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Auteur Frank VITARO |
Documents disponibles écrits par cet auteur (33)
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The phenotypic associations and gene-environment underpinnings of socioeconomic status and diurnal cortisol secretion in adolescence / Christina Y. CANTAVE in Development and Psychopathology, 35-3 (August 2023)
[article]
Titre : The phenotypic associations and gene-environment underpinnings of socioeconomic status and diurnal cortisol secretion in adolescence Type de document : Texte imprimé et/ou numérique Auteurs : Christina Y. CANTAVE, Auteur ; Mara BRENDGEN, Auteur ; Stéphane PAQUIN, Auteur ; Sonia LUPIEN, Auteur ; Ginette DIONNE, Auteur ; Frank VITARO, Auteur ; Michel BOIVIN, Auteur ; Isabelle OUELLET-MORIN, Auteur Article en page(s) : p.1119-1129 Langues : Anglais (eng) Mots-clés : cortisol gene-environment interactions heritability HPA-axis socioeconomic status Index. décimale : PER Périodiques Résumé : While converging evidence suggests that both environmental and genetic factors underlie variations in diurnal cortisol, the extent to which these sources of influence vary according to socioeconomic status (SES) has seldom been investigated, particularly in adolescence. To investigate whether a distinct genetic and environmental contribution to youth?s diurnal cortisol secretion emerges according to family SES and whether the timing of these experiences matters. Participants were 592 twin pairs, who mostly came from middle-income and intact families and for whom SES was measured in childhood and adolescence. Diurnal cortisol was assessed at age 14 at awakening, 30 min later, in the afternoon and evening over four nonconsecutive days. SES-cortisol phenotypic associations were specific to the adolescence period. Specifically, higher awakening cortisol levels were detected in wealthier backgrounds, whereas higher cortisol awakening response (CAR) and diurnal changes were present at both ends of the SES continuum. Moreover, smaller genetic contributions emerged for awakening cortisol in youth from poorer compared to wealthier backgrounds. The results suggest that the relative contribution of inherited factors to awakening cortisol secretion may be enhanced or suppressed depending on the socio-family context, which may help to decipher the mechanisms underlying later adjustment. En ligne : http://dx.doi.org/10.1017/S0954579421001048 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=510
in Development and Psychopathology > 35-3 (August 2023) . - p.1119-1129[article] The phenotypic associations and gene-environment underpinnings of socioeconomic status and diurnal cortisol secretion in adolescence [Texte imprimé et/ou numérique] / Christina Y. CANTAVE, Auteur ; Mara BRENDGEN, Auteur ; Stéphane PAQUIN, Auteur ; Sonia LUPIEN, Auteur ; Ginette DIONNE, Auteur ; Frank VITARO, Auteur ; Michel BOIVIN, Auteur ; Isabelle OUELLET-MORIN, Auteur . - p.1119-1129.
Langues : Anglais (eng)
in Development and Psychopathology > 35-3 (August 2023) . - p.1119-1129
Mots-clés : cortisol gene-environment interactions heritability HPA-axis socioeconomic status Index. décimale : PER Périodiques Résumé : While converging evidence suggests that both environmental and genetic factors underlie variations in diurnal cortisol, the extent to which these sources of influence vary according to socioeconomic status (SES) has seldom been investigated, particularly in adolescence. To investigate whether a distinct genetic and environmental contribution to youth?s diurnal cortisol secretion emerges according to family SES and whether the timing of these experiences matters. Participants were 592 twin pairs, who mostly came from middle-income and intact families and for whom SES was measured in childhood and adolescence. Diurnal cortisol was assessed at age 14 at awakening, 30 min later, in the afternoon and evening over four nonconsecutive days. SES-cortisol phenotypic associations were specific to the adolescence period. Specifically, higher awakening cortisol levels were detected in wealthier backgrounds, whereas higher cortisol awakening response (CAR) and diurnal changes were present at both ends of the SES continuum. Moreover, smaller genetic contributions emerged for awakening cortisol in youth from poorer compared to wealthier backgrounds. The results suggest that the relative contribution of inherited factors to awakening cortisol secretion may be enhanced or suppressed depending on the socio-family context, which may help to decipher the mechanisms underlying later adjustment. En ligne : http://dx.doi.org/10.1017/S0954579421001048 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=510 Trajectories of anxiety in a population sample of children: Clarifying the role of children's behavioral characteristics and maternal parenting / Stéphane DUCHESNE in Development and Psychopathology, 22-2 (May 2010)
[article]
