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Genetic and environmental influences on adolescent attachment / Richard M. PASCO FEARON in Journal of Child Psychology and Psychiatry, 55-9 (September 2014)
[article]
Titre : Genetic and environmental influences on adolescent attachment Type de document : Texte imprimé et/ou numérique Auteurs : Richard M. PASCO FEARON, Auteur ; Yael SHMUELI-GOETZ, Auteur ; Essi VIDING, Auteur ; Peter FONAGY, Auteur ; Robert PLOMIN, Auteur Article en page(s) : p.1033-1041 Langues : Anglais (eng) Mots-clés : Adolescence attachment genetics environmental influences Index. décimale : PER Périodiques Résumé : Background Twin studies consistently point to limited genetic influence on attachment security in the infancy period, but no study has examined whether this remains the case in later development. This study presents the findings from a twin study examining the relative importance of genetic and environmental influences on attachment in adolescence. Methods The sample included 551 twin pairs aged 15 years recruited from the larger Twins Early Development Study (TEDS). Attachment was assessed using a semistructured interview, the Child Attachment Interview. Results We found robust associations between MZ twins' scores for Coherence and their overall security of attachment (r = .42, p .001; kappa = .26, p .001), but substantially lower associations for DZ twins (r = .20, p = .001; kappa = .09, p = .20), suggesting genetic influence on adolescent attachment (and substantial nonshared environment). Model-fitting analyses confirmed this impression, indicating approximately 40% heritability of attachment and negligible influence of the shared environment. Conclusions The results suggest that genes may play an important role in adolescent attachment and point to the potentially distinct aetiological mechanisms involved in individual differences in attachment beyond early childhood. En ligne : http://dx.doi.org/10.1111/jcpp.12171 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=238
in Journal of Child Psychology and Psychiatry > 55-9 (September 2014) . - p.1033-1041[article] Genetic and environmental influences on adolescent attachment [Texte imprimé et/ou numérique] / Richard M. PASCO FEARON, Auteur ; Yael SHMUELI-GOETZ, Auteur ; Essi VIDING, Auteur ; Peter FONAGY, Auteur ; Robert PLOMIN, Auteur . - p.1033-1041.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 55-9 (September 2014) . - p.1033-1041
Mots-clés : Adolescence attachment genetics environmental influences Index. décimale : PER Périodiques Résumé : Background Twin studies consistently point to limited genetic influence on attachment security in the infancy period, but no study has examined whether this remains the case in later development. This study presents the findings from a twin study examining the relative importance of genetic and environmental influences on attachment in adolescence. Methods The sample included 551 twin pairs aged 15 years recruited from the larger Twins Early Development Study (TEDS). Attachment was assessed using a semistructured interview, the Child Attachment Interview. Results We found robust associations between MZ twins' scores for Coherence and their overall security of attachment (r = .42, p .001; kappa = .26, p .001), but substantially lower associations for DZ twins (r = .20, p = .001; kappa = .09, p = .20), suggesting genetic influence on adolescent attachment (and substantial nonshared environment). Model-fitting analyses confirmed this impression, indicating approximately 40% heritability of attachment and negligible influence of the shared environment. Conclusions The results suggest that genes may play an important role in adolescent attachment and point to the potentially distinct aetiological mechanisms involved in individual differences in attachment beyond early childhood. En ligne : http://dx.doi.org/10.1111/jcpp.12171 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=238 Research Review: Environmental exposures, neurodevelopment, and child mental health – new paradigms for the study of brain and behavioral effects / Virginia A. RAUH in Journal of Child Psychology and Psychiatry, 57-7 (July 2016)
[article]
Titre : Research Review: Environmental exposures, neurodevelopment, and child mental health – new paradigms for the study of brain and behavioral effects Type de document : Texte imprimé et/ou numérique Auteurs : Virginia A. RAUH, Auteur ; Amy E. MARGOLIS, Auteur Article en page(s) : p.775-793 Langues : Anglais (eng) Mots-clés : Mental health environmental influences neuropsychology brain development Index. décimale : PER Périodiques Résumé : Background Environmental exposures play a critical role in the genesis of some child mental health problems. Methods We open with a discussion of children's vulnerability to neurotoxic substances, changes in the distribution of toxic exposures, and cooccurrence of social and physical exposures. We address trends in prevalence of mental health disorders, and approaches to the definition of disorders that are sensitive to the subtle effects of toxic exposures. We suggest broadening outcomes to include dimensional measures of autism spectrum disorders, attention-deficit hyperactivity disorder, and child learning capacity, as well as direct