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Auteur Tobias BANASCHEWSKI |
Documents disponibles écrits par cet auteur (46)
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Methylation of OPRL1 mediates the effect of psychosocial stress on binge drinking in adolescents / B. RUGGERI in Journal of Child Psychology and Psychiatry, 59-6 (June 2018)
[article]
Titre : Methylation of OPRL1 mediates the effect of psychosocial stress on binge drinking in adolescents Type de document : Texte imprimé et/ou numérique Auteurs : B. RUGGERI, Auteur ; C. MACARE, Auteur ; S. STOPPONI, Auteur ; T. JIA, Auteur ; F. M. CARVALHO, Auteur ; G. ROBERT, Auteur ; Tobias BANASCHEWSKI, Auteur ; Arun L. W. BOKDE, Auteur ; Uli BROMBERG, Auteur ; C. BUCHEL, Auteur ; A. CATTRELL, Auteur ; P. J. CONROD, Auteur ; S. DESRIVIERES, Auteur ; H. FLOR, Auteur ; V. FROUIN, Auteur ; J. GALLINAT, Auteur ; H. GARAVAN, Auteur ; P. GOWLAND, Auteur ; A. HEINZ, Auteur ; B. ITTERMANN, Auteur ; J. L. MARTINOT, Auteur ; M. P. MARTINOT, Auteur ; F. NEES, Auteur ; D. PAPADOPOULOS-ORFANOS, Auteur ; T. PAUS, Auteur ; L. POUSTKA, Auteur ; M. N. SMOLKA, Auteur ; N. C. VETTER, Auteur ; H. WALTER, Auteur ; R. WHELAN, Auteur ; W. H. SOMMER, Auteur ; G. BAKALKIN, Auteur ; R. CICCOCIOPPO, Auteur ; G. SCHUMANN, Auteur Article en page(s) : p.650-658 Langues : Anglais (eng) Mots-clés : OPRL1 methylation adolescence binge drinking nucleus accumbens stressful life events Index. décimale : PER Périodiques Résumé : BACKGROUND: Nociceptin is a key regulator linking environmental stress and alcohol drinking. In a genome-wide methylation analysis, we recently identified an association of a methylated region in the OPRL1 gene with alcohol-use disorders. METHODS: Here, we investigate the biological basis of this observation by analysing psychosocial stressors, methylation of the OPRL1 gene, brain response during reward anticipation and alcohol drinking in 660 fourteen-year-old adolescents of the IMAGEN study. We validate our findings in marchigian sardinian (msP) alcohol-preferring rats that are genetically selected for increased alcohol drinking and stress sensitivity. RESULTS: We found that low methylation levels in intron 1 of OPRL1 are associated with higher psychosocial stress and higher frequency of binge drinking, an effect mediated by OPRL1 methylation. In individuals with low methylation of OPRL1, frequency of binge drinking is associated with stronger BOLD response in the ventral striatum during reward anticipation. In msP rats, we found that stress results in increased alcohol intake and decreased methylation of OPRL1 in the nucleus accumbens. CONCLUSIONS: Our findings describe an epigenetic mechanism that helps to explain how psychosocial stress influences risky alcohol consumption and reward processing, thus contributing to the elucidation of biological mechanisms underlying risk for substance abuse. En ligne : http://dx.doi.org/10.1111/jcpp.12843 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=363
in Journal of Child Psychology and Psychiatry > 59-6 (June 2018) . - p.650-658[article] Methylation of OPRL1 mediates the effect of psychosocial stress on binge drinking in adolescents [Texte imprimé et/ou numérique] / B. RUGGERI, Auteur ; C. MACARE, Auteur ; S. STOPPONI, Auteur ; T. JIA, Auteur ; F. M. CARVALHO, Auteur ; G. ROBERT, Auteur ; Tobias BANASCHEWSKI, Auteur ; Arun L. W. BOKDE, Auteur ; Uli BROMBERG, Auteur ; C. BUCHEL, Auteur ; A. CATTRELL, Auteur ; P. J. CONROD, Auteur ; S. DESRIVIERES, Auteur ; H. FLOR, Auteur ; V. FROUIN, Auteur ; J. GALLINAT, Auteur ; H. GARAVAN, Auteur ; P. GOWLAND, Auteur ; A. HEINZ, Auteur ; B. ITTERMANN, Auteur ; J. L. MARTINOT, Auteur ; M. P. MARTINOT, Auteur ; F. NEES, Auteur ; D. PAPADOPOULOS-ORFANOS, Auteur ; T. PAUS, Auteur ; L. POUSTKA, Auteur ; M. N. SMOLKA, Auteur ; N. C. VETTER, Auteur ; H. WALTER, Auteur ; R. WHELAN, Auteur ; W. H. SOMMER, Auteur ; G. BAKALKIN, Auteur ; R. CICCOCIOPPO, Auteur ; G. SCHUMANN, Auteur . - p.650-658.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 59-6 (June 2018) . - p.650-658
