简介：AbstractImportance:Parents take the lead in parent-child interactions and their emotion regulation ability and empathy during parenting may be associated with children’s emotional/behavioral problems. However, the specific mechanisms underlying these associations remain unclear.Objective:The present study aimed to explore the effect of parental empathy and emotional regulation on social competence and emotional/behavioral problems in school-age children.Methods:A questionnaire-based survey was conducted with 274 parents of 8-11-year-old children using Achenbach’s Child Behavior Checklist, the Emotion Regulation Questionnaire, and the Questionnaire of Cognitive and Affective Empathy.Results:Children with emotional/behavioral problems (n = 37) had relatively lower social competence than children in a matched control group (n = 37). Compared with the parents of children in the control group, parents of children with emotional/behavioral problems had significantly lower cognitive empathy scores, mainly manifested by low perspective-taking and online simulation abilities. Mediation analysis showed that parental cognitive empathy had an indirect effect on children’s emotional/behavioral problems through children’s social competence.Interpretation:Parental empathy may have a subtle influence on the social competence of school-aged children, which further affects the severity of children’s emotional/behavioral problems.

简介：AbstractBackground:Excessive exposure to fluoride can reduce intelligence. Methylenetetrahydrofolate dehydrogenase, cyclohydrolase, and formyltetrahydrofolate synthetase 1 (MTHFD1) polymorphisms have important roles in neurodevelopment. However, the association of MTHFD1 polymorphisms with children’s intelligence changes in endemic fluorosis areas has been rarely explored.Methods:A cross-sectional study was conducted in four randomly selected primary schools in Tongxu County, Henan Province, from April to May in 2017. A total of 694 children aged 8 to 12 years were included in the study with the recruitment by the cluster sampling method. Urinary fluoride (UF) and urinary creatinine were separately determined using the fluoride ion-selective electrode and creatinine assay kit. Children were classified as the high fluoride group and control group according to the median of urinary creatinine-adjusted urinary fluoride (UFCr) level. Four loci of MTHFD1 were genotyped, and the Combined Raven’s Test was used to evaluate children’s intelligence quotient (IQ). Generalized linear model and multinomial logistic regression model were performed to analyze the associations between children’s UFCr level, MTHFD1 polymorphisms, and intelligence. The general linear model was used to explore the effects of gene-environment and gene-gene interaction on intelligence.Results:In the high fluoride group, children’s IQ scores decreased by 2.502 when the UFCr level increased by 1.0 mg/L (β= –2.502, 95% confidence interval [CI]: –4.411, –0.593), and the possibility for having "excellent" intelligence decreased by 46.3% (odds ratio = 0.537, 95% CI: 0.290, 0.994). Children with the GG genotype showed increased IQ scores than those with the AA genotype of rs11627387 locus in the high fluoride group (P < 0.05). Interactions between fluoride exposure and MTHFD1 polymorphisms on intelligence were observed (Pinteraction < 0.05).Conclusion:Our findings suggest that excessive fluoride exposure may have adverse effects on children’s intelligence, and changes in children’s intelligence may be associated with the interaction between fluoride and MTHFD1 polymorphisms.

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简介：BackgroundDesigning在孩子和少年的年龄评价的一条简单、可存取的途径是运动和物理活动(PA)的领域里的大挑战。这研究被设计开发并且验证在代表性的研究在2014进行了的年轻children.MethodsIn估计年龄的一个physical-examination-based方法，我们执行了物理考试并且在上海在14,970小学孩子7-12岁之中估计了PA，中国。孩子们高度和出生日期的另外的生物信息通过他们的父母被查明。二指示物被使用开发一个性特定的年龄评价方程：预言的成熟高度(PPMH)和更黝黑的阶段的百分比。方程通过一条k褶层交叉验证途径被验证。到为评价精确性的支票，在估计的年龄(EA)和按年代先后的年龄和PA的差异之间的协会是EA的性特定的方程如下是的examined.ResultsThe：EA男孩=-6.071+6.559更黝黑的2+13.315更黝黑的3+14.130更黝黑的4+0.190PPMH-0.071更黝黑2

简介：影片讲述了在冰河世纪这个充满惊喜与危险的蛮荒时代,因为一名突如其来的人类婴儿，让三只性格迥异的动物凑在一起的故事。其中，曼菲德和席德一心想护送婴儿返回亲人身边，而迭哥则试图将他们带入自己族类设下的埋伏圈。

简介：认一认高音狗和小伙伴们一起来到博物馆，参观有趣的恐龙展览。下面的恐龙，你认识哪些？

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简介：[1]这是一位长者对孩子谆谆善诱的教育，实际上是“I”第一人称在说话。Yes是开始说话的一种语气，翻译时可以省略。

简介：信息产业时代的到来，中国载人飞船的成功发射，数码风暴的“狂风巨浪”，都为我们生活的祥和空间平添一份精彩！

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简介：Theseyearshavewitnessedtherapidgrowingofinternet,andwearesteppingintoanewage-InternetAge.Buttheprivacyonhumanrightsthatfollowedhasbecomethehotissue.Thisessaytriestoexposetheprivacyfocusingonthehumanrightsundertheinternetage.Itilluminatestherightofprivacyininternetagethroughtheoriginofprivacy.Bythecomparisonoftraditionalunderstandingofprivacyandexpeditionofprivacyunderinternetage,theessayconcludesthattherightofprivacywillbetransmittedbyinternetandwillinfluencethedevelopmentofinternetaswell.

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简介：Tom,a15-year--oldboy,wasastudentatahighschoolinOhio.Hewasnotagoodstudent.Hedidnotbehaveatschool.Hetalkedinclass,andhewasoftenlate.Histeacherstoldhim,"Gototheprincipal'soffice."

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简介：哎呀，终于开学啦！我发现我其实还是很喜欢上学的。因为在学校里有我的好哥们和同学。

简介：Ihaveabeautifulschool.ItisYuDongprimaryschool.I’mstudyhereeveryday.Myschoolisverybigandverynice.Therearealotofclassmatesandteachers.Therearesometreesandsomebeautifulflowers

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