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Auteur Linnea KARLSSON |
Documents disponibles écrits par cet auteur (6)



Association of cumulative prenatal adversity with infant subcortical structure volumes and child problem behavior and its moderation by a coexpression polygenic risk score of the serotonin system / Henriette ACOSTA in Development and Psychopathology, 36-3 (August 2024)
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[article]
Titre : Association of cumulative prenatal adversity with infant subcortical structure volumes and child problem behavior and its moderation by a coexpression polygenic risk score of the serotonin system Type de document : Texte imprimé et/ou numérique Auteurs : Henriette ACOSTA, Auteur ; Katri KANTOJARVI, Auteur ; Jetro J. TUULARI, Auteur ; John D. LEWIS, Auteur ; Niloofar HASHEMPOUR, Auteur ; Noora M. SCHEININ, Auteur ; Satu J. LEHTOLA, Auteur ; Saara NOLVI, Auteur ; Vladimir S. FONOV, Auteur ; D. Louis COLLINS, Auteur ; Alan C. EVANS, Auteur ; Riitta PARKKOLA, Auteur ; Tuire LÄHDESMÄKI, Auteur ; Jani SAUNAVAARA, Auteur ; Harri MERISAARI, Auteur ; Linnea KARLSSON, Auteur ; Tiina PAUNIO, Auteur ; Hasse KARLSSON, Auteur Article en page(s) : p.1027-1042 Langues : Anglais (eng) Mots-clés : MRI SDQ amygdala hyperactivity prenatal stress Index. décimale : PER Périodiques Résumé : Prenatal adversity has been linked to later psychopathology. Yet, research on cumulative prenatal adversity, as well as its interaction with offspring genotype, on brain and behavioral development is scarce. With this study, we aimed to address this gap. In Finnish mother-infant dyads, we investigated the association of a cumulative prenatal adversity sum score (PRE-AS) with (a) child emotional and behavioral problems assessed with the Strengths and Difficulties Questionnaire at 4 and 5 years (N = 1568, 45.3% female), (b) infant amygdalar and hippocampal volumes (subsample N = 122), and (c) its moderation by a hippocampal-specific coexpression polygenic risk score based on the serotonin transporter (SLC6A4) gene. We found that higher PRE-AS was linked to greater child emotional and behavioral problems at both time points, with partly stronger associations in boys than in girls. Higher PRE-AS was associated with larger bilateral infant amygdalar volumes in girls compared to boys, while no associations were found for hippocampal volumes. Further, hyperactivity/inattention in 4-year-old girls was related to both genotype and PRE-AS, the latter partially mediated by right amygdalar volumes as preliminary evidence suggests. Our study is the first to demonstrate a dose-dependent sexually dimorphic relationship between cumulative prenatal adversity and infant amygdalar volumes. En ligne : https://dx.doi.org/10.1017/S0954579423000275 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=538
in Development and Psychopathology > 36-3 (August 2024) . - p.1027-1042[article] Association of cumulative prenatal adversity with infant subcortical structure volumes and child problem behavior and its moderation by a coexpression polygenic risk score of the serotonin system [Texte imprimé et/ou numérique] / Henriette ACOSTA, Auteur ; Katri KANTOJARVI, Auteur ; Jetro J. TUULARI, Auteur ; John D. LEWIS, Auteur ; Niloofar HASHEMPOUR, Auteur ; Noora M. SCHEININ, Auteur ; Satu J. LEHTOLA, Auteur ; Saara NOLVI, Auteur ; Vladimir S. FONOV, Auteur ; D. Louis COLLINS, Auteur ; Alan C. EVANS, Auteur ; Riitta PARKKOLA, Auteur ; Tuire LÄHDESMÄKI, Auteur ; Jani SAUNAVAARA, Auteur ; Harri MERISAARI, Auteur ; Linnea KARLSSON, Auteur ; Tiina PAUNIO, Auteur ; Hasse KARLSSON, Auteur . - p.1027-1042.
