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首页> 外文期刊>Journal of the American Academy of Child and Adolescent Psychiatry >Parenting Is an Environmental Predictor of Callous-Unemotional Traits and Aggression: A Monozygotic Twin Differences Study
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Parenting Is an Environmental Predictor of Callous-Unemotional Traits and Aggression: A Monozygotic Twin Differences Study

机译：育儿是一种环保性状的性状和侵略性的环境预测因素：单一孪晶双差异研究

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ObjectiveCallous-unemotional (CU) traits increase risk for children to develop severe childhood aggression and conduct disorder. CU traits are typically described as highly heritable, and debate continues about whether the parenting environment matters in their etiology. Strong genetically informed designs are needed to test for the presence of environmental links between parenting practices and CU traits. Our objective was to determine whether parental harshness and parental warmth were related to children’s aggression or CU traits when accounting for genetically mediated effects. MethodWe examined 227 monozygotic twin pairs (454 children) drawn from population-based and at-risk samples of twin families, leading to oversampling of twins living in poverty. We computed multi-informant difference scores combining mother and father reports of their harshness and warmth toward each twin, and differences in mother reports of each twin’s aggression and CU traits. ResultsTwin differences in parental harshness were related to differences in both aggression and CU traits, such that the twin who received harsher parenting had higher aggression and more CU traits. Differences in parental warmth were uniquely related to differences in CU traits, such that the twin receiving warmer parenting evidenced lower CU traits. These effects were not moderated by child sex, age, or family income, with the exception that the relationship between differential parental harshness and differential child aggression was stronger among low-income families. ConclusionParenting is related to child CU traits and aggression, over and above genetically mediated effects, with low parental warmth being a unique environmental correlate of CU traits.
机译：客观性 - 无情（Cu）特征会增加儿童发展严重儿童侵略和进行疾病的风险。 Cu特征通常被描述为高度可遗传，并且辩论继续关于养育环境是否在其病因中重要。需要强大的遗传知识的设计来测试育儿实践和Cu特征之间的环境联系。我们的目标是在核算基因介导的效果时，确定父母的刺激和父母的温暖是否与儿童的侵略或铜特征有关。方法我们检查了227个单吞咽双对（454名儿童），从基于人口和双胞胎家庭的风险样本中汲取，导致居住在贫困中的双胞胎过采血。我们计算了母亲和父亲对每个双胞胎的严厉和温暖的母亲和父亲报告的多通知差异分数，以及每个双胞胎的侵略和铜特征的母亲报告的差异。结果妇生长的父母症状的差异与侵略和Cu特征的差异有关，使得接受骚扰养育的双胞胎具有更高的侵略性和更多的Cu特征。父母温暖的差异与Cu特征的差异无关，使得双胞胎接受升温父母的父母已经证明了较低的Cu特征。这些效果不受儿童性，年龄或家庭收入的主持，除了差分父母的关系与差异子女侵略之间的关系，低收入家庭之间的关系。结论Perenting与细胞Cu特征和侵略相关，超过遗传介导的效果，具有低父母的温暖，是Cu特征的独特环境相关性。

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