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Auteur Tiffany C. HO
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Documents disponibles écrits par cet auteur (6)
Faire une suggestion Affiner la rechercheCorrelates and predictors of the severity of suicidal ideation in adolescence: an examination of brain connectomics and psychosocial characteristics / Jaclyn S. KIRSHENBAUM in Journal of Child Psychology and Psychiatry, 63-6 (June 2022)
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Titre : Correlates and predictors of the severity of suicidal ideation in adolescence: an examination of brain connectomics and psychosocial characteristics Type de document : texte imprimé Auteurs : Jaclyn S. KIRSHENBAUM, Auteur ; Rajpreet CHAHAL, Auteur ; Tiffany C. HO, Auteur ; Lucy S. KING, Auteur ; Anthony J. GIFUNI, Auteur ; Dana MASTROVITO, Auteur ; Saché M. COURY, Auteur ; Rachel L. WEISENBURGER, Auteur ; Ian H. GOTLIB, Auteur Article en page(s) : p.701-714 Langues : Anglais (eng) Mots-clés : Suicidal ideation adolescence graph theory internalizing and externalizing symptoms resting-state fMRI Index. décimale : PER Périodiques Résumé : BACKGROUND: Suicidal ideation (SI) typically emerges during adolescence but is challenging to predict. Given the potentially lethal consequences of SI, it is important to identify neurobiological and psychosocial variables explaining the severity of SI in adolescents. METHODS: In 106 participants (59 female) recruited from the community, we assessed psychosocial characteristics and obtained resting-state fMRI data in early adolescence (baseline: aged 9-13 years). Across 250 brain regions, we assessed local graph theory-based properties of interconnectedness: local efficiency, eigenvector centrality, nodal degree, within-module z-score, and participation coefficient. Four years later (follow-up: ages 13-19 years), participants self-reported their SI severity. We used least absolute shrinkage and selection operator (LASSO) regressions to identify a linear combination of psychosocial and brain-based variables that best explain the severity of SI symptoms at follow-up. Nested-cross-validation yielded model performance statistics for all LASSO models. RESULTS: A combination of psychosocial and brain-based variables explained subsequent severity of SI (R(2 ) =?.55); the strongest was internalizing and externalizing symptom severity at follow-up. Follow-up LASSO regressions of psychosocial-only and brain-based-only variables indicated that psychosocial-only variables explained 55% of the variance in SI severity; in contrast, brain-based-only variables performed worse than the null model. CONCLUSIONS: A linear combination of baseline and follow-up psychosocial variables best explained the severity of SI. Follow-up analyses indicated that graph theory resting-state metrics did not increase the prediction of the severity of SI in adolescents. Attending to internalizing and externalizing symptoms is important in early adolescence; resting-state connectivity properties other than local graph theory metrics might yield a stronger prediction of the severity of SI. En ligne : http://dx.doi.org/10.1111/jcpp.13512 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=475
in Journal of Child Psychology and Psychiatry > 63-6 (June 2022) . - p.701-714[article] Correlates and predictors of the severity of suicidal ideation in adolescence: an examination of brain connectomics and psychosocial characteristics [texte imprimé] / Jaclyn S. KIRSHENBAUM, Auteur ; Rajpreet CHAHAL, Auteur ; Tiffany C. HO, Auteur ; Lucy S. KING, Auteur ; Anthony J. GIFUNI, Auteur ; Dana MASTROVITO, Auteur ; Saché M. COURY, Auteur ; Rachel L. WEISENBURGER, Auteur ; Ian H. GOTLIB, Auteur . - p.701-714.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 63-6 (June 2022) . - p.701-714
