Can friends protect genetically vulnerable children from depression? / Mara BRENDGEN in Development and Psychopathology, 25-2 (May 2013)  

Public ISBD [article]  inDevelopment and Psychopathology > 25-2 (May 2013) . - p.277-289 Titre : Can friends protect genetically vulnerable children from depression? Type de document : Texte imprimé et/ou numérique Auteurs : Mara BRENDGEN, Auteur ; Frank VITARO, Auteur ; William M. BUKOWSKI, Auteur ; Ginette DIONNE, Auteur ; Richard E. TREMBLAY, Auteur ; Michel BOIVIN, Auteur Article en page(s) : p.277-289 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : The study examined whether reciprocal friendship quantity or quality can mitigate genetic vulnerability for depression symptoms in children. The sample comprised 168 monozygotic twin pairs and 126 same-sex dizygotic twin pairs assessed in Grade 4 (mean age = 10.04 years). Friendship participation was measured via reciprocal nominations of close friendships within the classroom. Friendship quality was measured through self-reports. Depression symptoms were measured through teacher and peer reports. Genetic vulnerability for depression symptoms was unrelated to friendship participation or the number of reciprocal friends, but it was negatively related to positive friendship quality. In line with gene–environment interaction, genetic risk effects on depression symptoms were mitigated in girls who had at least one close reciprocal friend. In boys, only moderate main effects of genetic vulnerability and friendship participation were found but no interaction between them. However, among boys with at least one reciprocal friend, a greater number of friends was related to fewer depression symptoms whereas no cumulative effect of friendship was found for girls. Finally, positive friendship quality was related to fewer depression symptoms in girls and boys even when controlling for genetic risk. The findings emphasize the importance of teaching social interactional skills that promote high-quality friendship relations to help prevent the development of depression symptoms in children. En ligne : http://dx.doi.org/10.1017/S0954579412001058 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=199 [article] Can friends protect genetically vulnerable children from depression? [Texte imprimé et/ou numérique] / Mara BRENDGEN, Auteur ; Frank VITARO, Auteur ; William M. BUKOWSKI, Auteur ; Ginette DIONNE, Auteur ; Richard E. TREMBLAY, Auteur ; Michel BOIVIN, Auteur . - p.277-289. Langues : Anglais (eng) in Development and Psychopathology > 25-2 (May 2013) . - p.277-289 Index. décimale : PER Périodiques Résumé : The study examined whether reciprocal friendship quantity or quality can mitigate genetic vulnerability for depression symptoms in children. The sample comprised 168 monozygotic twin pairs and 126 same-sex dizygotic twin pairs assessed in Grade 4 (mean age = 10.04 years). Friendship participation was measured via reciprocal nominations of close friendships within the classroom. Friendship quality was measured through self-reports. Depression symptoms were measured through teacher and peer reports. Genetic vulnerability for depression symptoms was unrelated to friendship participation or the number of reciprocal friends, but it was negatively related to positive friendship quality. In line with gene–environment interaction, genetic risk effects on depression symptoms were mitigated in girls who had at least one close reciprocal friend. In boys, only moderate main effects of genetic vulnerability and friendship participation were found but no interaction between them. However, among boys with at least one reciprocal friend, a greater number of friends was related to fewer depression symptoms whereas no cumulative effect of friendship was found for girls. Finally, positive friendship quality was related to fewer depression symptoms in girls and boys even when controlling for genetic risk. The findings emphasize the importance of teaching social interactional skills that promote high-quality friendship relations to help prevent the development of depression symptoms in children. En ligne : http://dx.doi.org/10.1017/S0954579412001058 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=199