Langues : Anglais (eng)
in Development and Psychopathology > 36-3 (August 2024) . - p.1027-1042
Mots-clés : MRI SDQ amygdala hyperactivity prenatal stress Index. décimale : PER Périodiques Résumé : Prenatal adversity has been linked to later psychopathology. Yet, research on cumulative prenatal adversity, as well as its interaction with offspring genotype, on brain and behavioral development is scarce. With this study, we aimed to address this gap. In Finnish mother-infant dyads, we investigated the association of a cumulative prenatal adversity sum score (PRE-AS) with (a) child emotional and behavioral problems assessed with the Strengths and Difficulties Questionnaire at 4 and 5 years (N = 1568, 45.3% female), (b) infant amygdalar and hippocampal volumes (subsample N = 122), and (c) its moderation by a hippocampal-specific coexpression polygenic risk score based on the serotonin transporter (SLC6A4) gene. We found that higher PRE-AS was linked to greater child emotional and behavioral problems at both time points, with partly stronger associations in boys than in girls. Higher PRE-AS was associated with larger bilateral infant amygdalar volumes in girls compared to boys, while no associations were found for hippocampal volumes. Further, hyperactivity/inattention in 4-year-old girls was related to both genotype and PRE-AS, the latter partially mediated by right amygdalar volumes as preliminary evidence suggests. Our study is the first to demonstrate a dose-dependent sexually dimorphic relationship between cumulative prenatal adversity and infant amygdalar volumes. En ligne : https://dx.doi.org/10.1017/S0954579423000275 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=538 Course of child social-emotional and sleep symptoms, parental distress and pandemic-related stressors during COVID-19 / E. Juulia PAAVONEN ; Riikka KORJA ; Juho PELTO ; Max KARUKIVI ; Jetro J. TUULARI ; Hasse KARLSSON ; Linnea KARLSSON in Development and Psychopathology, 36-2 (May 2024)
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Titre : Course of child social-emotional and sleep symptoms, parental distress and pandemic-related stressors during COVID-19 Type de document : Texte imprimé et/ou numérique Auteurs : E. Juulia PAAVONEN, Auteur ; Riikka KORJA, Auteur ; Juho PELTO, Auteur ; Max KARUKIVI, Auteur ; Jetro J. TUULARI, Auteur ; Hasse KARLSSON, Auteur ; Linnea KARLSSON, Auteur Article en page(s) : p.518-532 Langues : Anglais (eng) Mots-clés : COVID-19 children parental distress sleep social-emotional symptoms Index. décimale : PER Périodiques Résumé : Research on the longitudinal courses of child social-emotional symptoms and sleep during the COVID-19 pandemic within societies would be of key value for promoting child well-being in global crises. We characterized the course of children?s social-emotional and sleep symptoms before and throughout the pandemic in a Finnish longitudinal cohort of 1825 5- to 9-year-old children (46% girls) with four follow-up points during the pandemic from up to 695 participants (spring 2020-summer 2021). Second, we examined the role of parental distress and COVID-related stressful events in child symptoms. Child total and behavioral symptoms increased in spring 2020 but decreased thereafter and remained stable throughout the rest of the follow-up. Sleep symptoms decreased in spring 2020 and remained stable thereafter. Parental distress was linked with higher child social-emotional and sleep symptoms. The cross-sectional associations between COVID-related stressors and child symptoms were partially mediated by parental distress. The findings propose that children can be protected from the long-term adverse influences of the pandemic, and parental well-being likely plays a mediating role between pandemic-related stressors and child well-being. Further research focusing on the societal and resilience factors underlying family and child responses to the pandemic is warranted. En ligne : https://dx.doi.org/10.1017/S0954579422001377 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=528
in Development and Psychopathology > 36-2 (May 2024) . - p.518-532[article] Course of child social-emotional and sleep symptoms, parental distress and pandemic-related stressors during COVID-19 [Texte imprimé et/ou numérique] / E. Juulia PAAVONEN, Auteur ; Riikka KORJA, Auteur ; Juho PELTO, Auteur ; Max KARUKIVI, Auteur ; Jetro J. TUULARI, Auteur ; Hasse KARLSSON, Auteur ; Linnea KARLSSON, Auteur . - p.518-532.