Mots-clés : Suicidal ideation adolescence graph theory internalizing and externalizing symptoms resting-state fMRI Index. décimale : PER Périodiques Résumé : BACKGROUND: Suicidal ideation (SI) typically emerges during adolescence but is challenging to predict. Given the potentially lethal consequences of SI, it is important to identify neurobiological and psychosocial variables explaining the severity of SI in adolescents. METHODS: In 106 participants (59 female) recruited from the community, we assessed psychosocial characteristics and obtained resting-state fMRI data in early adolescence (baseline: aged 9-13 years). Across 250 brain regions, we assessed local graph theory-based properties of interconnectedness: local efficiency, eigenvector centrality, nodal degree, within-module z-score, and participation coefficient. Four years later (follow-up: ages 13-19 years), participants self-reported their SI severity. We used least absolute shrinkage and selection operator (LASSO) regressions to identify a linear combination of psychosocial and brain-based variables that best explain the severity of SI symptoms at follow-up. Nested-cross-validation yielded model performance statistics for all LASSO models. RESULTS: A combination of psychosocial and brain-based variables explained subsequent severity of SI (R(2 ) =?.55); the strongest was internalizing and externalizing symptom severity at follow-up. Follow-up LASSO regressions of psychosocial-only and brain-based-only variables indicated that psychosocial-only variables explained 55% of the variance in SI severity; in contrast, brain-based-only variables performed worse than the null model. CONCLUSIONS: A linear combination of baseline and follow-up psychosocial variables best explained the severity of SI. Follow-up analyses indicated that graph theory resting-state metrics did not increase the prediction of the severity of SI in adolescents. Attending to internalizing and externalizing symptoms is important in early adolescence; resting-state connectivity properties other than local graph theory metrics might yield a stronger prediction of the severity of SI. En ligne : http://dx.doi.org/10.1111/jcpp.13512 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=475 Early life stress, cortisol, frontolimbic connectivity, and depressive symptoms during puberty / Katharina KIRCANSKI in Development and Psychopathology, 31-3 (August 2019)
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Titre : Early life stress, cortisol, frontolimbic connectivity, and depressive symptoms during puberty Type de document : texte imprimé Auteurs : Katharina KIRCANSKI, Auteur ; Lucinda M. SISK, Auteur ; Tiffany C. HO, Auteur ; Kathryn L. HUMPHREYS, Auteur ; Lucy S. KING, Auteur ; Natalie L. COLICH, Auteur ; Sarah J. ORDAZ, Auteur ; Ian H. GOTLIB, Auteur Article en page(s) : p.1011-1022 Langues : Anglais (eng) Mots-clés : cortisol depression diffusion tensor imaging emotion dysregulation early life stress puberty Index. décimale : PER Périodiques Résumé : Early life stress (ELS) is a risk factor for the development of depression in adolescence; the mediating neurobiological mechanisms, however, are unknown. In this study, we examined in early pubertal youth the associations among ELS, cortisol stress responsivity, and white matter microstructure of the uncinate fasciculus and the fornix, two key frontolimbic tracts; we also tested whether and how these variables predicted depressive symptoms in later puberty. A total of 208 participants (117 females; M age = 11.37 years; M Tanner stage = 2.03) provided data across two or more assessment modalities: ELS; salivary cortisol levels during a psychosocial stress task; diffusion magnetic resonance imaging; and depressive symptoms. In early puberty there were significant associations between higher ELS and decreased cortisol production, and between decreased cortisol production and increased fractional anisotropy in the uncinate fasciculus. Further, increased fractional anisotropy in the uncinate fasciculus predicted higher depressive symptoms in later puberty, above and beyond earlier symptoms. In post hoc analyses, we found that sex moderated several additional associations. We discuss these findings within a broader conceptual model linking ELS, emotion dysregulation, and depression across the transition through puberty, and contend that brain circuits implicated in the control of hypothalamic–pituitary–adrenal axis function should be a focus of continued research. En ligne : http://dx.doi.org/10.1017/S0954579419000555 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=403
in Development and Psychopathology > 31-3 (August 2019) . - p.1011-1022[article] Early life stress, cortisol, frontolimbic connectivity, and depressive symptoms during puberty [texte imprimé] / Katharina KIRCANSKI, Auteur ; Lucinda M. SISK, Auteur ; Tiffany C. HO, Auteur ; Kathryn L. HUMPHREYS, Auteur ; Lucy S. KING, Auteur ; Natalie L. COLICH, Auteur ; Sarah J. ORDAZ, Auteur ; Ian H. GOTLIB, Auteur . - p.1011-1022.
