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Auteur Johanna BICK |
Documents disponibles écrits par cet auteur (4)
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Childhood adversity and DNA methylation of genes involved in the hypothalamus–pituitary–adrenal axis and immune system: Whole-genome and candidate-gene associations / Johanna BICK in Development and Psychopathology, 24-4 (November 2012)
[article]
Titre : Childhood adversity and DNA methylation of genes involved in the hypothalamus–pituitary–adrenal axis and immune system: Whole-genome and candidate-gene associations Type de document : Texte imprimé et/ou numérique Auteurs : Johanna BICK, Auteur ; Oksana Yu NAUMOVA, Auteur ; Scott HUNTER, Auteur ; Baptiste BARBOT, Auteur ; Maria LEE, Auteur ; Suniya S. LUTHAR, Auteur ; Adam RAEFSKI, Auteur ; Elena L. GRIGORENKO, Auteur Année de publication : 2012 Article en page(s) : p.1417-1425 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : In recent years, translational research involving humans and animals has uncovered biological and physiological pathways that explain associations between early adverse circumstances and long-term mental and physical health outcomes. In this article, we summarize the human and animal literature demonstrating that epigenetic alterations in key biological systems, the hypothalamus–pituitary–adrenal axis and immune system, may underlie such disparities. We review evidence suggesting that changes in DNA methylation profiles of the genome may be responsible for the alterations in hypothalamus–pituitary–adrenal axis and immune system trajectories. Using some preliminary data, we demonstrate how explorations of genome-wide and candidate-gene DNA methylation profiles may inform hypotheses and guide future research efforts in these areas. We conclude our article by discussing the many important future directions, merging perspectives from developmental psychology, molecular genetics, neuroendocrinology, and immunology, that are essential for furthering our understanding of how early adverse circumstances may shape developmental trajectories, particularly in the areas of stress reactivity and physical or mental health. En ligne : http://dx.doi.org/10.1017/S0954579412000806 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=182
in Development and Psychopathology > 24-4 (November 2012) . - p.1417-1425[article] Childhood adversity and DNA methylation of genes involved in the hypothalamus–pituitary–adrenal axis and immune system: Whole-genome and candidate-gene associations [Texte imprimé et/ou numérique] / Johanna BICK, Auteur ; Oksana Yu NAUMOVA, Auteur ; Scott HUNTER, Auteur ; Baptiste BARBOT, Auteur ; Maria LEE, Auteur ; Suniya S. LUTHAR, Auteur ; Adam RAEFSKI, Auteur ; Elena L. GRIGORENKO, Auteur . - 2012 . - p.1417-1425.
Langues : Anglais (eng)
in Development and Psychopathology > 24-4 (November 2012) . - p.1417-1425
Index. décimale : PER Périodiques Résumé : In recent years, translational research involving humans and animals has uncovered biological and physiological pathways that explain associations between early adverse circumstances and long-term mental and physical health outcomes. In this article, we summarize the human and animal literature demonstrating that epigenetic alterations in key biological systems, the hypothalamus–pituitary–adrenal axis and immune system, may underlie such disparities. We review evidence suggesting that changes in DNA methylation profiles of the genome may be responsible for the alterations in hypothalamus–pituitary–adrenal axis and immune system trajectories. Using some preliminary data, we demonstrate how explorations of genome-wide and candidate-gene DNA methylation profiles may inform hypotheses and guide future research efforts in these areas. We conclude our article by discussing the many important future directions, merging perspectives from developmental psychology, molecular genetics, neuroendocrinology, and immunology, that are essential for furthering our understanding of how early adverse circumstances may shape developmental trajectories, particularly in the areas of stress reactivity and physical or mental health. En ligne : http://dx.doi.org/10.1017/S0954579412000806 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=182 Effects of early institutionalization on emotion processing in 12-year-old youth / Johanna BICK in Development and Psychopathology, 29-5 (December 2017)
[article]
Titre : Effects of early institutionalization on emotion processing in 12-year-old youth Type de document : Texte imprimé et/ou numérique Auteurs : Johanna BICK, Auteur ; Rhiannon LUYSTER, Auteur ; Nathan A. FOX, Auteur ; Charles H. ZEANAH, Auteur ; Charles A. NELSON, Auteur Article en page(s) : p.1749-1761 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : We examined facial emotion recognition in 12-year-olds in a longitudinally followed sample of children with and without exposure to early life psychosocial deprivation (institutional care). Half of the institutionally reared children were randomized into foster care homes during the first years of life. Facial emotion recognition was examined in a behavioral task using morphed images. This same task had been administered when children were 8 years old. Neutral facial expressions were morphed with happy, sad, angry, and fearful emotional facial expressions, and children were asked to identify the emotion of each face, which varied in intensity. Consistent with our previous report, we show that some areas of emotion processing, involving the recognition of happy and fearful faces, are affected by early deprivation, whereas other areas, involving the recognition of sad and angry faces, appear to be unaffected. We also show that early intervention can have a lasting positive impact, normalizing developmental trajectories of processing negative emotions (fear) into the late childhood/preadolescent period. En ligne : http://dx.doi.org/10.1017/S0954579417001377 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=323
in Development and Psychopathology > 29-5 (December 2017) . - p.1749-1761[article] Effects of early institutionalization on emotion processing in 12-year-old youth [Texte imprimé et/ou numérique] / Johanna BICK, Auteur ; Rhiannon LUYSTER, Auteur ; Nathan A. FOX, Auteur ; Charles H. ZEANAH, Auteur ; Charles A. NELSON, Auteur . - p.1749-1761.