Gene–environment interplay between peer rejection and depressive behavior in children / Mara BRENDGEN in Journal of Child Psychology and Psychiatry, 50-8 (August 2009)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 50-8 (August 2009) . - p.1009-1017 Titre : Gene–environment interplay between peer rejection and depressive behavior in children Type de document : Texte imprimé et/ou numérique Auteurs : Mara BRENDGEN, Auteur ; Richard E. TREMBLAY, Auteur ; Frank VITARO, Auteur ; Alain GIRARD, Auteur ; Michel BOIVIN, Auteur ; Ginette DIONNE, Auteur ; Daniel PERUSSE, Auteur ; William M. BUKOWSKI, Auteur Année de publication : 2009 Article en page(s) : p.1009-1017 Langues : Anglais (eng) Mots-clés : Gene–environment interaction • gene–environment correlation • depressive-behavior peer-rejection childhood twins behavioral-genetics Index. décimale : PER Périodiques Résumé : Background: Genetic risk for depressive behavior may increase the likelihood of exposure to environmental stressors (gene–environment correlation, rGE). By the same token, exposure to environmental stressors may moderate the effect of genes on depressive behavior (gene–environment interaction, G×E). Relating these processes to a peer-related stressor in childhood, the present study examined (1) whether genetic risk for depressive behavior in children is related to higher levels of rejection by the peer group (rGE) and (2) whether peer rejection moderates the effect of genetic factors on children's depressive behavior (G×E). Methods: The sample comprised 336 twin pairs (MZ pairs = 196, same-sex DZ pairs = 140) assessed in kindergarten (mean age 72.7 months). Peer acceptance/rejection was measured via peer nominations. Depressive behavior was measured through teacher ratings. Results: Consistent with rGE, a moderate overlap of genetic effects was found between peer acceptance/rejection and depressive behavior. In line with G×E, genetic effects on depressive behavior varied across levels of peer acceptance/rejection. Conclusions: An increased genetic disposition for depressive behavior is related to a higher risk of peer rejection (rGE). However, genes play a lesser role in explaining individual differences in depressive behavior in rejected children than in accepted children (G×E). En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02052.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=788 [article] Gene–environment interplay between peer rejection and depressive behavior in children [Texte imprimé et/ou numérique] / Mara BRENDGEN, Auteur ; Richard E. TREMBLAY, Auteur ; Frank VITARO, Auteur ; Alain GIRARD, Auteur ; Michel BOIVIN, Auteur ; Ginette DIONNE, Auteur ; Daniel PERUSSE, Auteur ; William M. BUKOWSKI, Auteur . - 2009 . - p.1009-1017. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 50-8 (August 2009) . - p.1009-1017 Mots-clés : Gene–environment interaction • gene–environment correlation • depressive-behavior peer-rejection childhood twins behavioral-genetics Index. décimale : PER Périodiques Résumé : Background: Genetic risk for depressive behavior may increase the likelihood of exposure to environmental stressors (gene–environment correlation, rGE). By the same token, exposure to environmental stressors may moderate the effect of genes on depressive behavior (gene–environment interaction, G×E). Relating these processes to a peer-related stressor in childhood, the present study examined (1) whether genetic risk for depressive behavior in children is related to higher levels of rejection by the peer group (rGE) and (2) whether peer rejection moderates the effect of genetic factors on children's depressive behavior (G×E). Methods: The sample comprised 336 twin pairs (MZ pairs = 196, same-sex DZ pairs = 140) assessed in kindergarten (mean age 72.7 months). Peer acceptance/rejection was measured via peer nominations. Depressive behavior was measured through teacher ratings. Results: Consistent with rGE, a moderate overlap of genetic effects was found between peer acceptance/rejection and depressive behavior. In line with G×E, genetic effects on depressive behavior varied across levels of peer acceptance/rejection. Conclusions: An increased genetic disposition for depressive behavior is related to a higher risk of peer rejection (rGE). However, genes play a lesser role in explaining individual differences in depressive behavior in rejected children than in accepted children (G×E). En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02052.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=788

