Annual Research Review: Psychosis in children and adolescents: key updates from the past 2 decades on psychotic disorders, psychotic experiences, and psychosis risk / Ian KELLEHER in Journal of Child Psychology and Psychiatry, 66-4 (April 2025)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 66-4 (April 2025) . - p.460-476 Titre : Annual Research Review: Psychosis in children and adolescents: key updates from the past 2 decades on psychotic disorders, psychotic experiences, and psychosis risk Type de document : texte imprimé Auteurs : Ian KELLEHER, Auteur Article en page(s) : p.460-476 Langues : Anglais (eng) Mots-clés : Schizophrenia  early-onset psychosis  psychotic experiences  psychosis risk  children  adolescents Index. décimale : PER Périodiques Résumé : Psychosis in children and adolescents has been studied on a spectrum from (common) psychotic experiences to (rare) early-onset schizophrenia spectrum disorders. This research review looks at the state-of-the-art for research across the psychosis spectrum, from evidence on psychotic experiences in community and clinical samples of children and adolescents to findings from psychosis risk syndrome research, to evidence on early-onset psychotic disorders. The review also looks at new opportunities to capture psychosis risk in childhood and adolescence, including opportunities for early intervention, identifies important unanswered questions, and points to future directions for prevention research. En ligne : https://doi.org/10.1111/jcpp.14088 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=550 [article] Annual Research Review: Psychosis in children and adolescents: key updates from the past 2 decades on psychotic disorders, psychotic experiences, and psychosis risk [texte imprimé] / Ian KELLEHER, Auteur . - p.460-476. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 66-4 (April 2025) . - p.460-476 Mots-clés : Schizophrenia  early-onset psychosis  psychotic experiences  psychosis risk  children  adolescents Index. décimale : PER Périodiques Résumé : Psychosis in children and adolescents has been studied on a spectrum from (common) psychotic experiences to (rare) early-onset schizophrenia spectrum disorders. This research review looks at the state-of-the-art for research across the psychosis spectrum, from evidence on psychotic experiences in community and clinical samples of children and adolescents to findings from psychosis risk syndrome research, to evidence on early-onset psychotic disorders. The review also looks at new opportunities to capture psychosis risk in childhood and adolescence, including opportunities for early intervention, identifies important unanswered questions, and points to future directions for prevention research. En ligne : https://doi.org/10.1111/jcpp.14088 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=550

Changes in self-concept and risk of psychotic experiences in adolescence: a longitudinal population-based cohort study / Colm HEALY in Journal of Child Psychology and Psychiatry, 60-11 (November 2019)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 60-11 (November 2019) . - p.1164-1173 Titre : Changes in self-concept and risk of psychotic experiences in adolescence: a longitudinal population-based cohort study Type de document : texte imprimé Auteurs : Colm HEALY, Auteur ; Helen COUGHLAN, Auteur ; Justin WILLIAMS, Auteur ; Margaret CLARKE, Auteur ; Ian KELLEHER, Auteur ; Mary CANNON, Auteur Article en page(s) : p.1164-1173 Langues : Anglais (eng) Mots-clés : Psychotic experiences  child development  preventative psychiatry  self-concept Index. décimale : PER Périodiques Résumé : BACKGROUND: Psychotic experiences (PEs) are commonly reported in adolescence and are associated with a range of negative outcomes. Few targets for intervention for PEs have been identified. One potential target is self-concept: an individual's beliefs about his/her personal attributes. Improvements in self-concept have been shown to reduce psychotic symptoms in patients with schizophrenia but no study has investigated the relationship between changes in self-concept and risk of PEs in the general population. We aimed to investigate: (a) the relationship between child and adolescent self-concept and adolescent PEs; and (b) whether changes in self-concept between childhood and adolescence were associated with risk of adolescent PEs. METHOD: Using data from age 9 and age 13 (n = 7,423) of the child cohort (Cohort'98) from the Growing Up in Ireland study we investigated the relationship between self-concept at age 9 and age 13 and PEs at age 13. PEs were measured using the Adolescent Psychotic Symptoms Screener and self-concept was measured using the Piers Harris-II. Using a stratified analysis, we investigated the relationship between change in self-concept between age 9 and age 13 and the risk of PEs at age 13. Additionally we investigated changes across the six self-concept subscales. RESULTS: Psychotic experiences were reported by 13% of participants at age 13. 