assessment of brain function. Findings We consider the impact of two important exposures on children's mental health: lead and pesticides. We argue that longitudinal research designs may capture the cascading effects of exposures across biological systems and the full-range of neuropsychological endpoints. Neuroimaging is a valuable tool for observing brain maturation under varying environmental conditions. A dimensional approach to measurement may be sensitive to subtle subclinical toxic effects, permitting the development of exposure-related profiles and testing of complex functional relationships between brain and behavior. Questions about the neurotoxic effects of chemicals become more pressing when viewed through the lens of environmental justice. Conclusions Reduction in the burden of child mental health disorders will require longitudinal study of neurotoxic exposures, incorporating dimensional approaches to outcome assessment, and measures of brain function. Research that seeks to identify links between toxic exposures and mental health outcomes has enormous public health and societal value. En ligne : http://dx.doi.org/10.1111/jcpp.12537 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=291
in Journal of Child Psychology and Psychiatry > 57-7 (July 2016) . - p.775-793[article] Research Review: Environmental exposures, neurodevelopment, and child mental health – new paradigms for the study of brain and behavioral effects [Texte imprimé et/ou numérique] / Virginia A. RAUH, Auteur ; Amy E. MARGOLIS, Auteur . - p.775-793.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 57-7 (July 2016) . - p.775-793
Mots-clés : Mental health environmental influences neuropsychology brain development Index. décimale : PER Périodiques Résumé : Background Environmental exposures play a critical role in the genesis of some child mental health problems. Methods We open with a discussion of children's vulnerability to neurotoxic substances, changes in the distribution of toxic exposures, and cooccurrence of social and physical exposures. We address trends in prevalence of mental health disorders, and approaches to the definition of disorders that are sensitive to the subtle effects of toxic exposures. We suggest broadening outcomes to include dimensional measures of autism spectrum disorders, attention-deficit hyperactivity disorder, and child learning capacity, as well as direct assessment of brain function. Findings We consider the impact of two important exposures on children's mental health: lead and pesticides. We argue that longitudinal research designs may capture the cascading effects of exposures across biological systems and the full-range of neuropsychological endpoints. Neuroimaging is a valuable tool for observing brain maturation under varying environmental conditions. A dimensional approach to measurement may be sensitive to subtle subclinical toxic effects, permitting the development of exposure-related profiles and testing of complex functional relationships between brain and behavior. Questions about the neurotoxic effects of chemicals become more pressing when viewed through the lens of environmental justice. Conclusions Reduction in the burden of child mental health disorders will require longitudinal study of neurotoxic exposures, incorporating dimensional approaches to outcome assessment, and measures of brain function. Research that seeks to identify links between toxic exposures and mental health outcomes has enormous public health and societal value. En ligne : http://dx.doi.org/10.1111/jcpp.12537 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=291 A Genetic Study of the Family Environment in the Transition to Early Adolescence / Kirby DEATER-DECKARD in Journal of Child Psychology and Psychiatry, 40-5 (July 1999)
[article]
Titre : A Genetic Study of the Family Environment in the Transition to Early Adolescence Type de document : Texte imprimé et/ou numérique Auteurs : Kirby DEATER-DECKARD, Auteur ; David W. FULKER, Auteur ; Robert PLOMIN, Auteur Année de publication : 1999 Article en page(s) : p.769-775 Langues : Anglais (eng) Mots-clés : Environmental influences family functioning genetics parent/child relationships. Index. décimale : PER Périodiques Résumé : The aim of this longitudinal sibling adoption study was to estimate genetic and environmental components of variance in parent- and child-reported measures of the family environment (parental negative affect, negative control, and achievement orientation). Participants included 85 adoptive and 106 nonadoptive sibling pairs from the Colorado Adoption Project. Parents and children completed annual assessments of the family environment when the children were 10, 11, and 12 years old, and genetic and environmental parameter estimates were derived. Genetic influences were found for parent-reported negativity and warmth and child-reported achievement orientation, suggesting child genetic effects on these measures of the family environment. Shared environmental influences were found for parent-reported negativity, inconsistent discipline, warmth, and child-reported positivity. Nonshared environmental variance was substantial for children's ratings, but modest for parents' ratings. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=124
