Annual Research Review: Health anxiety in children and adolescents-developmental aspects and cross-generational influences / Charlotte U. RASK in Journal of Child Psychology and Psychiatry, 65-4 (April 2024)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 65-4 (April 2024) . - p.413-430 Titre : Annual Research Review: Health anxiety in children and adolescents-developmental aspects and cross-generational influences Type de document : texte imprimé Auteurs : Charlotte U. RASK, Auteur ; Charlotte Steen DUHOLM, Auteur ; Cecilie MULLER POULSEN, Auteur ; Martin K. RIMVALL, Auteur ; Kristi D. WRIGHT, Auteur Article en page(s) : p.413-430 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Health anxiety involves excessive worries about one's health along with beliefs one has an illness or may contract a serious disease. Concerning evidence suggests that health anxiety is on the rise in society, possibly further fueled by the COVID-19 pandemic. Recent classification systems acknowledge that impairing health-related worries and beliefs can emerge in early childhood with significant levels of symptoms persisting throughout childhood, and possibly continuous with diagnostic considerations in adulthood. This narrative review summarizes recent research advances in health anxiety in children and adolescents, focusing on various developmental aspects of health anxiety and related concepts in youths. Findings suggest that health anxiety symptoms in young age groups are associated with impairment, distress, and increased healthcare use, as well as substantial comorbidity with mainly other emotional problems and disorders. Furthermore, longitudinal studies suggest that childhood health anxiety can persist across adolescence, perhaps with links to chronic courses in adulthood. The growing literature was further reviewed, thus extending our understanding of early risk factors, including the potential role of exposure to serious illness and transgenerational transmission of health anxiety. Learning more about developmental trajectories will be highly relevant to inform strategies for early detection and prevention. While modified cognitive behavioral therapies in adults are successful in treating health anxiety, specific interventions have not yet been tested in youths. Given substantial overlaps with other psychopathology, it could be important to develop and explore more transdiagnostic and scalable approaches that take advantage of common factors in psychotherapy, while also including a wider perspective on potential familiar maladaptive illness cognitions and behaviors. En ligne : https://doi.org/10.1111/jcpp.13912 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=523 [article] Annual Research Review: Health anxiety in children and adolescents-developmental aspects and cross-generational influences [texte imprimé] / Charlotte U. RASK, Auteur ; Charlotte Steen DUHOLM, Auteur ; Cecilie MULLER POULSEN, Auteur ; Martin K. RIMVALL, Auteur ; Kristi D. WRIGHT, Auteur . - p.413-430. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 65-4 (April 2024) . - p.413-430 Index. décimale : PER Périodiques Résumé : Health anxiety involves excessive worries about one's health along with beliefs one has an illness or may contract a serious disease. Concerning evidence suggests that health anxiety is on the rise in society, possibly further fueled by the COVID-19 pandemic. Recent classification systems acknowledge that impairing health-related worries and beliefs can emerge in early childhood with significant levels of symptoms persisting throughout childhood, and possibly continuous with diagnostic considerations in adulthood. This narrative review summarizes recent research advances in health anxiety in children and adolescents, focusing on various developmental aspects of health anxiety and related concepts in youths. Findings suggest that health anxiety symptoms in young age groups are associated with impairment, distress, and increased healthcare use, as well as substantial comorbidity with mainly other emotional problems and disorders. Furthermore, longitudinal studies suggest that childhood health anxiety can persist across adolescence, perhaps with links to chronic courses in adulthood. The growing literature was further reviewed, thus extending our understanding of early risk factors, including