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Détail de l'auteur
Auteur Annchen R. KNODT |
Documents disponibles écrits par cet auteur (2)
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Association of subcortical gray-matter volumes with life-course-persistent antisocial behavior in a population-representative longitudinal birth cohort / Christina O. CARLISI in Development and Psychopathology, 34-5 (December 2022)
[article]
Titre : Association of subcortical gray-matter volumes with life-course-persistent antisocial behavior in a population-representative longitudinal birth cohort Type de document : Texte imprimé et/ou numérique Auteurs : Christina O. CARLISI, Auteur ; Terrie E. MOFFITT, Auteur ; Annchen R. KNODT, Auteur ; Honalee HARRINGTON, Auteur ; Stéphanie LANGEVIN, Auteur ; David IRELAND, Auteur ; Tracy R. MELZER, Auteur ; Richie POULTON, Auteur ; Sandhya RAMRAKHA, Auteur ; Avshalom CASPI, Auteur ; Ahmad R. HARIRI, Auteur ; Essi VIDING, Auteur Article en page(s) : p.2012-2022 Langues : Anglais (eng) Mots-clés : antisocial behavior conduct disorder development longitudinal structural MRI Index. décimale : PER Périodiques Résumé : Neuropsychological evidence supports the developmental taxonomy theory of antisocial behavior, suggesting that abnormal brain development distinguishes life-course-persistent from adolescence-limited antisocial behavior. Recent neuroimaging work confirmed that prospectively-measured life-course-persistent antisocial behavior is associated with differences in cortical brain structure. Whether this extends to subcortical brain structures remains uninvestigated. This study compared subcortical gray-matter volumes between 672 members of the Dunedin Study previously defined as exhibiting life-course-persistent, adolescence-limited or low-level antisocial behavior based on repeated assessments at ages 7 “26 years. Gray-matter volumes of 10 subcortical structures were compared across groups. The life-course-persistent group had lower volumes of amygdala, brain stem, cerebellum, hippocampus, pallidum, thalamus, and ventral diencephalon compared to the low-antisocial group. Differences between life-course-persistent and adolescence-limited individuals were comparable in effect size to differences between life-course-persistent and low-antisocial individuals, but were not statistically significant due to less statistical power. Gray-matter volumes in adolescence-limited individuals were near the norm in this population-representative cohort and similar to volumes in low-antisocial individuals. Although this study could not establish causal links between brain volume and antisocial behavior, it constitutes new biological evidence that all people with antisocial behavior are not the same, supporting a need for greater developmental and diagnostic precision in clinical, forensic, and policy-based interventions. En ligne : http://dx.doi.org/10.1017/S0954579421000377 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=492
in Development and Psychopathology > 34-5 (December 2022) . - p.2012-2022[article] Association of subcortical gray-matter volumes with life-course-persistent antisocial behavior in a population-representative longitudinal birth cohort [Texte imprimé et/ou numérique] / Christina O. CARLISI, Auteur ; Terrie E. MOFFITT, Auteur ; Annchen R. KNODT, Auteur ; Honalee HARRINGTON, Auteur ; Stéphanie LANGEVIN, Auteur ; David IRELAND, Auteur ; Tracy R. MELZER, Auteur ; Richie POULTON, Auteur ; Sandhya RAMRAKHA, Auteur ; Avshalom CASPI, Auteur ; Ahmad R. HARIRI, Auteur ; Essi VIDING, Auteur . - p.2012-2022.