Langues : Anglais (eng)
in Development and Psychopathology > 36-2 (May 2024) . - p.518-532
Mots-clés : COVID-19 children parental distress sleep social-emotional symptoms Index. décimale : PER Périodiques Résumé : Research on the longitudinal courses of child social-emotional symptoms and sleep during the COVID-19 pandemic within societies would be of key value for promoting child well-being in global crises. We characterized the course of children?s social-emotional and sleep symptoms before and throughout the pandemic in a Finnish longitudinal cohort of 1825 5- to 9-year-old children (46% girls) with four follow-up points during the pandemic from up to 695 participants (spring 2020-summer 2021). Second, we examined the role of parental distress and COVID-related stressful events in child symptoms. Child total and behavioral symptoms increased in spring 2020 but decreased thereafter and remained stable throughout the rest of the follow-up. Sleep symptoms decreased in spring 2020 and remained stable thereafter. Parental distress was linked with higher child social-emotional and sleep symptoms. The cross-sectional associations between COVID-related stressors and child symptoms were partially mediated by parental distress. The findings propose that children can be protected from the long-term adverse influences of the pandemic, and parental well-being likely plays a mediating role between pandemic-related stressors and child well-being. Further research focusing on the societal and resilience factors underlying family and child responses to the pandemic is warranted. En ligne : https://dx.doi.org/10.1017/S0954579422001377 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=528 Early development of negative and positive affect: Implications for ADHD symptomatology across three birth cohorts / Hanna C. GUSTAFSSON in Development and Psychopathology, 33-5 (December 2021)
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[article]
Titre : Early development of negative and positive affect: Implications for ADHD symptomatology across three birth cohorts Type de document : Texte imprimé et/ou numérique Auteurs : Hanna C. GUSTAFSSON, Auteur ; Saara NOLVI, Auteur ; Elinor L. SULLIVAN, Auteur ; Jerod M. RASMUSSEN, Auteur ; Lauren E. GYLLENHAMMER, Auteur ; Sonja ENTRINGER, Auteur ; Pathik D. WADHWA, Auteur ; Thomas G. O'CONNOR, Auteur ; Linnea KARLSSON, Auteur ; Hasse KARLSSON, Auteur ; Riikka KORJA, Auteur ; Claudia BUSS, Auteur ; Alice M. GRAHAM, Auteur ; Joel T. NIGG, Auteur Article en page(s) : p.1837-1848 Langues : Anglais (eng) Mots-clés : ADHD symptomatology infant temperament negative affect positive affect trajectory analysis Index. décimale : PER Périodiques Résumé : High levels of early emotionality (of either negative or positive valence) are hypothesized to be important precursors to early psychopathology, with attention-deficit/hyperactivity disorder (ADHD) a prime early target. The positive and negative affect domains are prime examples of Research Domain Criteria (RDoC) concepts that may enrich a multilevel mechanistic map of psychopathology risk. Utilizing both variable-centered and person-centered approaches, the current study examined whether levels and trajectories of infant negative and positive emotionality, considered either in isolation or together, predicted children's ADHD symptoms at 4 to 8 years of age. In variable-centered analyses, higher levels of infant negative affect (at as early as 3 months of age) were associated with childhood ADHD symptoms. Findings for positive affect failed to reach statistical threshold. Results from person-centered trajectory analyses suggest that additional information is gained by simultaneously considering the trajectories of positive and negative emotionality. Specifically, only when exhibiting moderate, stable or low levels of positive affect did negative affect and its trajectory relate to child ADHD symptoms. These findings add to a growing literature that suggests that infant negative emotionality is a promising early life marker of future ADHD risk and suggest secondarily that moderation by positive affectivity warrants more consideration. En ligne : http://dx.doi.org/10.1017/S0954579421001012 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=458
in Development and Psychopathology > 33-5 (December 2021) . - p.1837-1848[article] Early development of negative and positive affect: Implications for ADHD symptomatology across three birth cohorts [Texte imprimé et/ou numérique] / Hanna C. GUSTAFSSON, Auteur ; Saara NOLVI, Auteur ; Elinor L. SULLIVAN, Auteur ; Jerod M. RASMUSSEN, Auteur ; Lauren E. GYLLENHAMMER, Auteur ; Sonja ENTRINGER, Auteur ; Pathik D. WADHWA, Auteur ; Thomas G. O'CONNOR, Auteur ; Linnea KARLSSON, Auteur ; Hasse KARLSSON, Auteur ; Riikka KORJA, Auteur ; Claudia BUSS, Auteur ; Alice M. GRAHAM, Auteur ; Joel T. NIGG, Auteur . - p.1837-1848.