Langues : Anglais (eng)
in Development and Psychopathology > 29-5 (December 2017) . - p.1749-1761
Index. décimale : PER Périodiques Résumé : We examined facial emotion recognition in 12-year-olds in a longitudinally followed sample of children with and without exposure to early life psychosocial deprivation (institutional care). Half of the institutionally reared children were randomized into foster care homes during the first years of life. Facial emotion recognition was examined in a behavioral task using morphed images. This same task had been administered when children were 8 years old. Neutral facial expressions were morphed with happy, sad, angry, and fearful emotional facial expressions, and children were asked to identify the emotion of each face, which varied in intensity. Consistent with our previous report, we show that some areas of emotion processing, involving the recognition of happy and fearful faces, are affected by early deprivation, whereas other areas, involving the recognition of sad and angry faces, appear to be unaffected. We also show that early intervention can have a lasting positive impact, normalizing developmental trajectories of processing negative emotions (fear) into the late childhood/preadolescent period. En ligne : http://dx.doi.org/10.1017/S0954579417001377 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=323 Intervening to enhance cortisol regulation among children at risk for neglect: Results of a randomized clinical trial / Kristin BERNARD in Development and Psychopathology, 27-3 (August 2015)
[article]
Titre : Intervening to enhance cortisol regulation among children at risk for neglect: Results of a randomized clinical trial Type de document : Texte imprimé et/ou numérique Auteurs : Kristin BERNARD, Auteur ; Mary DOZIER, Auteur ; Johanna BICK, Auteur ; M. Kathleen GORDON, Auteur Article en page(s) : p.829-841 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : The hypothalamus–pituitary–adrenal axis is particularly sensitive to conditions of maltreatment. In particular, neglected children have shown a flatter slope with lower wake-up values relative to nonneglected children. An intervention, the Attachment and Biobehavioral Catch-Up (ABC), was developed to enhance biological and behavioral regulation in young children at risk for neglect. The effectiveness of the intervention was assessed in a randomized clinical trial for children with involvement with Child Protective Services. Following the intervention, children receiving the ABC intervention (n = 49) showed more typical cortisol production, with higher wake-up cortisol values and a steeper diurnal slope, than children receiving the control intervention (n = 51). These results suggest that the ABC intervention is effective in enhancing biological regulation. En ligne : http://dx.doi.org/10.1017/S095457941400073X Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=263
in Development and Psychopathology > 27-3 (August 2015) . - p.829-841[article] Intervening to enhance cortisol regulation among children at risk for neglect: Results of a randomized clinical trial [Texte imprimé et/ou numérique] / Kristin BERNARD, Auteur ; Mary DOZIER, Auteur ; Johanna BICK, Auteur ; M. Kathleen GORDON, Auteur . - p.829-841.
