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Sökning: L773:0954 5794 OR L773:1469 2198 > (2015-2019)

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1.
  • Allegrini, Andrea G, et al. (författare)
  • Gene × Environment contributions to autonomic stress reactivity in youth
  • 2019
  • Ingår i: Development and psychopathology (Print). - : Cambridge University Press. - 0954-5794 .- 1469-2198. ; 31:1, s. 293-307
  • Tidskriftsartikel (refereegranskat)abstract
    • Dysregulated physiological stress reactivity has been suggested to impact the development of children and adolescents with important health consequences throughout the life span. Both environmental adversity and genetic predispositions can lead to physiological imbalances in stress systems, which in turn lead to developmental differences. We investigated genetic and environmental contributions to autonomic nervous system reactivity to a psychosocial stressor. Furthermore, we tested whether these effects were consistent with the differential susceptibility framework. Composite measures of adverse life events combined with socioeconomic status were constructed. Effects of these adversity scores in interaction with a polygenic score summarizing six genetic variants, which were hypothesized to work as susceptibility factors, were tested on autonomic nervous system measures as indexed by heart rate and heart rate variability. Results showed that carriers of more genetic variants and exposed to high adversity manifested enhanced heart rate variability reactivity to a psychosocial stressor compared to carriers of fewer genetic variants. Conversely, the stress procedure elicited a more moderate response in these individuals compared to carriers of fewer variants when adversity was low.
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2.
  • Frick, Matilda A., et al. (författare)
  • Can reactivity and regulation in infancy predict inattentive and hyperactive/impulsive behavior in 3-year-olds?
  • 2019
  • Ingår i: Development and psychopathology (Print). - 0954-5794 .- 1469-2198. ; 31:2, s. 619-629
  • Tidskriftsartikel (refereegranskat)abstract
    • A need to identify early infant markers of later occurring inattentive and hyperactive/impulsive behaviors has come to the fore in the current attention-deficit/hyperactivity disorder literature. The purpose of such studies is to identify driving mechanisms that could enable early detection of attention-deficit/hyperactivity disorder liability and thus facilitate early intervention. Here we study independent and interactive effects of cognitive regulation (inhibition and sustained attention), temperament (reactive and regulatory aspects), and maternal sensitivity (as external regulation) in a sample of 112 typically developing 10-month-old infants (59 boys, 52.7%), in relation to inattentive and hyperactive/impulsive behavior at 3 years. The results showed that infant temperamental regulation and maternal sensitivity made independent contributions to both inattention and hyperactivity/impulsivity, in that higher levels of temperamental regulation and maternal sensitivity were related to less inattentive and hyperactive/impulsive behavior. In addition, the temperamental factor positive affectivity/surgency made a significant contribution to later hyperactivity/impulsivity, in that higher levels of positive affectivity/surgency were related to more hyperactive/impulsive behavior. No interaction effects were found. Our findings suggest temperament and parental regulation as potential and independent markers of later inattentive and hyperactive/impulsive behavior.
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3.
  • Lansford, Jennifer E, et al. (författare)
  • Individual, family, and culture level contributions to child physical abuse and neglect : A longitudinal study in nine countries.
  • 2015
  • Ingår i: Development and psychopathology (Print). - 0954-5794 .- 1469-2198. ; 27:4 Pt 2, s. 1417-1428
  • Tidskriftsartikel (refereegranskat)abstract
    • This study advances understanding of predictors of child abuse and neglect at multiple levels of influence. Mothers, fathers, and children (N = 1,418 families, M age of children = 8.29 years) were interviewed annually in three waves in 13 cultural groups in nine countries (China, Colombia, Italy, Jordan, Kenya, Philippines, Sweden, Thailand, and the United States). Multilevel models were estimated to examine predictors of (a) within-family differences across the three time points, (b) between-family within-culture differences, and (c) between-cultural group differences in mothers' and fathers' reports of corporal punishment and children's reports of their parents' neglect. These analyses addressed to what extent mothers' and fathers' use of corporal punishment and children's perceptions of their parents' neglect were predicted by parents' belief in the necessity of using corporal punishment, parents' perception of the normativeness of corporal punishment in their community, parents' progressive parenting attitudes, parents' endorsement of aggression, parents' education, children's externalizing problems, and children's internalizing problems at each of the three levels. Individual-level predictors (especially child externalizing behaviors) as well as cultural-level predictors (especially normativeness of corporal punishment in the community) predicted corporal punishment and neglect. Findings are framed in an international context that considers how abuse and neglect are defined by the global community and how countries have attempted to prevent abuse and neglect.