Mots-clés : OPRL1 methylation adolescence binge drinking nucleus accumbens stressful life events Index. décimale : PER Périodiques Résumé : BACKGROUND: Nociceptin is a key regulator linking environmental stress and alcohol drinking. In a genome-wide methylation analysis, we recently identified an association of a methylated region in the OPRL1 gene with alcohol-use disorders. METHODS: Here, we investigate the biological basis of this observation by analysing psychosocial stressors, methylation of the OPRL1 gene, brain response during reward anticipation and alcohol drinking in 660 fourteen-year-old adolescents of the IMAGEN study. We validate our findings in marchigian sardinian (msP) alcohol-preferring rats that are genetically selected for increased alcohol drinking and stress sensitivity. RESULTS: We found that low methylation levels in intron 1 of OPRL1 are associated with higher psychosocial stress and higher frequency of binge drinking, an effect mediated by OPRL1 methylation. In individuals with low methylation of OPRL1, frequency of binge drinking is associated with stronger BOLD response in the ventral striatum during reward anticipation. In msP rats, we found that stress results in increased alcohol intake and decreased methylation of OPRL1 in the nucleus accumbens. CONCLUSIONS: Our findings describe an epigenetic mechanism that helps to explain how psychosocial stress influences risky alcohol consumption and reward processing, thus contributing to the elucidation of biological mechanisms underlying risk for substance abuse. En ligne : http://dx.doi.org/10.1111/jcpp.12843 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=363 Mothers' prenatal stress and their children's antisocial outcomes – a moderating role for the Dopamine D4 Receptor (DRD4) gene / Katrin ZOHSEL in Journal of Child Psychology and Psychiatry, 55-1 (January 2014)
[article]
Titre : Mothers' prenatal stress and their children's antisocial outcomes – a moderating role for the Dopamine D4 Receptor (DRD4) gene Type de document : Texte imprimé et/ou numérique Auteurs : Katrin ZOHSEL, Auteur ; Arlette F. BUCHMANN, Auteur ; Dorothea BLOMEYER, Auteur ; Erika HOHM, Auteur ; Martin H. SCHMIDT, Auteur ; Günter ESSER, Auteur ; Daniel BRANDEIS, Auteur ; Tobias BANASCHEWSKI, Auteur ; Manfred LAUCHT, Auteur Article en page(s) : p.69-76 Langues : Anglais (eng) Mots-clés : Prenatal stress antisocial conduct disorder DRD4 gene–environment interaction Index. décimale : PER Périodiques Résumé : Background Maternal distress during pregnancy has been linked to aggressive behavior in offspring. This effect has been interpreted in terms of ‘fetal programming’. The 7-repeat (7r) allele of a VNTR polymorphism in exon III of the human dopamine receptor D4 (DRD4) has consistently been associated with externalizing behavior problems, especially in the presence of adverse environmental factors. So far, it is not known whether the DRD4 genotype moderates the effect of prenatal maternal stress on the development of childhood antisocial behavior. Methods As part of an ongoing epidemiological cohort study, prenatal maternal stress was assessed using self-report 3 months following child birth. When children were 8, 11, and 15 years old, mothers rated their children's externalizing behavior, and diagnoses of conduct disorder and/or oppositional defiant disorder (CD/ODD) according to DSM-IV were obtained. In a sample of N = 308 participants, the effects of the DRD4 genotype, prenatal maternal stress, and the