Langues : Anglais (eng)
in Development and Psychopathology > 33-5 (December 2021) . - p.1837-1848
Mots-clés : ADHD symptomatology infant temperament negative affect positive affect trajectory analysis Index. décimale : PER Périodiques Résumé : High levels of early emotionality (of either negative or positive valence) are hypothesized to be important precursors to early psychopathology, with attention-deficit/hyperactivity disorder (ADHD) a prime early target. The positive and negative affect domains are prime examples of Research Domain Criteria (RDoC) concepts that may enrich a multilevel mechanistic map of psychopathology risk. Utilizing both variable-centered and person-centered approaches, the current study examined whether levels and trajectories of infant negative and positive emotionality, considered either in isolation or together, predicted children's ADHD symptoms at 4 to 8 years of age. In variable-centered analyses, higher levels of infant negative affect (at as early as 3 months of age) were associated with childhood ADHD symptoms. Findings for positive affect failed to reach statistical threshold. Results from person-centered trajectory analyses suggest that additional information is gained by simultaneously considering the trajectories of positive and negative emotionality. Specifically, only when exhibiting moderate, stable or low levels of positive affect did negative affect and its trajectory relate to child ADHD symptoms. These findings add to a growing literature that suggests that infant negative emotionality is a promising early life marker of future ADHD risk and suggest secondarily that moderation by positive affectivity warrants more consideration. En ligne : http://dx.doi.org/10.1017/S0954579421001012 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=458 Early development of negative and positive affect: Implications for ADHD symptomatology across three birth cohorts – CORRIGENDUM / Hanna C. GUSTAFSSON in Development and Psychopathology, 33-5 (December 2021)
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Titre : Early development of negative and positive affect: Implications for ADHD symptomatology across three birth cohorts – CORRIGENDUM Type de document : Texte imprimé et/ou numérique Auteurs : Hanna C. GUSTAFSSON, Auteur ; Saara NOLVI, Auteur ; Elinor L. SULLIVAN, Auteur ; Jerod M. RASMUSSEN, Auteur ; Lauren E. GYLLENHAMMER, Auteur ; Sonja ENTRINGER, Auteur ; Pathik D. WADHWA, Auteur ; Thomas G. O'CONNOR, Auteur ; Linnea KARLSSON, Auteur ; Hasse KARLSSON, Auteur ; Riikka KORJA, Auteur ; Claudia BUSS, Auteur ; Alice M. GRAHAM, Auteur ; Joel T. NIGG, Auteur Article en page(s) : p.1882-1882 Langues : Anglais (eng) Mots-clés : ADHD symptomatology infant temperament negative affect positive affect trajectory analysis Index. décimale : PER Périodiques En ligne : http://dx.doi.org/10.1017/S0954579421001425 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=458
in Development and Psychopathology > 33-5 (December 2021) . - p.1882-1882[article] Early development of negative and positive affect: Implications for ADHD symptomatology across three birth cohorts – CORRIGENDUM [Texte imprimé et/ou numérique] / Hanna C. GUSTAFSSON, Auteur ; Saara NOLVI, Auteur ; Elinor L. SULLIVAN, Auteur ; Jerod M. RASMUSSEN, Auteur ; Lauren E. GYLLENHAMMER, Auteur ; Sonja ENTRINGER, Auteur ; Pathik D. WADHWA, Auteur ; Thomas G. O'CONNOR, Auteur ; Linnea KARLSSON, Auteur ; Hasse KARLSSON, Auteur ; Riikka KORJA, Auteur ; Claudia BUSS, Auteur ; Alice M. GRAHAM, Auteur ; Joel T. NIGG, Auteur . - p.1882-1882.