in Journal of Child Psychology and Psychiatry > 40-5 (July 1999) . - p.769-775[article] A Genetic Study of the Family Environment in the Transition to Early Adolescence [Texte imprimé et/ou numérique] / Kirby DEATER-DECKARD, Auteur ; David W. FULKER, Auteur ; Robert PLOMIN, Auteur . - 1999 . - p.769-775.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 40-5 (July 1999) . - p.769-775
Mots-clés : Environmental influences family functioning genetics parent/child relationships. Index. décimale : PER Périodiques Résumé : The aim of this longitudinal sibling adoption study was to estimate genetic and environmental components of variance in parent- and child-reported measures of the family environment (parental negative affect, negative control, and achievement orientation). Participants included 85 adoptive and 106 nonadoptive sibling pairs from the Colorado Adoption Project. Parents and children completed annual assessments of the family environment when the children were 10, 11, and 12 years old, and genetic and environmental parameter estimates were derived. Genetic influences were found for parent-reported negativity and warmth and child-reported achievement orientation, suggesting child genetic effects on these measures of the family environment. Shared environmental influences were found for parent-reported negativity, inconsistent discipline, warmth, and child-reported positivity. Nonshared environmental variance was substantial for children's ratings, but modest for parents' ratings. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=124 Genetics and Child Psychiatry: I Advances in Quantitative and Molecular Genetics / Michael RUTTER in Journal of Child Psychology and Psychiatry, 40-1 (January 1999)
[article]
Titre : Genetics and Child Psychiatry: I Advances in Quantitative and Molecular Genetics Type de document : Texte imprimé et/ou numérique Auteurs : Michael RUTTER, Auteur ; Judy L. SILBERG, Auteur ; Thomas G. O'CONNOR, Auteur ; Emily SIMONOFF, Auteur Année de publication : 1999 Article en page(s) : p.3-18 Langues : Anglais (eng) Mots-clés : Genetics psychiatric disorder children environmental influences adoption twins Index. décimale : PER Périodiques Résumé : Advances in quantitative psychiatric genetics as a whole are reviewed with respect to conceptual and methodological issues in relation to statistical model fitting, new genetic designs, twin and adoptee studies, definition of the phenotype, pervasiveness of genetic influences, pervasiveness of environmental influences, shared and nonshared environmental effects, and nature-nurture interplay. Advances in molecular genetics are discussed in relation to the shifts in research strategies to investigate multifactorial disorders (affected relative linkage designs, association strategies, and quantitative trait loci studies); new techniques and identified genetic mechanisms (expansion of trinucleotide repeats, genomic imprinting, mitochondrial DNA, fluorescent in-situ hybridisation, behavioural phenotypes, and animal models); and the successful localisation of genes. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=124
in Journal of Child Psychology and Psychiatry > 40-1 (January 1999) . - p.3-18[article] Genetics and Child Psychiatry: I Advances in Quantitative and Molecular Genetics [Texte imprimé et/ou numérique] / Michael RUTTER, Auteur ; Judy L. SILBERG, Auteur ; Thomas G. O'CONNOR, Auteur ; Emily SIMONOFF, Auteur . - 1999 . - p.3-18.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 40-1 (January 1999) . - p.3-18
Mots-clés : Genetics psychiatric disorder children environmental influences adoption twins Index. décimale : PER Périodiques Résumé : Advances in quantitative psychiatric genetics as a whole are reviewed with respect to conceptual and methodological issues in relation to statistical model fitting, new genetic designs, twin and adoptee studies, definition of the phenotype, pervasiveness of genetic influences, pervasiveness of environmental influences, shared and nonshared environmental effects, and nature-nurture interplay. Advances in molecular genetics are discussed in relation to the shifts in research strategies to investigate multifactorial disorders (affected relative linkage designs, association strategies, and quantitative trait loci studies); new techniques and identified genetic mechanisms (expansion of trinucleotide repeats, genomic imprinting, mitochondrial DNA, fluorescent in-situ hybridisation, behavioural phenotypes, and animal models); and the successful localisation of genes. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=124 Birth weight as an independent predictor of ADHD symptoms: a within-twin pair analysis / Erik PETTERSSON in Journal of Child Psychology and Psychiatry, 56-4 (April 2015)
[article]