Peer victimization as a predictor of depression and body mass index in obese and non-obese adolescents / Ryan E. ADAMS in Journal of Child Psychology and Psychiatry, 49-8 (August 2008)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 49-8 (August 2008) . - p.858 - 866 Titre : Peer victimization as a predictor of depression and body mass index in obese and non-obese adolescents Type de document : Texte imprimé et/ou numérique Auteurs : Ryan E. ADAMS, Auteur ; William M. BUKOWSKI, Auteur Année de publication : 2008 Article en page(s) : p.858 - 866 Langues : Anglais (eng) Mots-clés : Adolescence body-image depression obesity peer-victimization self-concept Index. décimale : PER Périodiques Résumé : Background: The current study examined the pathway from peer victimization to depressive symptoms and body mass index (BMI) as mediated by self-concept for physical appearance in both obese and non-obese adolescents. It was thought that this pathway would be particularly important for obese adolescents because, compared to non-obese adolescents, they are at risk for being victimized and because the victimization would be more likely to lead to lower self-concept. Method: Utilizing data from the National Longitudinal Survey of Children and Youth, the current study examined self-reports of peer victimization, self-concept for physical appearance, depressive symptoms, height, and weight in 1,287 adolescents at three time periods over four years starting when the participants were between the ages of 12 and 13. Results: For non-obese adolescents, victimization did not predict changes in depressive symptoms and body mass index (BMI) four years later. For obese females, the mediated pathway was found from victimization to self-concept to both depressive symptoms and increases in BMI. For obese males, the findings were more complicated. In this group, the mediated pathway was found from victimization to self-concept to decreases in BMI, but a mediated pathway was not found for depressive symptoms. Conclusions: The current study suggests that a risk-factor for being victimized, such as obesity, may play an important role in the long-term effects of victimization by making it more likely that the adolescent will be victimized over the long term but also that victimization can reinforce the negative self-perceptions that the adolescent already has. It is important to go beyond using obesity as a predictor of long-term adjustment and examine the processes and experiences of obese individuals that might more directly cause depression or changes in health. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2008.01886.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=542 [article] Peer victimization as a predictor of depression and body mass index in obese and non-obese adolescents [Texte imprimé et/ou numérique] / Ryan E. ADAMS, Auteur ; William M. BUKOWSKI, Auteur . - 2008 . - p.858 - 866. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 49-8 (August 2008) . - p.858 - 866 Mots-clés : Adolescence body-image depression obesity peer-victimization self-concept Index. décimale : PER Périodiques Résumé : Background: The current study examined the pathway from peer victimization to depressive symptoms and body mass index (BMI) as mediated by self-concept for physical appearance in both obese and non-obese adolescents. It was thought that this pathway would be particularly important for obese adolescents because, compared to non-obese adolescents, they are at risk for being victimized and because the victimization would be more likely to lead to lower self-concept. Method: Utilizing data from the National Longitudinal Survey of Children and Youth, the current study examined self-reports of peer victimization, self-concept for physical appearance, depressive symptoms, height, and weight in 1,287 adolescents at three time periods over four years starting when the participants were between the ages of 12 and 13. Results: For non-obese adolescents, victimization did not predict changes in depressive symptoms and body mass index (BMI) four years later. For obese females, the mediated pathway was found from victimization to self-concept to both depressive symptoms and increases in BMI. For obese males, the findings were more complicated. In this group, the mediated pathway was found from victimization to self-concept to decreases in BMI, but a mediated pathway was not found for depressive symptoms. Conclusions: The current study suggests that a risk-factor for being victimized, such as obesity, may play an important role in the long-term effects of victimization by making it more likely that the adolescent will be victimized over the long term but also that victimization can reinforce the negative self-perceptions that the adolescent already has. It is important to go beyond using obesity as a predictor of long-term adjustment and examine the processes and experiences of obese individuals that might more directly cause depression or changes in health. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2008.01886.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=542

Predicting psychosis-spectrum diagnoses in adulthood from social behaviors and neighborhood contexts in childhood / Paul D. HASTINGS in Development and Psychopathology, 32-2 (May 2020)  