Langues : Anglais (eng)
in Development and Psychopathology > 31-3 (August 2019) . - p.1011-1022
Mots-clés : cortisol depression diffusion tensor imaging emotion dysregulation early life stress puberty Index. décimale : PER Périodiques Résumé : Early life stress (ELS) is a risk factor for the development of depression in adolescence; the mediating neurobiological mechanisms, however, are unknown. In this study, we examined in early pubertal youth the associations among ELS, cortisol stress responsivity, and white matter microstructure of the uncinate fasciculus and the fornix, two key frontolimbic tracts; we also tested whether and how these variables predicted depressive symptoms in later puberty. A total of 208 participants (117 females; M age = 11.37 years; M Tanner stage = 2.03) provided data across two or more assessment modalities: ELS; salivary cortisol levels during a psychosocial stress task; diffusion magnetic resonance imaging; and depressive symptoms. In early puberty there were significant associations between higher ELS and decreased cortisol production, and between decreased cortisol production and increased fractional anisotropy in the uncinate fasciculus. Further, increased fractional anisotropy in the uncinate fasciculus predicted higher depressive symptoms in later puberty, above and beyond earlier symptoms. In post hoc analyses, we found that sex moderated several additional associations. We discuss these findings within a broader conceptual model linking ELS, emotion dysregulation, and depression across the transition through puberty, and contend that brain circuits implicated in the control of hypothalamic–pituitary–adrenal axis function should be a focus of continued research. En ligne : http://dx.doi.org/10.1017/S0954579419000555 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=403 Heart rate variability moderates the effects of COVID-19-related stress and family adversity on emotional problems in adolescents: Testing models of differential susceptibility and diathesis stress / Jonas G. MILLER in Development and Psychopathology, 34-5 (December 2022)
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Titre : Heart rate variability moderates the effects of COVID-19-related stress and family adversity on emotional problems in adolescents: Testing models of differential susceptibility and diathesis stress Type de document : texte imprimé Auteurs : Jonas G. MILLER, Auteur ; Rajpreet CHAHAL, Auteur ; Jaclyn S. KIRSHENBAUM, Auteur ; Tiffany C. HO, Auteur ; Anthony J. GIFUNI, Auteur ; Ian H. GOTLIB, Auteur Article en page(s) : p.1974-1985 Langues : Anglais (eng) Mots-clés : adolescence biological sensitivity to context COVID-19 diathesis stress differential susceptibility heart rate variability Index. décimale : PER Périodiques Résumé : The COVID-19 pandemic is a unique period of stress, uncertainty, and adversity that will have significant implications for adolescent mental health. Nevertheless, stress and adversity related to COVID-19 may be more consequential for some adolescents’ mental health than for others. We examined whether heart rate variability (HRV) indicated differential susceptibility to mental health difficulties associated with COVID-19 stress and COVID-19 family adversity. Approximately 4 years prior to the pandemic, we assessed resting HRV and HRV reactivity to a well-validated stress paradigm in 87 adolescents. During the pandemic, these adolescents (ages 13 “19) reported on their health-related stress and concerns about COVID-19, family adversity related to COVID-19, and their recent emotional problems. The association between COVID-19 stress and emotional problems was significantly stronger for adolescents who previously exhibited higher resting HRV or higher HRV reactivity. For adolescents who exhibited lower resting HRV or HRV augmentation, COVID-19 stress was not associated with emotional problems. Conversely, lower resting HRV indicated vulnerability to the effect of COVID-19 family adversity on emotional problems. Different patterns of parasympathetic functioning may reflect differential susceptibility to the effects of COVID-19 stress versus vulnerability to the effects of COVID-19 family adversity on mental health during the pandemic. En ligne : http://dx.doi.org/10.1017/S095457942100033X 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.1974-1985[article] Heart rate variability moderates the effects of COVID-19-related stress and family adversity on emotional problems in adolescents: Testing models of differential susceptibility and diathesis stress [texte imprimé] / Jonas G. MILLER, Auteur ; Rajpreet CHAHAL, Auteur ; Jaclyn S. KIRSHENBAUM, Auteur ; Tiffany C. HO, Auteur ; Anthony J. GIFUNI, Auteur ; Ian H. GOTLIB, Auteur . - p.1974-1985.