'Very low' self-concept at age 9 was associated with an increased risk of PEs at age 13 (Adjusted-OR: 2.74, CI: 1.80-4.19), and 'High' self-concept at age 9 was associated with a decreased risk of PEs at age 13 (Adjusted-OR: 0.77, CI: 0.60-0.97). The stratified analysis indicated that improvements in self-concept reduced the odds of adolescent PEs and decline in self-concept increased the odds of adolescent PEs. This effect was noted across the majority of the self-concept subscales. CONCLUSIONS: There is a strong relationship between self-concept and PEs. The antecedents of low self-concept may be a useful target for preventative psychiatry. Broad-spectrum interventions targeting self-concept in childhood may help to reduce the incidence of PEs in adolescence. En ligne : http://dx.doi.org/10.1111/jcpp.13022 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=408 [article] Changes in self-concept and risk of psychotic experiences in adolescence: a longitudinal population-based cohort study [texte imprimé] / Colm HEALY, Auteur ; Helen COUGHLAN, Auteur ; Justin WILLIAMS, Auteur ; Margaret CLARKE, Auteur ; Ian KELLEHER, Auteur ; Mary CANNON, Auteur . - p.1164-1173. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 60-11 (November 2019) . - p.1164-1173 Mots-clés : Psychotic experiences  child development  preventative psychiatry  self-concept Index. décimale : PER Périodiques Résumé : BACKGROUND: Psychotic experiences (PEs) are commonly reported in adolescence and are associated with a range of negative outcomes. Few targets for intervention for PEs have been identified. One potential target is self-concept: an individual's beliefs about his/her personal attributes. Improvements in self-concept have been shown to reduce psychotic symptoms in patients with schizophrenia but no study has investigated the relationship between changes in self-concept and risk of PEs in the general population. We aimed to investigate: (a) the relationship between child and adolescent self-concept and adolescent PEs; and (b) whether changes in self-concept between childhood and adolescence were associated with risk of adolescent PEs. METHOD: Using data from age 9 and age 13 (n = 7,423) of the child cohort (Cohort'98) from the Growing Up in Ireland study we investigated the relationship between self-concept at age 9 and age 13 and PEs at age 13. PEs were measured using the Adolescent Psychotic Symptoms Screener and self-concept was measured using the Piers Harris-II. Using a stratified analysis, we investigated the relationship between change in self-concept between age 9 and age 13 and the risk of PEs at age 13. Additionally we investigated changes across the six self-concept subscales. RESULTS: Psychotic experiences were reported by 13% of participants at age 13. 'Very low' self-concept at age 9 was associated with an increased risk of PEs at age 13 (Adjusted-OR: 2.74, CI: 1.80-4.19), and 'High' self-concept at age 9 was associated with a decreased risk of PEs at age 13 (Adjusted-OR: 0.77, CI: 0.60-0.97). The stratified analysis indicated that improvements in self-concept reduced the odds of adolescent PEs and decline in self-concept increased the odds of adolescent PEs. This effect was noted across the majority of the self-concept subscales. CONCLUSIONS: There is a strong relationship between self-concept and PEs. The antecedents of low self-concept may be a useful target for preventative psychiatry. Broad-spectrum interventions targeting self-concept in childhood may help to reduce the incidence of PEs in adolescence. En ligne : http://dx.doi.org/10.1111/jcpp.13022 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=408

Loneliness patterns across time and subsequent risk of psychotic experiences, depression, anxiety, and diminished well-being in adolescents / Zui C. NARITA in Journal of Child Psychology and Psychiatry, 67-7 (July 2026)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 67-7 (July 2026) . - p.1095-1105 Titre : Loneliness patterns across time and subsequent risk of psychotic experiences, depression, anxiety, and diminished well-being in adolescents Type de document : texte imprimé Auteurs : Zui C. NARITA, Auteur ; Jordan DEVYLDER, Auteur ; Gemma KNOWLES, Auteur ; Syudo YAMASAKI, Auteur ; Mitsuhiro MIYASHITA, Auteur ; Daniel STANYON, Auteur ; Satoshi YAMAGUCHI, Auteur ; Tomohiro SHINOZAKI, Auteur ; Ryo SASAKI, Auteur ; Rui ZHOU, Auteur ; Shuntaro ANDO, Auteur ; Craig MORGAN, Auteur ; Paola DAZZAN, Auteur ; Toshiaki A. FURUKAWA, Auteur ; Kiyoto KASAI, Auteur ; Ian KELLEHER, Auteur ; Atsushi NISHIDA, Auteur Article en