Public ISBD [article]  inDevelopment and Psychopathology > 32-2 (May 2020) . - p.465-479 Titre : Predicting psychosis-spectrum diagnoses in adulthood from social behaviors and neighborhood contexts in childhood Type de document : Texte imprimé et/ou numérique Auteurs : Paul D. HASTINGS, Auteur ; Lisa A. SERBIN, Auteur ; William M. BUKOWSKI, Auteur ; Jonathan L. HELM, Auteur ; Dale M. STACK, Auteur ; Daniel J. DICKSON, Auteur ; Jane E. LEDINGHAM, Auteur ; Alex SCHWARTZMAN, Auteur Article en page(s) : p.465-479 Langues : Anglais (eng) Mots-clés : longitudinal  poverty  psychoses  schizophrenia  social behavior Index. décimale : PER Périodiques Résumé : Research showing that risk for schizophrenia, bipolar disorder with psychosis, and other psychosis-spectrum diagnoses in adulthood is multidetermined has underscored the necessity of studying the additive and interactive factors in childhood that precede and predict future disorders. In this study, risk for the development of psychosis-spectrum disorders was examined in a 2-generation, 30-year prospective longitudinal study of 3,905 urban families against a sociocultural backdrop of changing economic and social conditions. Peer nominations of aggression, withdrawal, and likeability and national census information on neighborhood-level socioeconomic disadvantage in childhood, as well as changes in neighborhood socioeconomic conditions over the lifespan, were examined as predictors of diagnoses of schizophrenia, bipolar disorder, and other psychosis-spectrum disorders in adulthood relative to developing only nonpsychotic disorders or no psychiatric disorders. Individuals who were both highly aggressive and highly withdrawn were at greater risk for other psychosis-spectrum diagnoses when they experienced greater neighborhood disadvantage in childhood or worsening neighborhood conditions over maturation. Males who were highly aggressive but low on withdrawal were at greater risk for schizophrenia diagnoses. Childhood neighborhood disadvantage predicted both schizophrenia and bipolar diagnoses, regardless of childhood social behavior. Results provided strong support for multiple-domain models of psychopathology, and suggest that universal preventive interventions and social policies aimed at improving neighborhood conditions may be particularly important for decreasing the prevalence of psychosis-spectrum diagnoses in the future. En ligne : http://dx.doi.org/10.1017/s095457941900021x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=426 [article] Predicting psychosis-spectrum diagnoses in adulthood from social behaviors and neighborhood contexts in childhood [Texte imprimé et/ou numérique] / Paul D. HASTINGS, Auteur ; Lisa A. SERBIN, Auteur ; William M. BUKOWSKI, Auteur ; Jonathan L. HELM, Auteur ; Dale M. STACK, Auteur ; Daniel J. DICKSON, Auteur ; Jane E. LEDINGHAM, Auteur ; Alex SCHWARTZMAN, Auteur . - p.465-479. Langues : Anglais (eng) in Development and Psychopathology > 32-2 (May 2020) . - p.465-479 Mots-clés : longitudinal  poverty  psychoses  schizophrenia  social behavior Index. décimale : PER Périodiques Résumé : Research showing that risk for schizophrenia, bipolar disorder with psychosis, and other psychosis-spectrum diagnoses in adulthood is multidetermined has underscored the necessity of studying the additive and interactive factors in childhood that precede and predict future disorders. In this study, risk for the development of psychosis-spectrum disorders was examined in a 2-generation, 30-year prospective longitudinal study of 3,905 urban families against a sociocultural backdrop of changing economic and social conditions. Peer nominations of aggression, withdrawal, and likeability and national census information on neighborhood-level socioeconomic disadvantage in childhood, as well as changes in neighborhood socioeconomic conditions over the lifespan, were examined as predictors of diagnoses of schizophrenia, bipolar disorder, and other psychosis-spectrum disorders in adulthood relative to developing only nonpsychotic disorders or no psychiatric disorders. Individuals who were both highly aggressive and highly withdrawn were at greater risk for other psychosis-spectrum diagnoses when they experienced greater neighborhood disadvantage in childhood or worsening neighborhood conditions over maturation. Males who were highly aggressive but low on withdrawal were at greater risk for schizophrenia diagnoses. Childhood neighborhood disadvantage predicted both schizophrenia and bipolar diagnoses, regardless of childhood social behavior. Results provided strong support for multiple-domain models of psychopathology, and suggest that universal preventive interventions and social policies aimed at improving neighborhood conditions may be particularly important for decreasing the prevalence of psychosis-spectrum diagnoses in the future. En ligne : http://dx.doi.org/10.1017/s095457941900021x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=426