Langues : Anglais (eng)
in Development and Psychopathology > 34-5 (December 2022) . - p.1974-1985
Mots-clés : adolescence biological sensitivity to context COVID-19 diathesis stress differential susceptibility heart rate variability Index. décimale : PER Périodiques Résumé : The COVID-19 pandemic is a unique period of stress, uncertainty, and adversity that will have significant implications for adolescent mental health. Nevertheless, stress and adversity related to COVID-19 may be more consequential for some adolescents’ mental health than for others. We examined whether heart rate variability (HRV) indicated differential susceptibility to mental health difficulties associated with COVID-19 stress and COVID-19 family adversity. Approximately 4 years prior to the pandemic, we assessed resting HRV and HRV reactivity to a well-validated stress paradigm in 87 adolescents. During the pandemic, these adolescents (ages 13 “19) reported on their health-related stress and concerns about COVID-19, family adversity related to COVID-19, and their recent emotional problems. The association between COVID-19 stress and emotional problems was significantly stronger for adolescents who previously exhibited higher resting HRV or higher HRV reactivity. For adolescents who exhibited lower resting HRV or HRV augmentation, COVID-19 stress was not associated with emotional problems. Conversely, lower resting HRV indicated vulnerability to the effect of COVID-19 family adversity on emotional problems. Different patterns of parasympathetic functioning may reflect differential susceptibility to the effects of COVID-19 stress versus vulnerability to the effects of COVID-19 family adversity on mental health during the pandemic. En ligne : http://dx.doi.org/10.1017/S095457942100033X Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=492 Multi-level predictors of depression symptoms in the Adolescent Brain Cognitive Development (ABCD) study / Tiffany C. HO in Journal of Child Psychology and Psychiatry, 63-12 (December 2022)
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Titre : Multi-level predictors of depression symptoms in the Adolescent Brain Cognitive Development (ABCD) study Type de document : texte imprimé Auteurs : Tiffany C. HO, Auteur ; Rutvik SHAH, Auteur ; Jyoti MISHRA, Auteur ; April C. MAY, Auteur ; Susan F. TAPERT, Auteur Article en page(s) : p.1523-1533 Langues : Anglais (eng) Mots-clés : Child Adolescent Humans Depression/psychology Magnetic Resonance Imaging/methods Family Conflict Brain/diagnostic imaging Cognition ABCD Study Adolescence depression functional MRI (fMRI) sleep Index. décimale : PER Périodiques Résumé : BACKGROUND: While identifying risk factors for adolescent depression is critical for early prevention and intervention, most studies have sought to understand the role of isolated factors rather than across a broad set of factors. Here, we sought to examine multi-level factors that maximize the prediction of depression symptoms in US children participating in the Adolescent Brain and Cognitive Development (ABCD) study. METHODS: A total of 7,995 participants from ABCD (version 3.0 release) provided complete data at baseline and 1-year follow-up data. Depression symptoms were measured with the Child Behavior Checklist. Predictive features included child demographic, environmental, and structural and resting-state fMRI variables, parental depression history and demographic characteristics. We used linear (elastic net regression, EN) and non-linear (gradient-boosted trees, GBT) predictive models to identify which set of features maximized prediction of depression symptoms at baseline and, separately, at 1-year follow-up. RESULTS: Both linear and non-linear models achieved comparable results for predicting baseline (EN: MAE=3.757; R(2) =0.156; GBT: MAE=3.761; R(2) =0.147) and 1-year follow-up (EN: MAE=4.255; R(2) =0.103; GBT: MAE=4.262; R(2) =0.089) depression. Parental history of depression, greater family conflict, and shorter child sleep duration were among the top predictors of concurrent and future child depression symptoms across both models. Although resting-state fMRI features were relatively weaker predictors, functional connectivity of the caudate was consistently the strongest neural feature associated with depression symptoms at both timepoints. CONCLUSIONS: Consistent with prior research, parental mental health, family environment, and child sleep quality are important risk factors for youth depression. Functional connectivity of the caudate is a relatively weaker predictor of depression symptoms but may represent a biomarker for depression risk. En ligne : http://dx.doi.org/10.1111/jcpp.13608 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=490