page(s) : p.1095-1105 Langues : Anglais (eng) Mots-clés : Major depressive disorder (MDD)  schizophrenia  psychosis  anxiety  adolescence Index. décimale : PER Périodiques Résumé : Background Evidence on the association between loneliness and psychotic experiences in adolescents remains limited. Moreover, loneliness has typically been assessed at a single time point, which fails to capture its dynamic nature. We hypothesized that persistent loneliness, assessed across repeated measures, would be associated with psychotic experiences and other mental health problems. Methods Using longitudinal data from 3,171 participants in the Tokyo Teen Cohort, we applied the g-formula. We analyzed how loneliness patterns at ages 12 and 14 were associated with psychotic experiences, depression, anxiety, and diminished well-being at age 16, accounting for time-fixed and time-varying confounders. Missing data were handled using multiple imputation by chained equations. Results Persistent loneliness was associated with increased risk and greater severity of psychotic experiences (RD 7.1%, 95% CI: 0.8?14.3; RR 2.44, 95% CI: 1.16?4.11; ? 0.28, 95% CI: 0.10?0.48). Incident loneliness at age 14 showed similar associations. No association was found for adolescents whose loneliness had remitted by age 14 (RD ?1.3%, 95% CI: ?3.6 to 1.2; RR 0.73, 95% CI: 0.31?1.26; ? 0.01, 95% CI: ?0.04 to 0.08). Sensitivity analyses using marginal structural models yielded results that were largely unchanged. Findings were generally similar for other mental health problems. Associations were consistent across genders, although the association with well-being appeared particularly important for girls. Conclusions The dynamics of loneliness are associated with a wide range of mental health problems in adolescents. The risk may not be permanent and could be mitigated if loneliness remits. Further research examining interventions that target loneliness is warranted. En ligne : https://doi.org/10.1111/jcpp.70114 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=588 [article] Loneliness patterns across time and subsequent risk of psychotic experiences, depression, anxiety, and diminished well-being in adolescents [texte imprimé] / Zui C. NARITA, Auteur ; Jordan DEVYLDER, Auteur ; Gemma KNOWLES, Auteur ; Syudo YAMASAKI, Auteur ; Mitsuhiro MIYASHITA, Auteur ; Daniel STANYON, Auteur ; Satoshi YAMAGUCHI, Auteur ; Tomohiro SHINOZAKI, Auteur ; Ryo SASAKI, Auteur ; Rui ZHOU, Auteur ; Shuntaro ANDO, Auteur ; Craig MORGAN, Auteur ; Paola DAZZAN, Auteur ; Toshiaki A. FURUKAWA, Auteur ; Kiyoto KASAI, Auteur ; Ian KELLEHER, Auteur ; Atsushi NISHIDA, Auteur . - p.1095-1105. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 67-7 (July 2026) . - p.1095-1105 Mots-clés : Major depressive disorder (MDD)  schizophrenia  psychosis  anxiety  adolescence Index. décimale : PER Périodiques Résumé : Background Evidence on the association between loneliness and psychotic experiences in adolescents remains limited. Moreover, loneliness has typically been assessed at a single time point, which fails to capture its dynamic nature. We hypothesized that persistent loneliness, assessed across repeated measures, would be associated with psychotic experiences and other mental health problems. Methods Using longitudinal data from 3,171 participants in the Tokyo Teen Cohort, we applied the g-formula. We analyzed how loneliness patterns at ages 12 and 14 were associated with psychotic experiences, depression, anxiety, and diminished well-being at age 16, accounting for time-fixed and time-varying confounders. Missing data were handled using multiple imputation by chained equations. Results Persistent loneliness was associated with increased risk and greater severity of psychotic experiences (RD 7.1%, 95% CI: 0.8?14.3; RR 2.44, 95% CI: 1.16?4.11; ? 0.28, 95% CI: 0.10?0.48). Incident loneliness at age 14 showed similar associations. No association was found for adolescents whose loneliness had remitted by age 14 (RD ?1.3%, 95% CI: ?3.6 to 1.2; RR 0.73, 95% CI: 0.31?1.26; ? 0.01, 95% CI: ?0.04 to 0.08). Sensitivity analyses using marginal structural models yielded results that were largely unchanged. Findings were generally similar for other mental health problems. Associations were consistent across genders, although the association with well-being appeared particularly important for girls. Conclusions The dynamics of loneliness are associated with a wide range of mental health problems in adolescents. The risk may not be permanent and could be mitigated if loneliness remits. Further research examining interventions that target loneliness is warranted. En ligne : https://doi.org/10.1111/jcpp.70114 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=588

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