interaction thereof on antisocial outcome were tested. Results Under conditions of elevated prenatal maternal stress, children carrying one or two DRD4 7r alleles were at increased risk of a diagnosis of CD/ODD. Moreover, homozygous carriers of the DRD4 7r allele displayed more externalizing behavior following exposure to higher levels of prenatal maternal stress, while homozygous carriers of the DRD4 4r allele turned out to be insensitive to the effects of prenatal stress. Conclusions This study is the first to report a gene–environment interaction related to DRD4 and prenatal maternal stress using data from a prospective study, which extends earlier findings on the impact of prenatal maternal stress with respect to childhood antisocial behavior. En ligne : http://dx.doi.org/10.1111/jcpp.12138 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=220
in Journal of Child Psychology and Psychiatry > 55-1 (January 2014) . - p.69-76[article] Mothers' prenatal stress and their children's antisocial outcomes – a moderating role for the Dopamine D4 Receptor (DRD4) gene [Texte imprimé et/ou numérique] / Katrin ZOHSEL, Auteur ; Arlette F. BUCHMANN, Auteur ; Dorothea BLOMEYER, Auteur ; Erika HOHM, Auteur ; Martin H. SCHMIDT, Auteur ; Günter ESSER, Auteur ; Daniel BRANDEIS, Auteur ; Tobias BANASCHEWSKI, Auteur ; Manfred LAUCHT, Auteur . - p.69-76.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 55-1 (January 2014) . - p.69-76
Mots-clés : Prenatal stress antisocial conduct disorder DRD4 gene–environment interaction Index. décimale : PER Périodiques Résumé : Background Maternal distress during pregnancy has been linked to aggressive behavior in offspring. This effect has been interpreted in terms of ‘fetal programming’. The 7-repeat (7r) allele of a VNTR polymorphism in exon III of the human dopamine receptor D4 (DRD4) has consistently been associated with externalizing behavior problems, especially in the presence of adverse environmental factors. So far, it is not known whether the DRD4 genotype moderates the effect of prenatal maternal stress on the development of childhood antisocial behavior. Methods As part of an ongoing epidemiological cohort study, prenatal maternal stress was assessed using self-report 3 months following child birth. When children were 8, 11, and 15 years old, mothers rated their children's externalizing behavior, and diagnoses of conduct disorder and/or oppositional defiant disorder (CD/ODD) according to DSM-IV were obtained. In a sample of N = 308 participants, the effects of the DRD4 genotype, prenatal maternal stress, and the interaction thereof on antisocial outcome were tested. Results Under conditions of elevated prenatal maternal stress, children carrying one or two DRD4 7r alleles were at increased risk of a diagnosis of CD/ODD. Moreover, homozygous carriers of the DRD4 7r allele displayed more externalizing behavior following exposure to higher levels of prenatal maternal stress, while homozygous carriers of the DRD4 4r allele turned out to be insensitive to the effects of prenatal stress. Conclusions This study is the first to report a gene–environment interaction related to DRD4 and prenatal maternal stress using data from a prospective study, which extends earlier findings on the impact of prenatal maternal stress with respect to childhood antisocial behavior. En ligne : http://dx.doi.org/10.1111/jcpp.12138 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=220 Neuropsychological correlates of emotional lability in children with ADHD / Tobias BANASCHEWSKI in Journal of Child Psychology and Psychiatry, 53-11 (November 2012)
[article]