Titre : Birth weight as an independent predictor of ADHD symptoms: a within-twin pair analysis Type de document : Texte imprimé et/ou numérique Auteurs : Erik PETTERSSON, Auteur ; Arvid SJÖLANDER, Auteur ; Catarina ALMQVIST, Auteur ; Henrik ANCKARSATER, Auteur ; Brian M. D'ONOFRIO, Auteur ; Paul LICHTENSTEIN, Auteur ; Henrik LARSSON, Auteur Article en page(s) : p.453-459 Langues : Anglais (eng) Mots-clés : ADHD DSM birth weight behavioral genetics environmental influences Index. décimale : PER Périodiques Résumé : Background Studies have found an association between low birth weight and ADHD, but the nature of this relation is unclear. First, it is uncertain whether birth weight is associated with both of the ADHD dimensions, inattentiveness and hyperactivity-impulsivity. Second, it remains uncertain whether the association between birth weight and ADHD symptom severity is confounded by familial factors. Method Parents of all Swedish 9- and 12-year-old twins born between 1992 and 2000 were interviewed for DSM-IV inattentive and hyperactive-impulsive ADHD symptoms by the Autism – Tics, AD/HD and other Comorbidities (A-TAC) inventory (N = 21,775 twins). Birth weight was collected prospectively through the Medical Birth Registry. We used a within-twin pair design to control for genetic and shared environmental factors. Results Reduced birth weight was significantly associated with a mean increase in total ADHD (? = ?.42; 95% CI: ?.53, ?.30), inattentive (? = ?.26; 95% CI: ?.33, ?.19), and hyperactive-impulsive (? = ?.16; 95% CI: ?.22, ?.10) symptom severity. These results imply that a change of one kilogram of birth weight corresponded to parents rating their child nearly one unit higher (going from “no” to “yes, to some extent” on a given symptom) on the total ADHD scale. These associations remained within pairs of MZ and DZ twins, and were also present when restricting the analyses to full term births. Conclusions There is an independent association between low birth weight and all forms of ADHD symptoms, even after controlling for all environmental and genetic confounds shared within twin pairs. These results indicate that fetal growth restriction (as reflected in birth weight differences within twin pairs) and/or the environmental factors which influence it is in the casual pathway leading to ADHD. En ligne : http://dx.doi.org/10.1111/jcpp.12299 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=260
in Journal of Child Psychology and Psychiatry > 56-4 (April 2015) . - p.453-459[article] Birth weight as an independent predictor of ADHD symptoms: a within-twin pair analysis [Texte imprimé et/ou numérique] / Erik PETTERSSON, Auteur ; Arvid SJÖLANDER, Auteur ; Catarina ALMQVIST, Auteur ; Henrik ANCKARSATER, Auteur ; Brian M. D'ONOFRIO, Auteur ; Paul LICHTENSTEIN, Auteur ; Henrik LARSSON, Auteur . - p.453-459.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 56-4 (April 2015) . - p.453-459
Mots-clés : ADHD DSM birth weight behavioral genetics environmental influences Index. décimale : PER Périodiques Résumé : Background Studies have found an association between low birth weight and ADHD, but the nature of this relation is unclear. First, it is uncertain whether birth weight is associated with both of the ADHD dimensions, inattentiveness and hyperactivity-impulsivity. Second, it remains uncertain whether the association between birth weight and ADHD symptom severity is confounded by familial factors. Method Parents of all Swedish 9- and 12-year-old twins born between 1992 and 2000 were interviewed for DSM-IV inattentive and hyperactive-impulsive ADHD symptoms by the Autism – Tics, AD/HD and other Comorbidities (A-TAC) inventory (N = 21,775 twins). Birth weight was collected prospectively through the Medical Birth Registry. We used a within-twin pair design to control for genetic and shared environmental factors. Results Reduced birth weight was significantly associated with a mean increase in total ADHD (? = ?.42; 95% CI: ?.53, ?.30), inattentive (? = ?.26; 95% CI: ?.33, ?.19), and hyperactive-impulsive (? = ?.16; 95% CI: ?.22, ?.10) symptom severity. These results imply that a change of one kilogram of birth weight corresponded to parents rating their child nearly one unit higher (going from “no” to “yes, to some extent” on a given symptom) on the total ADHD scale. These associations remained within pairs of MZ and DZ twins, and were also present when restricting the analyses to full term births. Conclusions There is an independent association between low birth weight and all forms of ADHD symptoms, even after controlling for all environmental and genetic confounds shared within twin pairs. These results indicate that fetal growth restriction (as reflected in birth weight differences within twin pairs) and/or the environmental factors which influence it is in the casual pathway leading to ADHD. En ligne : http://dx.doi.org/10.1111/jcpp.12299 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=260 Children's Language Learning: An Interactionist Perspective / Robin S. CHAPMAN in Journal of Child Psychology and Psychiatry, 41-1 (January 2000)
PermalinkInstitutional Care: Risk from Family Background or Pattern of Rearing? / Penny ROY in Journal of Child Psychology and Psychiatry, 41-2 (February 2000)
PermalinkMaternal serotonin transporter genotype affects risk for ASD with exposure to prenatal stress / Patrick M. HECHT in Autism Research, 9-11 (November 2016)
PermalinkSeverity of ASD symptoms and their correlation with the presence of copy number variations and exposure to first trimester ultrasound / Sara Jane WEBB in Autism Research, 10-3 (March 2017)
PermalinkStimulation Seeking and Hyperactivity in Children with ADHD / Inge ANTROP in Journal of Child Psychology and Psychiatry, 41-2 (February 2000)
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