Titre : Trajectories of anxiety in a population sample of children: Clarifying the role of children's behavioral characteristics and maternal parenting Type de document : Texte imprimé et/ou numérique Auteurs : Stéphane DUCHESNE, Auteur ; Richard E. TREMBLAY, Auteur ; Frank VITARO, Auteur ; Simon LAROSE, Auteur Année de publication : 2010 Article en page(s) : p.361-373 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : This study pursued three goals. The first goal was to explore children's trajectories of anxiety from age 6 to 12 using a representative community sample. The second goal was to assess the link between certain behavioral characteristics assessed in kindergarten (i.e., inattention, hyperactivity, aggressiveness, and low prosociality) and these trajectories. The third goal was to determine whether certain aspects of maternal parenting (i.e., warmth and discipline) could moderate the association between these characteristics and the trajectories of anxiety. A population sample of 2,000 children (1,001 boys, 999 girls) participated in this longitudinal study. Developmental trajectory analyses allowed us to identify four trajectory groups: low, low-increasing, high-declining, and high anxiety groups. Moreover, multinomial logistic regressions revealed a profile of children at risk of developing high anxiety symptoms (i.e., high group), characterized by sociofamily adversity, inattention, and low prosociality in the classroom. Hyperactivity was also found in this profile, but only for children exposed to a mother who showed little affective warmth. Finally, mothers' high level of discipline increased the odds of belonging to the high anxiety group. The results are discussed in relation to studies examining the association among anxiety, behavioral characteristics, and parenting during childhood. En ligne : http://dx.doi.org/10.1017/s0954579410000118 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=102
in Development and Psychopathology > 22-2 (May 2010) . - p.361-373[article] Trajectories of anxiety in a population sample of children: Clarifying the role of children's behavioral characteristics and maternal parenting [Texte imprimé et/ou numérique] / Stéphane DUCHESNE, Auteur ; Richard E. TREMBLAY, Auteur ; Frank VITARO, Auteur ; Simon LAROSE, Auteur . - 2010 . - p.361-373.
Langues : Anglais (eng)
in Development and Psychopathology > 22-2 (May 2010) . - p.361-373
Index. décimale : PER Périodiques Résumé : This study pursued three goals. The first goal was to explore children's trajectories of anxiety from age 6 to 12 using a representative community sample. The second goal was to assess the link between certain behavioral characteristics assessed in kindergarten (i.e., inattention, hyperactivity, aggressiveness, and low prosociality) and these trajectories. The third goal was to determine whether certain aspects of maternal parenting (i.e., warmth and discipline) could moderate the association between these characteristics and the trajectories of anxiety. A population sample of 2,000 children (1,001 boys, 999 girls) participated in this longitudinal study. Developmental trajectory analyses allowed us to identify four trajectory groups: low, low-increasing, high-declining, and high anxiety groups. Moreover, multinomial logistic regressions revealed a profile of children at risk of developing high anxiety symptoms (i.e., high group), characterized by sociofamily adversity, inattention, and low prosociality in the classroom. Hyperactivity was also found in this profile, but only for children exposed to a mother who showed little affective warmth. Finally, mothers' high level of discipline increased the odds of belonging to the high anxiety group. The results are discussed in relation to studies examining the association among anxiety, behavioral characteristics, and parenting during childhood. En ligne : http://dx.doi.org/10.1017/s0954579410000118 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=102 Two-year predictive validity of conduct disorder subtypes in early adolescence: a latent class analysis of a Canadian longitudinal sample / Eric LACOURSE in Journal of Child Psychology and Psychiatry, 51-12 (December 2010)
[article]
Titre : Two-year predictive validity of conduct disorder subtypes in early adolescence: a latent class analysis of a Canadian longitudinal sample Type de document : Texte imprimé et/ou numérique Auteurs : Eric LACOURSE, Auteur ; Raymond BAILLARGEON, Auteur ; Véronique DUPERE, Auteur ; Frank VITARO, Auteur ; Elisa ROMANO, Auteur ; Richard E. TREMBLAY, Auteur Année de publication : 2010 Article en page(s) : p.1386-1384 Langues : Anglais (eng) Mots-clés : DSM-V Conduct disorder latent class analysis adolescence predictive validity Index. décimale : PER Périodiques Résumé : Background: Investigating the latent structure of conduct disorder (CD) can help clarify how symptoms related to aggression, property destruction, theft, and serious violations of rules cluster in individuals with this disorder. Discovering homogeneous subtypes can be useful for etiologic, treatment, and prevention purposes depending on the qualitative or quantitative nature of the symptomatology. The aim of the present study is twofold: identify subtypes of CD in young adolescents based on latent class analysis (LCA) and investigate the two-year predictive validity of CD subtypes on deviant and criminal lifestyles.