Reactivity and distortions in the self: Narcissism, types of aggression, and the functioning of the hypothalamic–pituitary–adrenal axis during early adolescence / William M. BUKOWSKI in Development and Psychopathology, 21-4 (November 2009)  

Public ISBD [article]  inDevelopment and Psychopathology > 21-4 (November 2009) . - p.1249-1262 Titre : Reactivity and distortions in the self: Narcissism, types of aggression, and the functioning of the hypothalamic–pituitary–adrenal axis during early adolescence Type de document : Texte imprimé et/ou numérique Auteurs : William M. BUKOWSKI, Auteur ; Ryan E. ADAMS, Auteur ; Alex SCHWARTZMAN, Auteur ; Jonathan SANTO, Auteur ; Catherine BAGWELL, Auteur Année de publication : 2009 Article en page(s) : p.1249-1262 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : A multisample, multistudy project aimed at understanding how individual differences in narcissism during early adolescence are related to distortions in the aggression, and the reactivity of the hypothalamic–pituitary–adrenal axis to negative and positive experiences. The findings indicate that individual differences in narcissism are a remarkably stable aspect of personality during early adolescence. It is predictably related to an inflated view of the self that is not warranted by objective indices of social functioning. Further evidence shows that it promotes the continuity of aggressive behavior and is more strongly related to reactive aggression than to proactive aggression and more strongly related to relational aggression than to physical aggression. Finally, there is evidence that distortions in the self may derive from the inadequate functioning of the hypothalamic–pituitary–adrenal axis, one of the body's main response system for dealing with stress. These findings are discussed in terms of the processes by which early adolescents react to threats and arousal in their daily functioning. En ligne : http://dx.doi.org/10.1017/s0954579409990149 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=847 [article] Reactivity and distortions in the self: Narcissism, types of aggression, and the functioning of the hypothalamic–pituitary–adrenal axis during early adolescence [Texte imprimé et/ou numérique] / William M. BUKOWSKI, Auteur ; Ryan E. ADAMS, Auteur ; Alex SCHWARTZMAN, Auteur ; Jonathan SANTO, Auteur ; Catherine BAGWELL, Auteur . - 2009 . - p.1249-1262. Langues : Anglais (eng) in Development and Psychopathology > 21-4 (November 2009) . - p.1249-1262 Index. décimale : PER Périodiques Résumé : A multisample, multistudy project aimed at understanding how individual differences in narcissism during early adolescence are related to distortions in the aggression, and the reactivity of the hypothalamic–pituitary–adrenal axis to negative and positive experiences. The findings indicate that individual differences in narcissism are a remarkably stable aspect of personality during early adolescence. It is predictably related to an inflated view of the self that is not warranted by objective indices of social functioning. Further evidence shows that it promotes the continuity of aggressive behavior and is more strongly related to reactive aggression than to proactive aggression and more strongly related to relational aggression than to physical aggression. Finally, there is evidence that distortions in the self may derive from the inadequate functioning of the hypothalamic–pituitary–adrenal axis, one of the body's main response system for dealing with stress. These findings are discussed in terms of the processes by which early adolescents react to threats and arousal in their daily functioning. En ligne : http://dx.doi.org/10.1017/s0954579409990149 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=847

The snowball effect: Friendship moderates escalations in depressed affect among avoidant and excluded children / William M. BUKOWSKI in Development and Psychopathology, 22-4 (November 2010)  

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