the potential role of exposure to serious illness and transgenerational transmission of health anxiety. Learning more about developmental trajectories will be highly relevant to inform strategies for early detection and prevention. While modified cognitive behavioral therapies in adults are successful in treating health anxiety, specific interventions have not yet been tested in youths. Given substantial overlaps with other psychopathology, it could be important to develop and explore more transdiagnostic and scalable approaches that take advantage of common factors in psychotherapy, while also including a wider perspective on potential familiar maladaptive illness cognitions and behaviors. En ligne : https://doi.org/10.1111/jcpp.13912 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=523

Continuity of health anxiety from childhood to adolescence and associated healthcare costs: a prospective population-based cohort study / Martin K. RIMVALL in Journal of Child Psychology and Psychiatry, 62-4 (April 2021)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 62-4 (April 2021) . - p.441-448 Titre : Continuity of health anxiety from childhood to adolescence and associated healthcare costs: a prospective population-based cohort study Type de document : texte imprimé Auteurs : Martin K. RIMVALL, Auteur ; Pia JEPPESEN, Auteur ; Anne Mette SKOVGAARD, Auteur ; Frank VERHULST, Auteur ; Else Marie OLSEN, Auteur ; Charlotte U. RASK, Auteur Article en page(s) : p.441-448 Langues : Anglais (eng) Mots-clés : Health anxiety  childhood and adolescence  healthcare costs  longitudinal cohort Index. décimale : PER Périodiques Résumé : BACKGROUND: Severe health anxiety (HA) is characterized by excessive and impairing worry and preoccupation with health issues and can cause increased and unnecessary medical examinations. HA in childhood and adolescence is scarcely explored, hindering the potential for prevention and early intervention. METHODS: HA was assessed in 1,278 children/youths at two time points at ages 11 and 16 years in a general population-based birth cohort. Register-based data on costs related to nonhospital-based primary and secondary somatic health services were obtained over the follow-up period. The presence of functional somatic symptoms, emotional disorders and chronic somatic illness at baseline were included as covariates. RESULTS: High HA (top 10% score) at age 11 predicted high HA at age 16 (relative risk [RR] 2.03, 95% CI: 1.26-3.31). The group with persistent HA was small (n = 17, 1.3%), resulting in broad confidence intervals. The statistical effect of HA at age 11 on HA at age 16 was heavily reduced after adjustment for sex and all covariates (RR: 1.49, 95% CI: 0.85-2.60). In the adjusted model, somatic illness at age 11 (RR: 1.91, 95% CI: 1.22-2.98) and female sex (RR: 3.33, 95% CI: 2.01-5.50) were independently associated with HA at age 16. Persistent HA was associated with approximately doubled healthcare costs compared to the group with consistently low HA. Incident HA at age 16 was associated with increased costs over follow-up. The increased costs were not explained by chronic somatic illness. CONCLUSIONS: A small subgroup of children had persistent high levels of HA from late childhood to adolescence and displayed increased healthcare costs. Female sex and chronic somatic disorders at age 11 were independent risk factors of HA at age 16. These findings provide potential means of early identification and of therapeutic levers. Further intervention development and evaluation are needed. En ligne : http://dx.doi.org/10.1111/jcpp.13286 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=445 [article] Continuity of health anxiety from childhood to adolescence and associated healthcare costs: a prospective population-based cohort study [texte imprimé] / Martin K. RIMVALL, Auteur ; Pia JEPPESEN, Auteur ; Anne Mette SKOVGAARD, Auteur ; Frank VERHULST, Auteur ; Else Marie OLSEN, Auteur ; Charlotte U. RASK, Auteur . - p.441-448. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 62-4 (April 2021) . - p.441-448 Mots-clés : Health anxiety  childhood and adolescence  healthcare costs  longitudinal cohort Index. décimale : PER Périodiques Résumé : BACKGROUND: Severe health anxiety (HA) is characterized by excessive and impairing worry and preoccupation with health issues and can cause increased and unnecessary medical examinations. HA in childhood and adolescence is scarcely explored, hindering the potential for prevention and early intervention. METHODS: HA was assessed in 1,278 children/youths at two time points at ages 11 and 16 years in a general population-based birth cohort. Register-based data on costs related to nonhospital-based primary and secondary somatic health services were obtained over the follow-up period. The presence of functional somatic symptoms, emotional disorders and chronic somatic illness at baseline were included as covariates. RESULTS: High HA (top 10% score) at age 11 predicted high HA at age 16 (relative risk [RR] 2.03, 95% CI: 1.26-3.31). The group with persistent HA was small (n = 17, 1.3%), resulting in broad confidence intervals. The statistical effect of HA at age 11 on HA at age 16 was heavily reduced after adjustment for sex and all covariates (RR: 1.49, 95% CI: 0.85-2.60). In the adjusted model, somatic illness at age 11 (RR: 1.91, 95% CI: 1.22-2.98) and female sex (RR: 3.33, 95% CI: 2.01-5.50) were independently associated with HA at age 16. Persistent HA was associated with approximately doubled healthcare costs compared to the group with consistently low HA. Incident HA at age 16 was associated with increased costs over follow-up. The increased costs were not explained by chronic somatic illness. CONCLUSIONS: A small subgroup of children had persistent high levels of HA from late childhood to adolescence and displayed increased healthcare costs. Female sex and chronic somatic disorders at age 11 were independent risk factors of HA at age 16. These findings provide potential means of early identification and of therapeutic levers. Further intervention development and evaluation are needed. En ligne : http://dx.doi.org/10.1111/jcpp.13286 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=445

Group Based Cognitive Behavioural Therapy for Anxiety in Children with Autism Spectrum Disorder: A Randomised Controlled Trial in a General Child Psychiatric Hospital Setting / Merete J. SØRENSEN ; Mikael THASTUM ; Ronald M. RAPEE ; Charlotte U. RASK ; Kristian ARENDT ; Anders H. CARLSEN ; Per H. THOMSEN in Journal of Autism and Developmental Disorders, 53-2 (February 2023)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 53-2 (February 2023) . - p.525-538 Titre : Group Based Cognitive Behavioural Therapy for Anxiety in Children with Autism Spectrum Disorder: A Randomised Controlled Trial in a General Child Psychiatric Hospital Setting Type de document : texte imprimé Auteurs : Merete J. SØRENSEN, Auteur ; Mikael THASTUM, Auteur ; Ronald M. RAPEE, Auteur ; Charlotte U. RASK, Auteur ; Kristian ARENDT, Auteur ; Anders H. CARLSEN, Auteur ; Per H. THOMSEN, Auteur Article en page(s) : p.525-538 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Cognitive Behavioural Therapy (CBT) programs adapted to children with Autism Spectrum Disorder (ASD) effectively reduce anxiety when run in university clinics. Forty-nine children aged 8-14 years participated in a waitlist controlled study in a general child psychiatric hospital setting. Post-treatment 30% of the children were free of their primary anxiety diagnoses and 5% were free of all anxiety diagnoses. No statistically significant difference between the two trial conditions were found on primary outcomes. However, statistically significant differences were found on secondary outcomes indicating clinically meaningful treatment responses. Together with high program satisfaction this study shows the CBT program to be feasible and potentially efficacious in treating anxiety in children with ASD in a general child psychiatric hospital setting. En ligne : https://doi.org/10.1007/s10803-020-04471-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=495 [article] Group Based Cognitive Behavioural Therapy for Anxiety in Children with Autism Spectrum Disorder: A Randomised Controlled Trial in a General Child Psychiatric Hospital Setting [texte imprimé] / Merete J. SØRENSEN, Auteur ; Mikael THASTUM, Auteur ; Ronald M. RAPEE, Auteur ; Charlotte U. RASK, Auteur ; Kristian ARENDT, Auteur ; Anders H. CARLSEN, Auteur ; Per H. THOMSEN, Auteur . - p.525-538. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 53-2 (February 2023) . - p.525-538 Index. décimale : PER Périodiques Résumé : Cognitive Behavioural Therapy (CBT) programs adapted to children with Autism Spectrum Disorder (ASD) effectively reduce anxiety when run in university clinics. Forty-nine children aged 8-14 years participated in a waitlist controlled study in a general child psychiatric hospital setting. Post-treatment 30% of the children were free of their primary anxiety diagnoses and 5% were free of all anxiety diagnoses. No statistically significant difference between the two trial conditions were found on primary outcomes. However, statistically significant differences were found on secondary outcomes indicating clinically meaningful treatment responses. Together with high program satisfaction this study shows the CBT program to be feasible and potentially efficacious in treating anxiety in children with ASD in a general child psychiatric hospital setting. En ligne : https://doi.org/10.1007/s10803-020-04471-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=495

Infancy predictors of hyperkinetic and pervasive developmental disorders at ages 5–7 years: results from the Copenhagen Child Cohort CCC2000 / Hanne ELBERLING in Journal of Child Psychology and Psychiatry, 55-12 (December 2014)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 55-12 (December 2014) . - p.1328-1335 Titre : Infancy predictors of hyperkinetic and pervasive developmental disorders at ages 5–7 years: results from the Copenhagen Child Cohort CCC2000 Type de document : texte imprimé Auteurs : Hanne ELBERLING, Auteur ; Allan LINNEBERG, Auteur ; Else Marie OLSEN, Auteur ; Tine HOUMANN, Auteur ; Charlotte U. RASK, Auteur ; Robert GOODMAN, Auteur ; Anne Mette SKOVGAARD, Auteur Article en page(s) : p.1328-1335 Langues : Anglais (eng) Mots-clés : Infancy  predictors  autism spectrum disorder  hyperactivity disorder  mother-infant relationship  birth cohort  longitudinal study  CCC2000 Index. décimale : PER Périodiques Résumé : Background Epidemiological studies infancy predictors of mental disorders are scarce. Methods The study is part of a longitudinal birth-cohort study, The Copenhagen Child Cohort CCC2000. Infant mental health and development and mother-infant relations were assessed by community health nurses from birth to age 10 months. Data on the perinatal period were obtained from Danish National Registers. Mental health outcome at age 5–7 years was investigated in 1,585 children who were assessed by the Developmental and Well-Being Assessment (DAWBA) and diagnosed according to the ICD-10. Results Predictors of autism spectrum disorders were problems of oral-motor development OR 5.02 (95% CI: 1.63–15.42) and overall development OR 4.24 (95% CI: 1.35–13.33). A deviant pattern of activity and interests were predictive of autism spectrum disorder, OR 5.34 (95% CI 1.45–19.70) and hyperkinetic disorder, OR 4.71 (95% CI: 1.28–17.39). Hyperkinetic disorder was furthermore predicted by mother-infant relationship problems, OR 8.07 (95% CI: 2.90–22.47). The significant associations between infant developmental problems and autism spectrum disorders persisted in multiple logistic regression analyses controlled for maternal psychological problems and mother-infant relationship problems, OR 3.21 (95% CI: 1.09–9.45). Mother-infant relationship problems remained strongly associated to hyperkinetic disorders in the multivariate analyses controlled for child development problems and maternal psychological problems, OR 5.20 (95% CI: 1.55–17.47). No significant infancy predictors were found regarding emotional and behavioural disorders at age 5–7 years. Conclusion Predictors of autism spectrum/pervasive developmental disorders and hyperkinetic disorders at child age 5–7 years were identified between birth and child age 10 months in community health settings. The study results suggest potential areas of early preventive intervention, which have to be further explored regarding the psychometric qualities of the identification of infants at risk, and concerning methods to handle and intervene towards these children in the general child health surveillance. En ligne : http://dx.doi.org/10.1111/jcpp.12256 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=243 [article] Infancy predictors of hyperkinetic and pervasive developmental disorders at ages 5–7 years: results from the Copenhagen Child Cohort CCC2000 [texte imprimé] / Hanne ELBERLING, Auteur ; Allan LINNEBERG, Auteur ; Else Marie OLSEN, Auteur ; Tine HOUMANN, Auteur ; Charlotte U. RASK, Auteur ; Robert GOODMAN, Auteur ; Anne Mette SKOVGAARD, Auteur . - p.1328-1335. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 55-12 (December 2014) . - p.1328-1335 Mots-clés : Infancy  predictors  autism spectrum disorder  hyperactivity disorder  mother-infant relationship  birth cohort  longitudinal study  CCC2000 Index. décimale : PER Périodiques Résumé : Background Epidemiological studies infancy predictors of mental disorders are scarce. Methods The study is part of a longitudinal birth-cohort study, The Copenhagen Child Cohort CCC2000. Infant mental health and development and mother-infant relations were assessed by community health nurses from birth to age 10 months. Data on the perinatal period were obtained from Danish National Registers. Mental health outcome at age 5–7 years was investigated in 1,585 children who were assessed by the Developmental and Well-Being Assessment (DAWBA) and diagnosed according to the ICD-10. Results Predictors of autism spectrum disorders were problems of oral-motor development OR 5.02 (95% CI: 1.63–15.42) and overall development OR 4.24 (95% CI: 1.35–13.33). A deviant pattern of activity and interests were predictive of autism spectrum disorder, OR 5.34 (95% CI 1.45–19.70) and hyperkinetic disorder, OR 4.71 (95% CI: 1.28–17.39). Hyperkinetic disorder was furthermore predicted by mother-infant relationship problems, OR 8.07 (95% CI: 2.90–22.47). The significant associations between infant developmental problems and autism spectrum disorders persisted in multiple logistic regression analyses controlled for maternal psychological problems and mother-infant relationship problems, OR 3.21 (95% CI: 1.09–9.45). Mother-infant relationship problems remained strongly associated to hyperkinetic disorders in the multivariate analyses controlled for child development problems and maternal psychological problems, OR 5.20 (95% CI: 1.55–17.47). No significant infancy predictors were found regarding emotional and behavioural disorders at age 5–7 years. Conclusion Predictors of autism spectrum/pervasive developmental disorders and hyperkinetic disorders at child age 5–7 years were identified between birth and child age 10 months in community health settings. The study results suggest potential areas of early preventive intervention, which have to be further explored regarding the psychometric qualities of the identification of infants at risk, and concerning methods to handle and intervene towards these children in the general child health surveillance. En ligne : http://dx.doi.org/10.1111/jcpp.12256 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=243

Psychotic experiences are associated with health anxiety and functional somatic symptoms in preadolescence / Martin K. RIMVALL in Journal of Child Psychology and Psychiatry, 60-5 (May 2019)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 60-5 (May 2019) . - p.524-532 Titre : Psychotic experiences are associated with health anxiety and functional somatic symptoms in preadolescence Type de document : texte imprimé Auteurs : Martin K. RIMVALL, Auteur ; Cecilia Pihl JESPERSEN, Auteur ; Lars CLEMMENSEN, Auteur ; Anja MUNKHOLM, Auteur ; Anne M. SKOVGAARD, Auteur ; Frank VERHULST, Auteur ; Jim VAN OS, Auteur ; Charlotte U. RASK, Auteur ; Pia JEPPESEN, Auteur Article en page(s) : p.524-532 Langues : Anglais (eng) Mots-clés : Psychosis  anxiety  epidemiology  somatization Index. décimale : PER Périodiques Résumé : BACKGROUND: Health anxiety (HA) is an increasing public health problem related to increased health service costs, and associated with functional somatic symptoms (FSS) and considerable personal suffering. Abnormal bodily experiences which may resemble HA and FSS are common in psychotic disorders, but a potential link between HA and psychosis vulnerability in childhood is largely unexplored. The current study estimates the association between subclinical psychotic experiences (PE) and HA and FSS in a general population cohort of preadolescents. METHODS: The study population consisted of 1,572 11-12-year-old children from the Copenhagen Child Cohort 2000. PE were comprehensibly assessed as either present or not present using the Kiddie Schedule of Affective