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4.
  • Lansford, Jennifer E., et al. (författare)
  • Parenting, culture, and the development of externalizing behaviors from age 7 to 14 in nine countries
  • 2018
  • Ingår i: Development and psychopathology (Print). - 0954-5794 .- 1469-2198. ; 30:SI, s. 1937-1958
  • Tidskriftsartikel (refereegranskat)abstract
    • Using multilevel models, we examined mother-, father-, and child-reported (N = 1,336 families) externalizing behavior problem trajectories from age 7 to 14 in nine countries (China, Colombia, Italy, Jordan, Kenya, the Philippines, Sweden, Thailand, and the United States). The intercept and slope of children's externalizing behavior trajectories varied both across individuals within culture and across cultures, and the variance was larger at the individual level than at the culture level. Mothers' and children's endorsement of aggression as well as mothers' authoritarian attitudes predicted higher age 8 intercepts of child externalizing behaviors. Furthermore, prediction from individual-level endorsement of aggression and authoritarian attitudes to more child externalizing behaviors was augmented by prediction from cultural-level endorsement of aggression and authoritarian attitudes, respectively. Cultures in which father-reported endorsement of aggression was higher and both mother- and father-reported authoritarian attitudes were higher also reported more child externalizing behavior problems at age 8. Among fathers, greater attributions regarding uncontrollable success in caregiving situations were associated with steeper declines in externalizing over time. Understanding cultural-level as well as individual-level correlates of children's externalizing behavior offers potential insights into prevention and intervention efforts that can be more effectively targeted at individual children and parents as well as targeted at changing cultural norms that increase the risk of children's and adolescents' externalizing behavior.
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5.
  • Lansford, Jennifer E., et al. (författare)
  • Reward sensitivity, impulse control, and social cognition as mediators of the link between childhood family adversity and externalizing behavior in eight countries
  • 2017
  • Ingår i: Development and psychopathology (Print). - 0954-5794 .- 1469-2198. ; 20:5, s. 1675-1688
  • Tidskriftsartikel (refereegranskat)abstract
    • Using data from 1,177 families in eight countries (Colombia, Italy, Jordan, Kenya, the Philippines, Sweden, Thailand, and the United States), we tested a conceptual model of direct effects of childhood family adversity on subsequent externalizing behaviors as well as indirect effects through psychological mediators. When children were 9 years old, mothers and fathers reported on financial difficulties and their use of corporal punishment, and children reported perceptions of their parents' rejection. When children were 10 years old, they completed a computerized battery of tasks assessing reward sensitivity and impulse control and responded to questions about hypothetical social provocations to assess their hostile attributions and proclivity for aggressive responding. When children were 12 years old, they reported on their externalizing behavior. Multigroup structural equation models revealed that across all eight countries, childhood family adversity had direct effects on externalizing behaviors 3 years later, and childhood family adversity had indirect effects on externalizing behavior through psychological mediators. The findings suggest ways in which family-level adversity poses risk for children's subsequent development of problems at psychological and behavioral levels, situated within diverse cultural contexts.
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6.
  • Olofsdotter, Susanne, et al. (författare)
  • Differential susceptibility effects of oxytocin gene (OXT) polymorphisms and perceived parenting on social anxiety among adolescents
  • 2018
  • Ingår i: Development and psychopathology (Print). - : CAMBRIDGE UNIV PRESS. - 0954-5794 .- 1469-2198. ; 30:2, s. 449-459
  • Tidskriftsartikel (refereegranskat)abstract
    • Social anxiety is one of the most commonly reported mental health problems among adolescents, and it has been suggested that parenting style influences an adolescent's level of anxiety. A context-dependent effect of oxytocin on human social behavior has been proposed; however, research on the oxytocin gene (OXT) has mostly been reported without considering contextual factors. This study investigated the interactions between parenting style and polymorphic variations in the OXT gene in association with social anxiety symptoms in a community sample of adolescents (n = 1,359). Two single nucleotide polymorphisms linked to OXT, rs4813625 and rs2770378, were genotyped. Social anxiety and perceived parenting style were assessed by behavioral questionnaires. In interaction models adjusted for sex, significant interaction effects with parenting style were observed for both variants in relation to social anxiety. The nature of the interactions was in line with the differential susceptibility framework for rs4813625, whereas for rs2770378 the results indicated a diathesis–stress type of interaction. The findings may be interpreted from the perspective of the social salience hypothesis of oxytocin, with rs4813625 affecting social anxiety levels along a perceived unsafe–safe social context dimension.