in Journal of Child Psychology and Psychiatry > 63-12 (December 2022) . - p.1523-1533[article] Multi-level predictors of depression symptoms in the Adolescent Brain Cognitive Development (ABCD) study [texte imprimé] / Tiffany C. HO, Auteur ; Rutvik SHAH, Auteur ; Jyoti MISHRA, Auteur ; April C. MAY, Auteur ; Susan F. TAPERT, Auteur . - p.1523-1533.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 63-12 (December 2022) . - p.1523-1533
Mots-clés : Child Adolescent Humans Depression/psychology Magnetic Resonance Imaging/methods Family Conflict Brain/diagnostic imaging Cognition ABCD Study Adolescence depression functional MRI (fMRI) sleep Index. décimale : PER Périodiques Résumé : BACKGROUND: While identifying risk factors for adolescent depression is critical for early prevention and intervention, most studies have sought to understand the role of isolated factors rather than across a broad set of factors. Here, we sought to examine multi-level factors that maximize the prediction of depression symptoms in US children participating in the Adolescent Brain and Cognitive Development (ABCD) study. METHODS: A total of 7,995 participants from ABCD (version 3.0 release) provided complete data at baseline and 1-year follow-up data. Depression symptoms were measured with the Child Behavior Checklist. Predictive features included child demographic, environmental, and structural and resting-state fMRI variables, parental depression history and demographic characteristics. We used linear (elastic net regression, EN) and non-linear (gradient-boosted trees, GBT) predictive models to identify which set of features maximized prediction of depression symptoms at baseline and, separately, at 1-year follow-up. RESULTS: Both linear and non-linear models achieved comparable results for predicting baseline (EN: MAE=3.757; R(2) =0.156; GBT: MAE=3.761; R(2) =0.147) and 1-year follow-up (EN: MAE=4.255; R(2) =0.103; GBT: MAE=4.262; R(2) =0.089) depression. Parental history of depression, greater family conflict, and shorter child sleep duration were among the top predictors of concurrent and future child depression symptoms across both models. Although resting-state fMRI features were relatively weaker predictors, functional connectivity of the caudate was consistently the strongest neural feature associated with depression symptoms at both timepoints. CONCLUSIONS: Consistent with prior research, parental mental health, family environment, and child sleep quality are important risk factors for youth depression. Functional connectivity of the caudate is a relatively weaker predictor of depression symptoms but may represent a biomarker for depression risk. En ligne : http://dx.doi.org/10.1111/jcpp.13608 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=490 Sympathetic nervous system dominance during stress recovery mediates associations between stress sensitivity and social anxiety symptoms in female adolescents / Tiffany C. HO in Development and Psychopathology, 32-5 (December 2020)
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Titre : Sympathetic nervous system dominance during stress recovery mediates associations between stress sensitivity and social anxiety symptoms in female adolescents Type de document : texte imprimé Auteurs : Tiffany C. HO, Auteur ; Holly T. PHAM, Auteur ; Jonas G. MILLER, Auteur ; Katharina KIRCANSKI, Auteur ; Ian H. GOTLIB, Auteur Article en page(s) : p.1914-1925 Langues : Anglais (eng) Mots-clés : Adolescent Anxiety Autonomic Nervous System Female Heart Rate Humans Male *Respiratory Sinus Arrhythmia Stress, Psychological Sympathetic Nervous System *adolescence *skin conductance level stress *social anxiety disorder Index. décimale : PER Périodiques Résumé : Social anxiety disorder (SAD) is commonly diagnosed during