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Détail de l'auteur
Auteur Tim DALGLEISH |
Documents disponibles écrits par cet auteur (17)
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The latent structure of Acute Stress Disorder symptoms in trauma-exposed children and adolescents / Anna MCKINNON in Journal of Child Psychology and Psychiatry, 57-11 (November 2016)
[article]
Titre : The latent structure of Acute Stress Disorder symptoms in trauma-exposed children and adolescents Type de document : Texte imprimé et/ou numérique Auteurs : Anna MCKINNON, Auteur ; Richard MEISER-STEDMAN, Auteur ; Peter WATSON, Auteur ; Clare DIXON, Auteur ; Nancy KASSAM-ADAMS, Auteur ; Anke EHLERS, Auteur ; Flaura WINSTON, Auteur ; Patrick SMITH, Auteur ; William YULE, Auteur ; Tim DALGLEISH, Auteur Article en page(s) : p.1308-1316 Langues : Anglais (eng) Mots-clés : Acute Stress Disorder DSM-5 factor analysis children post-traumatic stress disorder Index. décimale : PER Périodiques Résumé : Background The revision of Acute Stress Disorder (ASD) in the DSM-5 (DSM-5, 2013) proposes a cluster-free model of ASD symptoms in both adults and youth. Published evaluations of competing models of ASD clustering in youth have rarely been examined. Methods We used Confirmatory Factor Analysis (combined with multigroup invariance tests) to explore the latent structure of ASD symptoms in a trauma-exposed sample of children and young people (N = 594). The DSM-5 structure was compared with the previous DSM-IV conceptualization (4-factor), and two alternative models proposed in the literature (3-factor; 5-factor). Model fit was examined using goodness-of-fit indices. We also established DSM-5 ASD prevalence rates relative to DSM-IV ASD, and the ability of these models to classify children impaired by their symptoms. Results Based on both the Bayesian Information Criterion, the interfactor correlations and invariance testing, the 3-factor model best accounted for the profile of ASD symptoms. DSM-5 ASD led to slightly higher prevalence rates than DSM-IV ASD and performed similarly to DSM-IV with respect to categorising children impaired by their symptoms. Modifying the DSM-5 ASD algorithm to a 3+ or 4+ symptom requirement was the strongest predictor of impairment. Conclusions These findings suggest that a uni-factorial general-distress model is not the optimal model of capturing the latent structure of ASD symptom profiles in youth and that modifying the current DSM-5 9+ symptom algorithm could potentially lead to a more developmentally sensitive conceptualization. En ligne : http://dx.doi.org/10.1111/jcpp.12597 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=295
in Journal of Child Psychology and Psychiatry > 57-11 (November 2016) . - p.1308-1316[article] The latent structure of Acute Stress Disorder symptoms in trauma-exposed children and adolescents [Texte imprimé et/ou numérique] / Anna MCKINNON, Auteur ; Richard MEISER-STEDMAN, Auteur ; Peter WATSON, Auteur ; Clare DIXON, Auteur ; Nancy KASSAM-ADAMS, Auteur ; Anke EHLERS, Auteur ; Flaura WINSTON, Auteur ; Patrick SMITH, Auteur ; William YULE, Auteur ; Tim DALGLEISH, Auteur . - p.1308-1316.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 57-11 (November 2016) . - p.1308-1316
Mots-clés : Acute Stress Disorder DSM-5 factor analysis children post-traumatic stress disorder Index. décimale : PER Périodiques Résumé : Background The revision of Acute Stress Disorder (ASD) in the DSM-5 (DSM-5, 2013) proposes a cluster-free model of ASD symptoms in both adults and youth. Published evaluations of competing models of ASD clustering in youth have rarely been examined. Methods We used Confirmatory Factor Analysis (combined with multigroup invariance tests) to explore the latent structure of ASD symptoms in a trauma-exposed sample of children and young people (N = 594). The DSM-5 structure was compared with the previous DSM-IV conceptualization (4-factor), and two alternative models proposed in the literature (3-factor; 5-factor). Model fit was examined using goodness-of-fit indices. We also established DSM-5 ASD prevalence rates relative to DSM-IV ASD, and the ability of these models to classify children impaired by their symptoms. Results Based on both the Bayesian Information Criterion, the interfactor correlations and invariance testing, the 3-factor model best accounted for the profile of ASD symptoms. DSM-5 ASD led to slightly higher prevalence rates than DSM-IV ASD and performed similarly to DSM-IV with respect to categorising children impaired by their symptoms. Modifying the DSM-5 ASD algorithm to a 3+ or 4+ symptom requirement was the strongest predictor of impairment. Conclusions These findings suggest that a uni-factorial general-distress model is not the optimal model of capturing the latent structure of ASD symptom profiles in youth and that modifying the current DSM-5 9+ symptom algorithm could potentially lead to a more developmentally sensitive conceptualization. En ligne : http://dx.doi.org/10.1111/jcpp.12597 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=295 The nature of trauma memories in acute stress disorder in children and adolescents / Claire H. SALMOND in Journal of Child Psychology and Psychiatry, 52-5 (May 2011)
[article]
Titre : The nature of trauma memories in acute stress disorder in children and adolescents Type de document : Texte imprimé et/ou numérique Auteurs : Claire H. SALMOND, Auteur ; Richard MEISER-STEDMAN, Auteur ; E. GLUCKSMAN, Auteur ; E. THOMPSON, Auteur ; Tim DALGLEISH, Auteur ; P. SMITH, Auteur Année de publication : 2011 Article en page(s) : p.560-570 Langues : Anglais (eng) Mots-clés : Trauma adolescence memory pathology Index. décimale : PER Périodiques Résumé : Background: There is increasing theoretical, clinical and research evidence for the role of trauma memory in the aetiology of acute pathological stress responses in adults. However, research into the phenomenology of trauma memories in young people is currently scarce.