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7.
  • Silva, Teresa C, et al. (författare)
  • The moderating role of parenting on the relationship between psychopathy and antisocial behavior in adolescence
  • 2016
  • Ingår i: Development and psychopathology (Print). - Cambridge, United Kingdom : Cambridge University Press. - 0954-5794 .- 1469-2198. ; 28:2, s. 505-515
  • Tidskriftsartikel (refereegranskat)abstract
    • We aimed to analyze the impact of several parenting factors on the relationship between psychopathy and antisocial behavior. Nine hundred youths and their mothers reported on parent–youth interactions, and youth self-report measures of psychopathy, delinquency and violent behavior were taken. Multiple regression was used to test for the significance of interactions between parenting and psychopathy scores. In terms of delinquency, linear interactions between psychopathy and the level of conflict with parents and parents’ knowledge of their youths’ whereabouts/youths’ willingness to disclose information were found based on the data reported by the youths. Data reported by mothers indicated a linear interaction between psychopathy and parents’ knowledge/youth disclosure, and a quadratic interaction of conflict with parents. For violence, we used logistic regression models to analyze moderation. No interaction effectsbetween psychopahy scores and parenting factorswere found.Youths’ reports of high conflict with parents and parents’ knowledge/youth disclosure showed to have an impact on violence regardless of the level of psychopathic traits. Implications for the prevention and treatment are discussed.
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8.
  • Tuvblad, Catherine, 1968-, et al. (författare)
  • Psychopathic personality development from ages 9 to 18 : genes and environment
  • 2016
  • Ingår i: Development and psychopathology (Print). - New York : Cambridge University Press. - 0954-5794 .- 1469-2198. ; 28:1, s. 27-44
  • Tidskriftsartikel (refereegranskat)abstract
    • The genetic and environmental etiology of individual differences was examined in initial level and change in psychopathic personality from ages 9 to 18 years. A piecewise growth curve model, in which the first change score (G(1)) influenced all ages (9-10, 11-13, 14-15, and 16-18 years) and the second change score (G(2)) only influenced ages 14-15 and 16-18 years, fit the data better did than the standard single slope model, suggesting a turning point from childhood to adolescence. The results indicated that variations in levels and both change scores were mainly due to genetic (A) and nonshared environmental (E) influences (i.e., AE structure for G(0), G(1), and G(2)). No sex differences were found except on the mean values of level and change scores. Based on caregiver ratings, about 81% of variance in G(0), 89% of variance in G(1), and 94% of variance in G(2) were explained by genetic factors, whereas for youth self-reports, these three proportions were 94%, 71%, and 66%, respectively. The larger contribution of genetic variance and covariance in caregiver ratings than in youth self-reports may suggest that caregivers considered the changes in their children to be more similar as compared to how the children viewed themselves.
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9.
  • Wang, Pan, et al. (författare)
  • Genetic covariance between psychopathic traits and anticipatory skin conductance responses to threat : evidence for a potential endophenotype
  • 2015
  • Ingår i: Development and psychopathology (Print). - : Cambridge University Press. - 0954-5794 .- 1469-2198. ; 27:4, s. 1313-1322
  • Tidskriftsartikel (refereegranskat)abstract
    • The genetic architecture of the association between psychopathic traits and reduced skin conductance responses (SCRs) is poorly understood. By using 752 twins aged 9–10 years, this study investigated the heritability of two SCR measures (anticipatory SCRs to impending aversive stimuli and unconditioned SCRs to the aversive stimuli themselves) in a countdown task. The study also investigated the genetic and environmental sources of the covariance between these SCR measures and two psychopathic personality traits: impulsive/disinhibited (reflecting impulsive–antisocial tendencies) and manipulative/deceitful (reflecting the affective–interpersonal features). For anticipatory SCRs, 27%, 14%, and 59% of the variation was due to genetic, shared environmental, and nonshared environmental effects, respectively, while the percentages for unconditioned SCRs were 44%, 2%, and 54%. The manipulative/deceitful (not impulsive/disinhibited) traits were negatively associated with both anticipatory SCRs (r¼–.14,p,.05) and unconditioned SCRs (r¼–.17,p,.05) in males only, with the former association significantly accounted for by genetic influences (rg¼–.72). Reduced anticipatory SCRs representa candidate endophenotype for the affective–interpersonal facets of psychopathic traits in males.
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10.
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