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Dopaminergic, serotonergic, and oxytonergic candidate genes associated with infant attachment security and disorganization? In search of main and interaction effects / Maartje P.C.M. LUIJK in Journal of Child Psychology and Psychiatry, 52-12 (December 2011)
[article]
Titre : Dopaminergic, serotonergic, and oxytonergic candidate genes associated with infant attachment security and disorganization? In search of main and interaction effects Type de document : Texte imprimé et/ou numérique Auteurs : Maartje P.C.M. LUIJK, Auteur ; Glenn I. ROISMAN, Auteur ; John D. HALTIGAN, Auteur ; Henning TIEMEIER, Auteur ; Cathryn BOOTH-LAFORCE, Auteur ; Marinus H. VAN IJZENDOORN, Auteur ; Jay BELSKY, Auteur ; André G. UITTERLINDEN, Auteur ; Vincent W.V. JADDOE, Auteur ; Albert HOFMAN, Auteur ; Frank C. VERHULST, Auteur ; Anne THARNER, Auteur ; Marian J. BAKERMANS-KRANENBURG, Auteur Année de publication : 2011 Article en page(s) : p.1295-1307 Langues : Anglais (eng) Mots-clés : Attachment Strange Situation Procedure candidate genes parenting sensitivity G × E Index. décimale : PER Périodiques Résumé : Background and methods: In two birth cohort studies with genetic, sensitive parenting, and attachment data of more than 1,000 infants in total, we tested main and interaction effects of candidate genes involved in the dopamine, serotonin, and oxytocin systems (DRD4, DRD2, COMT, 5-HTT, OXTR) on attachment security and disorganization. Parenting was assessed using observational rating scales for parental sensitivity (Ainsworth, Bell, & Stayton, 1974), and infant attachment was assessed with the Strange Situation Procedure.
Results: We found no consistent additive genetic associations for attachment security and attachment disorganization. However, specific tests revealed evidence for a codominant risk model for COMT Val158Met, consistent across both samples. Children with the Val/Met genotype showed higher disorganization scores (combined effect size d = .22, CI = .10–.34, p < .001). Gene-by-environment interaction effects were not replicable across the two samples.
Conclusions: This unexpected finding might be explained by a broader range of plasticity in heterozygotes, which may increase susceptibility to environmental influences or to dysregulation of emotional arousal. This study is unique in combining the two largest attachment cohorts with molecular genetic and observed rearing environment data to date.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2011.02440.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=147
in Journal of Child Psychology and Psychiatry > 52-12 (December 2011) . - p.1295-1307[article] Dopaminergic, serotonergic, and oxytonergic candidate genes associated with infant attachment security and disorganization? In search of main and interaction effects [Texte imprimé et/ou numérique] / Maartje P.C.M. LUIJK, Auteur ; Glenn I. ROISMAN, Auteur ; John D. HALTIGAN, Auteur ; Henning TIEMEIER, Auteur ; Cathryn BOOTH-LAFORCE, Auteur ; Marinus H. VAN IJZENDOORN, Auteur ; Jay BELSKY, Auteur ; André G. UITTERLINDEN, Auteur ; Vincent W.V. JADDOE, Auteur ; Albert HOFMAN, Auteur ; Frank C. VERHULST, Auteur ; Anne THARNER, Auteur ; Marian J. BAKERMANS-KRANENBURG, Auteur . - 2011 . - p.1295-1307.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 52-12 (December 2011) . - p.1295-1307
Mots-clés : Attachment Strange Situation Procedure candidate genes parenting sensitivity G × E Index. décimale : PER Périodiques Résumé : Background and methods: In two birth cohort studies with genetic, sensitive parenting, and attachment data of more than 1,000 infants in total, we tested main and interaction effects of candidate genes involved in the dopamine, serotonin, and oxytocin systems (DRD4, DRD2, COMT, 5-HTT, OXTR) on attachment security and disorganization. Parenting was assessed using observational rating scales for parental sensitivity (Ainsworth, Bell, & Stayton, 1974), and infant attachment was assessed with the Strange Situation Procedure.
Results: We found no consistent additive genetic associations for attachment security and attachment disorganization. However, specific tests revealed evidence for a codominant risk model for COMT Val158Met, consistent across both samples. Children with the Val/Met genotype showed higher disorganization scores (combined effect size d = .22, CI = .10–.34, p < .001). Gene-by-environment interaction effects were not replicable across the two samples.