Disorders and Schizophrenia psychosis section. HA and FSS were assessed by self-report on validated questionnaires. Additional variables on general psychopathology, puberty, and chronic somatic illness were also obtained. RESULTS: Psychotic experiences were associated with the top 10% high scores of HA (Odds Ratio (OR) 3.2; 95% CI: 2.1-4.8) and FSS (OR 4.6; 95% CI: 3.1-6.9) in univariate analyses. After mutual adjustment, the association was reduced to (HA: OR 2.3; 95% CI: 1.5-3.5; FSS: OR 3.7; 95% CI: 2.4-4.7), suggesting interdependence. Further adjustment for potential confounders and general psychopathology only reduced the associations slightly: HA OR 2.2 (95% CI: 1.4-3.4); FSS OR 3.3 (95% CI: 2.1-5.2). Secondary analyses of subdimensions of HA showed that PE were associated with fears (OR 3.0; 95% CI: 2.0-4.6) and daily impact of HA symptoms (OR 5.0; 95% CI: 3.4-7.5), but not help seeking (OR 1.2; 95% CI: 0.7-2.1). CONCLUSIONS: This is the first study to investigate the associations between PE and HA and FSS, respectively. PE were significantly associated with HA and FSS over and above general psychopathology in preadolescence. Individuals with PE expressed high levels of health-related fears and daily impact, but no corresponding help-seeking behavior. En ligne : http://dx.doi.org/10.1111/jcpp.12986 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=392 [article] Psychotic experiences are associated with health anxiety and functional somatic symptoms in preadolescence [texte imprimé] / Martin K. RIMVALL, Auteur ; Cecilia Pihl JESPERSEN, Auteur ; Lars CLEMMENSEN, Auteur ; Anja MUNKHOLM, Auteur ; Anne M. SKOVGAARD, Auteur ; Frank VERHULST, Auteur ; Jim VAN OS, Auteur ; Charlotte U. RASK, Auteur ; Pia JEPPESEN, Auteur . - p.524-532. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 60-5 (May 2019) . - p.524-532 Mots-clés : Psychosis  anxiety  epidemiology  somatization Index. décimale : PER Périodiques Résumé : BACKGROUND: Health anxiety (HA) is an increasing public health problem related to increased health service costs, and associated with functional somatic symptoms (FSS) and considerable personal suffering. Abnormal bodily experiences which may resemble HA and FSS are common in psychotic disorders, but a potential link between HA and psychosis vulnerability in childhood is largely unexplored. The current study estimates the association between subclinical psychotic experiences (PE) and HA and FSS in a general population cohort of preadolescents. METHODS: The study population consisted of 1,572 11-12-year-old children from the Copenhagen Child Cohort 2000. PE were comprehensibly assessed as either present or not present using the Kiddie Schedule of Affective Disorders and Schizophrenia psychosis section. HA and FSS were assessed by self-report on validated questionnaires. Additional variables on general psychopathology, puberty, and chronic somatic illness were also obtained. RESULTS: Psychotic experiences were associated with the top 10% high scores of HA (Odds Ratio (OR) 3.2; 95% CI: 2.1-4.8) and FSS (OR 4.6; 95% CI: 3.1-6.9) in univariate analyses. After mutual adjustment, the association was reduced to (HA: OR 2.3; 95% CI: 1.5-3.5; FSS: OR 3.7; 95% CI: 2.4-4.7), suggesting interdependence. Further adjustment for potential confounders and general psychopathology only reduced the associations slightly: HA OR 2.2 (95% CI: 1.4-3.4); FSS OR 3.3 (95% CI: 2.1-5.2). Secondary analyses of subdimensions of HA showed that PE were associated with fears (OR 3.0; 95% CI: 2.0-4.6) and daily impact of HA symptoms (OR 5.0; 95% CI: 3.4-7.5), but not help seeking (OR 1.2; 95% CI: 0.7-2.1). CONCLUSIONS: This is the first study to investigate the associations between PE and HA and FSS, respectively. PE were significantly associated with HA and FSS over and above general psychopathology in preadolescence. Individuals with PE expressed high levels of health-related fears and daily impact, but no corresponding help-seeking behavior. En ligne : http://dx.doi.org/10.1111/jcpp.12986 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=392

Psychotic experiences co-occur with sleep problems, negative affect and mental disorders in preadolescence / Pia JEPPESEN in Journal of Child Psychology and Psychiatry, 56-5 (May 2015)  

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