Langues : Anglais (eng)
in Development and Psychopathology > 34-5 (December 2022) . - p.2012-2022
Mots-clés : antisocial behavior conduct disorder development longitudinal structural MRI Index. décimale : PER Périodiques Résumé : Neuropsychological evidence supports the developmental taxonomy theory of antisocial behavior, suggesting that abnormal brain development distinguishes life-course-persistent from adolescence-limited antisocial behavior. Recent neuroimaging work confirmed that prospectively-measured life-course-persistent antisocial behavior is associated with differences in cortical brain structure. Whether this extends to subcortical brain structures remains uninvestigated. This study compared subcortical gray-matter volumes between 672 members of the Dunedin Study previously defined as exhibiting life-course-persistent, adolescence-limited or low-level antisocial behavior based on repeated assessments at ages 7 “26 years. Gray-matter volumes of 10 subcortical structures were compared across groups. The life-course-persistent group had lower volumes of amygdala, brain stem, cerebellum, hippocampus, pallidum, thalamus, and ventral diencephalon compared to the low-antisocial group. Differences between life-course-persistent and adolescence-limited individuals were comparable in effect size to differences between life-course-persistent and low-antisocial individuals, but were not statistically significant due to less statistical power. Gray-matter volumes in adolescence-limited individuals were near the norm in this population-representative cohort and similar to volumes in low-antisocial individuals. Although this study could not establish causal links between brain volume and antisocial behavior, it constitutes new biological evidence that all people with antisocial behavior are not the same, supporting a need for greater developmental and diagnostic precision in clinical, forensic, and policy-based interventions. En ligne : http://dx.doi.org/10.1017/S0954579421000377 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=492 Lower structural integrity of the uncinate fasciculus is associated with a history of child maltreatment and future psychological vulnerability to stress / Jamie L. HANSON in Development and Psychopathology, 27-4 (Part 2) (November 2015)
[article]
Titre : Lower structural integrity of the uncinate fasciculus is associated with a history of child maltreatment and future psychological vulnerability to stress Type de document : Texte imprimé et/ou numérique Auteurs : Jamie L. HANSON, Auteur ; Annchen R. KNODT, Auteur ; Bartholomew D. BRIGIDI, Auteur ; Ahmad R. HARIRI, Auteur Article en page(s) : p.1611-1619 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : The experience of child maltreatment is a significant risk factor for the development of later internalizing disorders such as depression and anxiety. This risk is particularly heightened after exposure to additional, more contemporaneous stress. While behavioral evidence exists for such “stress sensitization,” little is known about the mechanisms mediating such relationships, particularly within the brain. Here we report that the experience of child maltreatment independent of recent life stress, gender, and age is associated with reduced structural integrity of the uncinate fasciculus, a major white matter pathway between the amygdala and ventromedial prefrontal cortex, in young adults. We further demonstrate that individuals with lower uncinate fasciculus integrity at baseline who subsequently experience stressful life events report higher levels of internalizing symptomatology at follow-up. Our findings suggest a novel neurobiological mechanism linking child maltreatment with later internalizing symptoms, specifically altered structural connectivity within the brain's threat-detection and emotion-regulation circuitry. En ligne : http://dx.doi.org/10.1017/S0954579415000978 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=273
in Development and Psychopathology > 27-4 (Part 2) (November 2015) . - p.1611-1619[article] Lower structural integrity of the uncinate fasciculus is associated with a history of child maltreatment and future psychological vulnerability to stress [Texte imprimé et/ou numérique] / Jamie L. HANSON, Auteur ; Annchen R. KNODT, Auteur ; Bartholomew D. BRIGIDI, Auteur ; Ahmad R. HARIRI, Auteur . - p.1611-1619.
Langues : Anglais (eng)
in Development and Psychopathology > 27-4 (Part 2) (November 2015) . - p.1611-1619
Index. décimale : PER Périodiques Résumé : The experience of child maltreatment is a significant risk factor for the development of later internalizing disorders such as depression and anxiety. This risk is particularly heightened after exposure to additional, more contemporaneous stress. While behavioral evidence exists for such “stress sensitization,” little is known about the mechanisms mediating such relationships, particularly within the brain. Here we report that the experience of child maltreatment independent of recent life stress, gender, and age is associated with reduced structural integrity of the uncinate fasciculus, a major white matter pathway between the amygdala and ventromedial prefrontal cortex, in young adults. We further demonstrate that individuals with lower uncinate fasciculus integrity at baseline who subsequently experience stressful life events report higher levels of internalizing symptomatology at follow-up. Our findings suggest a novel neurobiological mechanism linking child maltreatment with later internalizing symptoms, specifically altered structural connectivity within the brain's threat-detection and emotion-regulation circuitry. En ligne : http://dx.doi.org/10.1017/S0954579415000978 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=273