibitory control, attention, and emotion regulation. Although adoption results in a radical shift in caregiving quality, there remains variation in postadoption parenting, yet little research has examined postadoption parenting that may promote recovery in children experiencing early life adversity in the form of institutional care. Participants included 93 postinstitutionalized children adopted between 15 and 36 months of age and 52 nonadopted same-aged peers. Parenting was assessed four times during the first 2 years postadoption (at 2, 8, 16, and 24 months postadoption) and children's regulation was assessed at age 5 (M age = 61.68 months) and during kindergarten (M age = 71.55 months). Multiple parenting dimensions including sensitivity/responsiveness, structure/limit setting, and consistency in routines were examined. Both parental sensitivity and structure moderated the effect of preadoption adversity on children's emotion regulation while greater consistency was associated with better inhibitory control and fewer attention problems. Results support the notion that postadoption parenting during toddlerhood and the early preschool years promotes better regulation skills following early adversity. En ligne : http://dx.doi.org/10.1017/s0954579419001226 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=429

The course of early disinhibited social engagement among post-institutionalized adopted children / Jamie M. LAWLER in Journal of Child Psychology and Psychiatry, 57-10 (October 2016)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 57-10 (October 2016) . - p.1126-1134 Titre : The course of early disinhibited social engagement among post-institutionalized adopted children Type de document : texte imprimé Auteurs : Jamie M. LAWLER, Auteur ; Kalsea J. KOSS, Auteur ; Colleen M. DOYLE, Auteur ; Megan R. GUNNAR, Auteur Article en page(s) : p.1126-1134 Langues : Anglais (eng) Mots-clés : Adoption  attachment disorders  deprivation  developmental psychopathology  social behavior Index. décimale : PER Périodiques Résumé : Background Approximately 20% of post-institutionalized (PI) children exhibit disinhibited social engagement (DSE) or the propensity to approach and engage strangers. There is little longitudinal research examining changes in DSE after adoption, or methods of identifying children with persistent behaviors. Methods DSE was assessed observationally four times during the first 2 years postadoption in PI children 16–36 months at adoption (n = 68) relative to same-age nonadopted children (n = 52). At age 5, a validated interview determined which PI children met criteria for Disinhibited Social Engagement Disorder (DSED). Results DSE trajectories initially increased and then stabilized. PIs had higher DSE levels initially and a steeper increase rate than NAs. When separated into physical and nonphysical DSE components, group differences arose in initial physical DSE and the rate of change of nonphysical DSE. DSE rate of increase predicted DSED diagnosis, as did longer institutional duration and poorer institutional care. Conclusions The rate of increase in DSE postadoption, rather than the level observed at adoption, is predictive of disordered social engagement by age 5 years. En ligne : http://dx.doi.org/10.1111/jcpp.12606 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=295 [article] The course of early disinhibited social engagement among post-institutionalized adopted children [texte imprimé] / Jamie M. LAWLER, Auteur ; Kalsea J. KOSS, Auteur ; Colleen M. DOYLE, Auteur ; Megan R. GUNNAR, Auteur . - p.1126-1134. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 57-10 (October 2016) . - p.1126-1134 Mots-clés : Adoption  attachment disorders  deprivation  developmental psychopathology  social behavior Index. décimale : PER Périodiques Résumé : Background Approximately 20% of post-institutionalized (PI) children exhibit disinhibited social engagement (DSE) or the propensity to approach and engage strangers. There is little longitudinal research examining changes in DSE after adoption, or methods of identifying children with persistent behaviors. Methods DSE was assessed observationally four times during the first 2 years postadoption in PI children 16–36 months at adoption (n = 68) relative to same-age nonadopted children (n = 52). At age 5, a validated interview determined which PI children met criteria for Disinhibited Social Engagement Disorder (DSED). Results DSE trajectories initially increased and then stabilized. PIs had higher DSE levels initially and a steeper increase rate than NAs. When separated into physical and nonphysical DSE components, group differences arose in initial physical DSE and the rate of change of nonphysical DSE. DSE rate of increase predicted DSED diagnosis, as did longer institutional duration and poorer institutional care. Conclusions The rate of increase in DSE postadoption, rather than the level observed at adoption, is predictive of disordered social engagement by age 5 years. En ligne : http://dx.doi.org/10.1111/jcpp.12606 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=295

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