Methods: Adolescent-reported CD symptoms were collected using the National Longitudinal Survey of Children and Youth. Three cohorts of 12–13-year-olds were assessed during 1994–1995, 1996–1997, and 1998–1999 (N = 4,125).
Results: Latent class analyses yielded 4 distinct subtypes: No CD (82.4%); Non-Aggressive CD (‘NACD’, 13.9%); Physically Aggressive CD (‘PACD’, 2.3%); and Severe-Mixed CD (‘SMCD’, 1.4%). Predictive validity at age 14–15 was non-specific, although the SMCD type had, by far, the highest odds of deviant and criminal lifestyle outcomes in comparison to youth with PACD or NACD. NACD and PACD had similar odds of deviant outcomes, even if most NACD youth were subthreshold CD (fewer than three symptoms).
Conclusion: In early adolescence, CD is qualitatively and quantitatively heterogeneous, suggesting multiple developmental pathways. However, they appear to predict similarly violent and non-violent outcomes.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2010.02291.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=113
in Journal of Child Psychology and Psychiatry > 51-12 (December 2010) . - p.1386-1384[article] Two-year predictive validity of conduct disorder subtypes in early adolescence: a latent class analysis of a Canadian longitudinal sample [Texte imprimé et/ou numérique] / Eric LACOURSE, Auteur ; Raymond BAILLARGEON, Auteur ; Véronique DUPERE, Auteur ; Frank VITARO, Auteur ; Elisa ROMANO, Auteur ; Richard E. TREMBLAY, Auteur . - 2010 . - p.1386-1384.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 51-12 (December 2010) . - p.1386-1384
Mots-clés : DSM-V Conduct disorder latent class analysis adolescence predictive validity Index. décimale : PER Périodiques Résumé : Background: Investigating the latent structure of conduct disorder (CD) can help clarify how symptoms related to aggression, property destruction, theft, and serious violations of rules cluster in individuals with this disorder. Discovering homogeneous subtypes can be useful for etiologic, treatment, and prevention purposes depending on the qualitative or quantitative nature of the symptomatology. The aim of the present study is twofold: identify subtypes of CD in young adolescents based on latent class analysis (LCA) and investigate the two-year predictive validity of CD subtypes on deviant and criminal lifestyles.
Methods: Adolescent-reported CD symptoms were collected using the National Longitudinal Survey of Children and Youth. Three cohorts of 12–13-year-olds were assessed during 1994–1995, 1996–1997, and 1998–1999 (N = 4,125).
Results: Latent class analyses yielded 4 distinct subtypes: No CD (82.4%); Non-Aggressive CD (‘NACD’, 13.9%); Physically Aggressive CD (‘PACD’, 2.3%); and Severe-Mixed CD (‘SMCD’, 1.4%). Predictive validity at age 14–15 was non-specific, although the SMCD type had, by far, the highest odds of deviant and criminal lifestyle outcomes in comparison to youth with PACD or NACD. NACD and PACD had similar odds of deviant outcomes, even if most NACD youth were subthreshold CD (fewer than three symptoms).
Conclusion: In early adolescence, CD is qualitatively and quantitatively heterogeneous, suggesting multiple developmental pathways. However, they appear to predict similarly violent and non-violent outcomes.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2010.02291.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=113