Methods: This study compared the nature of trauma narratives to narratives of unpleasant non-traumatic events in young people (aged 8–17) who sought emergency medical attention following an assault or road traffic accident. Data were collected within 2–4 weeks of the index event. Symptom severity was assessed by child self-report and face-to-face diagnostic interviews. Comparisons of narrative indices were made between those children with acute stress disorder (ASD) and those without ASD.
Results: Among participants (n = 50), those with ASD (38%) had significantly elevated levels of disorganisation in their trauma narrative, compared both to trauma-exposed controls and to their unpleasant comparative narrative. This effect was not accounted for by age. Regardless of ASD diagnostic status, trauma narratives had significantly higher sensory content and significantly lower positive emotion content compared to the unpleasant comparative narrative. These effects were not significant when age was included as a covariate. Acute symptom severity was significantly predicted by the level of disorganisation in the trauma narrative and the child’s cognitive appraisals of the event.
Conclusions: These data provide the first empirical evidence that disorganisation is not only directly linked to symptom severity, but also specific to the trauma memory. In addition, it provides support for the adaptation of adult cognitive models to acute pathological stress reactions in children and adolescents.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2010.02340.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=121
in Journal of Child Psychology and Psychiatry > 52-5 (May 2011) . - p.560-570[article] The nature of trauma memories in acute stress disorder in children and adolescents [Texte imprimé et/ou numérique] / Claire H. SALMOND, Auteur ; Richard MEISER-STEDMAN, Auteur ; E. GLUCKSMAN, Auteur ; E. THOMPSON, Auteur ; Tim DALGLEISH, Auteur ; P. SMITH, Auteur . - 2011 . - p.560-570.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 52-5 (May 2011) . - p.560-570
Mots-clés : Trauma adolescence memory pathology Index. décimale : PER Périodiques Résumé : Background: There is increasing theoretical, clinical and research evidence for the role of trauma memory in the aetiology of acute pathological stress responses in adults. However, research into the phenomenology of trauma memories in young people is currently scarce.
Methods: This study compared the nature of trauma narratives to narratives of unpleasant non-traumatic events in young people (aged 8–17) who sought emergency medical attention following an assault or road traffic accident. Data were collected within 2–4 weeks of the index event. Symptom severity was assessed by child self-report and face-to-face diagnostic interviews. Comparisons of narrative indices were made between those children with acute stress disorder (ASD) and those without ASD.
Results: Among participants (n = 50), those with ASD (38%) had significantly elevated levels of disorganisation in their trauma narrative, compared both to trauma-exposed controls and to their unpleasant comparative narrative. This effect was not accounted for by age. Regardless of ASD diagnostic status, trauma narratives had significantly higher sensory content and significantly lower positive emotion content compared to the unpleasant comparative narrative. These effects were not significant when age was included as a covariate. Acute symptom severity was significantly predicted by the level of disorganisation in the trauma narrative and the child’s cognitive appraisals of the event.
Conclusions: These data provide the first empirical evidence that disorganisation is not only directly linked to symptom severity, but also specific to the trauma memory. In addition, it provides support for the adaptation of adult cognitive models to acute pathological stress reactions in children and adolescents.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2010.02340.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=121