Conclusions: This unexpected finding might be explained by a broader range of plasticity in heterozygotes, which may increase susceptibility to environmental influences or to dysregulation of emotional arousal. This study is unique in combining the two largest attachment cohorts with molecular genetic and observed rearing environment data to date.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2011.02440.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=147 Improving parenting, child attachment, and externalizing behaviors: Meta-analysis of the first 25 randomized controlled trials on the effects of Video-feedback Intervention to promote Positive Parenting and Sensitive Discipline / Marinus H. VAN IJZENDOORN in Development and Psychopathology, 35-1 (February 2023)
[article]
Titre : Improving parenting, child attachment, and externalizing behaviors: Meta-analysis of the first 25 randomized controlled trials on the effects of Video-feedback Intervention to promote Positive Parenting and Sensitive Discipline Type de document : Texte imprimé et/ou numérique Auteurs : Marinus H. VAN IJZENDOORN, Auteur ; Carlo SCHUENGEL, Auteur ; Qiang WANG, Auteur ; Marian J. BAKERMANS-KRANENBURG, Auteur Article en page(s) : p.241-256 Langues : Anglais (eng) Mots-clés : causality individual participant data meta-analysis parenting attitudes risk of bias strange situation procedure Index. décimale : PER Périodiques Résumé : Improving parenting, child attachment, and externalizing behaviors: Meta-analysis of the first 25 randomized controlled trials on the effects of Video-feedback Intervention to promote Positive Parenting and Sensitive Discipline (VIPP-SD). VIPP-SD combines support of parental sensitive responsiveness with coaching parents in sensitive limit setting. Here, we present meta-analyses of 25 RCTs conducted with more than 2,000 parents and caregivers. Parents or children had various risks. We examined its effectiveness in promoting parental cognitions and behavior regarding sensitive parenting and limit setting, in promoting secure child-parent attachment, and reducing externalizing child behavior. Web of Science, MEDLINE, PubMed, and recent reviews were searched for relevant trials (until May 10, 2021). Multilevel meta-analysis with META, METAFOR, and DMETAR in R took account of the 3-level structure of the datasets (studies, participants, measures). The meta-analyses showed substantial combined effect sizes for parenting behavior (r = .18) and attitudes (r = .16), and for child attachment security (r = .23), but not for child externalizing behavior (r = .07). In the subset of studies examining effects on both parenting and attachment, the association between effect sizes for parenting and for attachment amounted to r = .48. We consider the way in which VIPP-SD uses video-feedback an active intervention component. Whether VIPP-SD indeed stimulates secure attachment through enhanced positive parenting remains an outstanding question for further experimental study and individual participant data meta-analysis. En ligne : https://doi.org/10.1017/S0954579421001462 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=499
in Development and Psychopathology > 35-1 (February 2023) . - p.241-256[article] Improving parenting, child attachment, and externalizing behaviors: Meta-analysis of the first 25 randomized controlled trials on the effects of Video-feedback Intervention to promote Positive Parenting and Sensitive Discipline [Texte imprimé et/ou numérique] / Marinus H. VAN IJZENDOORN, Auteur ; Carlo SCHUENGEL, Auteur ; Qiang WANG, Auteur ; Marian J. BAKERMANS-KRANENBURG, Auteur . - p.241-256.
Langues : Anglais (eng)
in Development and Psychopathology > 35-1 (February 2023) . - p.241-256
Mots-clés : causality individual participant data meta-analysis parenting attitudes risk of bias strange situation procedure Index. décimale : PER Périodiques Résumé : Improving parenting, child attachment, and externalizing behaviors: Meta-analysis of the first 25 randomized controlled trials on the effects of Video-feedback Intervention to promote Positive Parenting and Sensitive Discipline (VIPP-SD). VIPP-SD combines support of parental sensitive responsiveness with coaching parents in sensitive limit setting. Here, we present meta-analyses of 25 RCTs conducted with more than 2,000 parents and caregivers. Parents or children had various risks. We examined its effectiveness in promoting parental cognitions and behavior regarding sensitive parenting and limit setting, in promoting secure child-parent attachment, and reducing externalizing child behavior. Web of Science, MEDLINE, PubMed, and recent reviews were searched for relevant trials (until May 10, 2021). Multilevel meta-analysis with META, METAFOR, and DMETAR in R took account of the 3-level structure of the datasets (studies, participants, measures). The meta-analyses showed substantial combined effect sizes for parenting behavior (r = .18) and attitudes (r = .16), and for child attachment security (r = .23), but not for child externalizing behavior (r = .07). In the subset of studies examining effects on both parenting and attachment, the association between effect sizes for parenting and for attachment amounted to r = .48. We consider the way in which VIPP-SD uses video-feedback an active intervention component. Whether VIPP-SD indeed stimulates secure attachment through enhanced positive parenting remains an outstanding question for further experimental study and individual participant data meta-analysis. En ligne : https://doi.org/10.1017/S0954579421001462 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=499