Langues : Anglais (eng)
in Development and Psychopathology > 33-5 (December 2021) . - p.1882-1882
Mots-clés : ADHD symptomatology infant temperament negative affect positive affect trajectory analysis Index. décimale : PER Périodiques En ligne : http://dx.doi.org/10.1017/S0954579421001425 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=458 Early-life adversities and adult attachment in depression and alexithymia / Jani KAJANOJA in Development and Psychopathology, 33-4 (October 2021)
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[article]
Titre : Early-life adversities and adult attachment in depression and alexithymia Type de document : Texte imprimé et/ou numérique Auteurs : Jani KAJANOJA, Auteur ; Max KARUKIVI, Auteur ; Noora M. SCHEININ, Auteur ; Hanna AHRNBERG, Auteur ; Linnea KARLSSON, Auteur ; Hasse KARLSSON, Auteur Article en page(s) : p.1428-1436 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Alexithymia is a personality construct characterized by difficulties in identifying and verbalizing feelings, a restricted imagination, and an externally oriented thinking style. As alexithymia shows marked overlap with depression, its independent nature as a personality construct is still being debated. The etiology of alexithymia is unknown, although childhood emotional neglect and attachment formation are thought to play important roles. In the FinnBrain Birth Cohort Study, experiences of early-life adversities (EA) and childhood maltreatment (CM) were studied in a sample of 2,604 men and women. The overlap and differences between depression and alexithymia were investigated by comparing their associations with EA types and adult attachment style. Alexithymia was specifically associated with childhood emotional neglect (odds ratio (OR) 3.8, p < .001), whereas depression was related to several types of EA. In depression co-occurring with alexithymia, there was a higher prevalence of emotional neglect (81.3% vs. 54.4%, p < .001), attachment anxiety (t = 2.38, p = .018), and attachment avoidance (t = 4.03, p < .001). Early-life adversities were markedly different in the alexithymia group compared to those suffering from depression, or healthy controls. Depression with concurrent alexithymia may represent a distinct subtype, specifically associated with childhood experiences of emotional neglect, and increased attachment insecurity compared to non-alexithymic depression. En ligne : http://dx.doi.org/10.1017/S0954579420000607 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=457
in Development and Psychopathology > 33-4 (October 2021) . - p.1428-1436[article] Early-life adversities and adult attachment in depression and alexithymia [Texte imprimé et/ou numérique] / Jani KAJANOJA, Auteur ; Max KARUKIVI, Auteur ; Noora M. SCHEININ, Auteur ; Hanna AHRNBERG, Auteur ; Linnea KARLSSON, Auteur ; Hasse KARLSSON, Auteur . - p.1428-1436.
Langues : Anglais (eng)
in Development and Psychopathology > 33-4 (October 2021) . - p.1428-1436
Index. décimale : PER Périodiques Résumé : Alexithymia is a personality construct characterized by difficulties in identifying and verbalizing feelings, a restricted imagination, and an externally oriented thinking style. As alexithymia shows marked overlap with depression, its independent nature as a personality construct is still being debated. The etiology of alexithymia is unknown, although childhood emotional neglect and attachment formation are thought to play important roles. In the FinnBrain Birth Cohort Study, experiences of early-life adversities (EA) and childhood maltreatment (CM) were studied in a sample of 2,604 men and women. The overlap and differences between depression and alexithymia were investigated by comparing their associations with EA types and adult attachment style. Alexithymia was specifically associated with childhood emotional neglect (odds ratio (OR) 3.8, p < .001), whereas depression was related to several types of EA. In depression co-occurring with alexithymia, there was a higher prevalence of emotional neglect (81.3% vs. 54.4%, p < .001), attachment anxiety (t = 2.38, p = .018), and attachment avoidance (t = 4.03, p < .001). Early-life adversities were markedly different in the alexithymia group compared to those suffering from depression, or healthy controls. Depression with concurrent alexithymia may represent a distinct subtype, specifically associated with childhood experiences of emotional neglect, and increased attachment insecurity compared to non-alexithymic depression. En ligne : http://dx.doi.org/10.1017/S0954579420000607 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=457 Infant gut microbiota and negative and fear reactivity / Venla HUOVINEN in Development and Psychopathology, 36-4 (October 2024)
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