adolescence and is associated with psychological stress reactivity and heightened physiological arousal. No study, however, has systematically examined which aspects of autonomic nervous system function mediate likely links between stress sensitivity and social anxiety symptoms in adolescents. Here, we assessed 163 adolescents (90 females; 12.29 ± 1.39 years) with respect to life stress and social anxiety symptoms, and measured respiratory sinus arrhythmia (RSA) and skin conductance levels (SCL) during a psychosocial stress paradigm. We operationalized stress sensitivity as the residual variance in subjective stress severity after accounting for objective severity and changes in autonomic regulation using standardized change scores in RSA and SCL. In females only, stress sensitivity and social anxiety symptoms were significantly correlated with each other (p < .001) and with autonomic regulation during both reactivity and recovery (all ps < 0.04). Further, sympathetic nervous system dominance during recovery specifically mediated associations between stress sensitivity and social anxiety symptoms (B = 1.06, 95% CI: 0.02-2.64). In contrast, in males, stress sensitivity, autonomic regulation during reactivity or recovery, and social anxiety symptoms were not significantly associated (all ps > 0.1). We interpret these results in the context of psychobiological models of SAD and discuss implications for interventions targeting autonomic processes. En ligne : http://dx.doi.org/10.1017/s0954579420001261 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=437
in Development and Psychopathology > 32-5 (December 2020) . - p.1914-1925[article] Sympathetic nervous system dominance during stress recovery mediates associations between stress sensitivity and social anxiety symptoms in female adolescents [texte imprimé] / Tiffany C. HO, Auteur ; Holly T. PHAM, Auteur ; Jonas G. MILLER, Auteur ; Katharina KIRCANSKI, Auteur ; Ian H. GOTLIB, Auteur . - p.1914-1925.
Langues : Anglais (eng)
in Development and Psychopathology > 32-5 (December 2020) . - p.1914-1925
Mots-clés : Adolescent Anxiety Autonomic Nervous System Female Heart Rate Humans Male *Respiratory Sinus Arrhythmia Stress, Psychological Sympathetic Nervous System *adolescence *skin conductance level stress *social anxiety disorder Index. décimale : PER Périodiques Résumé : Social anxiety disorder (SAD) is commonly diagnosed during adolescence and is associated with psychological stress reactivity and heightened physiological arousal. No study, however, has systematically examined which aspects of autonomic nervous system function mediate likely links between stress sensitivity and social anxiety symptoms in adolescents. Here, we assessed 163 adolescents (90 females; 12.29 ± 1.39 years) with respect to life stress and social anxiety symptoms, and measured respiratory sinus arrhythmia (RSA) and skin conductance levels (SCL) during a psychosocial stress paradigm. We operationalized stress sensitivity as the residual variance in subjective stress severity after accounting for objective severity and changes in autonomic regulation using standardized change scores in RSA and SCL. In females only, stress sensitivity and social anxiety symptoms were significantly correlated with each other (p < .001) and with autonomic regulation during both reactivity and recovery (all ps < 0.04). Further, sympathetic nervous system dominance during recovery specifically mediated associations between stress sensitivity and social anxiety symptoms (B = 1.06, 95% CI: 0.02-2.64). In contrast, in males, stress sensitivity, autonomic regulation during reactivity or recovery, and social anxiety symptoms were not significantly associated (all ps > 0.1). We interpret these results in the context of psychobiological models of SAD and discuss implications for interventions targeting autonomic processes. En ligne : http://dx.doi.org/10.1017/s0954579420001261 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=437 The association between early life stress and prefrontal cortex activation during implicit emotion regulation is moderated by sex in early adolescence / Natalie L. COLICH in Development and Psychopathology, 29-5 (December 2017)
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