Negative parental discipline, conduct problems and callous–unemotional traits: monozygotic twin differences study
نویسندگان
چکیده
منابع مشابه
Negative parental discipline, conduct problems and callous-unemotional traits: monozygotic twin differences study.
BACKGROUND Negative parenting practices may be an environmental risk factor for subsequent conduct problems. Research on the association between parenting practices and callous-unemotional traits, a risk factor for conduct problems, has produced mixed findings. AIMS To investigate whether negative parental discipline is a non-shared environmental risk factor for the development of conduct pro...
متن کاملThe role of harsh discipline in explaining sex differences in conduct disorder: a study of opposite-sex twin pairs.
In the current study, two hypotheses about the role of harsh discipline (HD) in explaining the sex difference in the prevalence of conduct disorder (CD) were evaluated: that boys exhibit more CD than girls because (1) they are exposed to more HD and/or (2) there is a greater association between HD and CD in boys. These hypotheses were evaluated in a sample of male and female adult twins from di...
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BACKGROUND Comparisons between monozygotic (MZ) co-twins have tended to focus on the similarities between their dentitions rather than differences. The aim of this study was to determine the prevalence of discordant expression for simple hypodontia and supernumerary teeth in MZ twin pairs and to explain how phenotypic differences might occur despite their similar genotypes. METHODS Records of...
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OBJECTIVES The etiology of MS is unknown but genetic factors are supported by a high concordance in twins. Geographic distribution and migration studies indicate, however, the importance of environmental factors. MATERIAL AND METHODS We studied 3 pairs of genetically identical twins who had shared the same environment but were discordant for MS. Serum samples were assayed for antibodies again...
متن کاملUsing monozygotic twin differences to examine the relationship between parental affection and personality: a life history account
Article history: Initial receipt 2 February 2017 25 September 2017 Final revision received 25 September 2017 Available online xxxx The relationship betweenmaternal and paternal affection, reported in adulthood, and personality was examined using a genetically sensitive research design comparing differences betweenmonozygotic twins. Using life history theory as a framework, itwas predicted that ...
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ژورنال
عنوان ژورنال: British Journal of Psychiatry
سال: 2009
ISSN: 0007-1250,1472-1465
DOI: 10.1192/bjp.bp.108.061192