Langues : Anglais (eng)
in Development and Psychopathology > 27-3 (August 2015) . - p.829-841
Index. décimale : PER Périodiques Résumé : The hypothalamus–pituitary–adrenal axis is particularly sensitive to conditions of maltreatment. In particular, neglected children have shown a flatter slope with lower wake-up values relative to nonneglected children. An intervention, the Attachment and Biobehavioral Catch-Up (ABC), was developed to enhance biological and behavioral regulation in young children at risk for neglect. The effectiveness of the intervention was assessed in a randomized clinical trial for children with involvement with Child Protective Services. Following the intervention, children receiving the ABC intervention (n = 49) showed more typical cortisol production, with higher wake-up cortisol values and a steeper diurnal slope, than children receiving the control intervention (n = 51). These results suggest that the ABC intervention is effective in enhancing biological regulation. En ligne : http://dx.doi.org/10.1017/S095457941400073X Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=263 Schooling and variation in the COMT gene: the devil is in the details / Daniel B. CAMPBELL in Journal of Child Psychology and Psychiatry, 54-10 (October 2013)
[article]
Titre : Schooling and variation in the COMT gene: the devil is in the details Type de document : Texte imprimé et/ou numérique Auteurs : Daniel B. CAMPBELL, Auteur ; Johanna BICK, Auteur ; Carolyn M. YRIGOLLEN, Auteur ; Maria LEE, Auteur ; Antony JOSEPH, Auteur ; Joseph T. CHANG, Auteur ; Elena L. GRIGORENKO, Auteur ; LEARNING DISABILITIES PROJECT ZAMBIA,, Auteur Article en page(s) : p.1056-1065 Langues : Anglais (eng) Mots-clés : Schooling nonverbal intelligence the COMT gene haplotype analysis haplo.glm interaction effects Index. décimale : PER Périodiques Résumé : Background Schooling is considered one of the major contributors to the development of intelligence within societies and individuals. Genetic variation might modulate the impact of schooling and explain, at least partially, the presence of individual differences in classrooms. Method We studied a sample of 1,502 children (mean age = 11.7 years) from Zambia. Approximately 57% of these children were enrolled in school, and the rest were not. To quantify genetic variation, we investigated a number of common polymorphisms in the catechol-O-methyltransferase (COMT) gene that controls the production of the protein thought to account for 60% of the dopamine degradation in the prefrontal cortex. Results Haplotype analyses generated results ranging from the presence to absence of significant interactions between a number of COMT haplotypes and indicators of schooling (i.e., in- vs. out-of-school and grade completed) in the prediction of nonverbal intelligence, depending on the parameter specification. However, an investigation of the distribution of corresponding p-values suggested that these positive results were false. Conclusions Convincing evidence that the variation in the COMT gene is associated with individual differences in nonverbal intelligence either directly or through interactions with schooling was not found. p-values produced by the method of testing for haplotype effects employed here may be sensitive to parameter settings, invalid under default settings, and should be checked for validity through simulation. En ligne : http://dx.doi.org/10.1111/jcpp.12120 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=212
in Journal of Child Psychology and Psychiatry > 54-10 (October 2013) . - p.1056-1065[article] Schooling and variation in the COMT gene: the devil is in the details [Texte imprimé et/ou numérique] / Daniel B. CAMPBELL, Auteur ; Johanna BICK, Auteur ; Carolyn M. YRIGOLLEN, Auteur ; Maria LEE, Auteur ; Antony JOSEPH, Auteur ; Joseph T. CHANG, Auteur ; Elena L. GRIGORENKO, Auteur ; LEARNING DISABILITIES PROJECT ZAMBIA,, Auteur . - p.1056-1065.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 54-10 (October 2013) . - p.1056-1065
Mots-clés : Schooling nonverbal intelligence the COMT gene haplotype analysis haplo.glm interaction effects Index. décimale : PER Périodiques Résumé : Background Schooling is considered one of the major contributors to the development of intelligence within societies and individuals. Genetic variation might modulate the impact of schooling and explain, at least partially, the presence of individual differences in classrooms. Method We studied a sample of 1,502 children (mean age = 11.7 years) from Zambia. Approximately 57% of these children were enrolled in school, and the rest were not. To quantify genetic variation, we investigated a number of common polymorphisms in the catechol-O-methyltransferase (COMT) gene that controls the production of the protein thought to account for 60% of the dopamine degradation in the prefrontal cortex. Results Haplotype analyses generated results ranging from the presence to absence of significant interactions between a number of COMT haplotypes and indicators of schooling (i.e., in- vs. out-of-school and grade completed) in the prediction of nonverbal intelligence, depending on the parameter specification. However, an investigation of the distribution of corresponding p-values suggested that these positive results were false. Conclusions Convincing evidence that the variation in the COMT gene is associated with individual differences in nonverbal intelligence either directly or through interactions with schooling was not found. p-values produced by the method of testing for haplotype effects employed here may be sensitive to parameter settings, invalid under default settings, and should be checked for validity through simulation. En ligne : http://dx.doi.org/10.1111/jcpp.12120 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=212