Titre : Neuropsychological correlates of emotional lability in children with ADHD Type de document : Texte imprimé et/ou numérique Auteurs : Tobias BANASCHEWSKI, Auteur ; Christine JENNEN-STEINMETZ, Auteur ; Daniel BRANDEIS, Auteur ; Jan K. BUITELAAR, Auteur ; Jonna KUNTSI, Auteur ; Luise POUSTKA, Auteur ; Joseph A. SERGEANT, Auteur ; Edmund J. S. SONUGA-BARKE, Auteur ; Alexis C. FRAZIER-WOOD, Auteur ; Björn ALBRECHT, Auteur ; Wai CHEN, Auteur ; Henrik UEBEL, Auteur ; Wolff SCHLOTZ, Auteur ; Jaap VAN DER MEERE, Auteur ; Michael GILL, Auteur ; Iris MANOR, Auteur ; Ana MIRANDA, Auteur ; Fernando MULAS, Auteur ; Robert D. OADES, Auteur ; Herbert ROEYERS, Auteur ; Aribert ROTHENBERGER, Auteur ; Hans-Christoph STEINHAUSEN, Auteur ; Stephen V. FARAONE, Auteur ; Philip ASHERSON, Auteur Année de publication : 2012 Article en page(s) : p.1139-1148 Langues : Anglais (eng) Mots-clés : ADHD neuropsychological performance emotional lability executive functions delay aversion Index. décimale : PER Périodiques Résumé : Background: Emotional lability (EL) is commonly seen in patients with attention-deficit/hyperactivity disorder (ADHD). The reasons for this association remain currently unknown. To address this question, we examined the relationship between ADHD and EL symptoms, and performance on a range of neuropsychological tasks to clarify whether EL symptoms are predicted by particular cognitive and/or motivational dysfunctions and whether these associations are mediated by the presence of ADHD symptoms. Methods: A large multi-site sample of 424 carefully diagnosed ADHD cases and 564 unaffected siblings and controls aged 6–18 years performed a broad neuropsychological test battery, including a Go/No-Go Task, a warned four-choice Reaction Time task, the Maudsley Index of Childhood Delay Aversion and Digit span backwards. Neuropsychological variables were aggregated as indices of processing speed, response variability, executive functions, choice impulsivity and the influence of energetic and/or motivational factors. EL and ADHD symptoms were regressed on each neuropsychological variable in separate analyses controlling for age, gender and IQ, and, in subsequent regression analyses, for ADHD and EL symptoms respectively. Results: Neuropsychological variables significantly predicted ADHD and EL symptoms with moderate-to-low regression coefficients. However, the association between neuropsychological parameters on EL disappeared entirely when the effect of ADHD symptoms was taken into account, revealing that the association between the neuropsychological performance measures and EL is completely mediated statistically by variations in ADHD symptoms. Conversely, neuropsychological effects on ADHD symptoms remained after EL symptom severity was taken into account. Conclusions: The neuropsychological parameters examined, herein, predict ADHD more strongly than EL. They cannot explain EL symptoms beyond what is already accounted for by ADHD symptom severity. The association between EL and ADHD cannot be explained by these cognitive or motivational deficits. Alternative mechanisms, including overlapping genetic influences (pleiotropic effects) and/or alternative neuropsychological processes need to be considered. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2012.02596.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=182
in Journal of Child Psychology and Psychiatry > 53-11 (November 2012) . - p.1139-1148[article] Neuropsychological correlates of emotional lability in children with ADHD [Texte imprimé et/ou numérique] / Tobias BANASCHEWSKI, Auteur ; Christine JENNEN-STEINMETZ, Auteur ; Daniel BRANDEIS, Auteur ; Jan K. BUITELAAR, Auteur ; Jonna KUNTSI, Auteur ; Luise POUSTKA, Auteur ; Joseph A. SERGEANT, Auteur ; Edmund J. S. SONUGA-BARKE, Auteur ; Alexis C. FRAZIER-WOOD, Auteur ; Björn ALBRECHT, Auteur ; Wai CHEN, Auteur ; Henrik UEBEL, Auteur ; Wolff SCHLOTZ, Auteur ; Jaap VAN DER MEERE, Auteur ; Michael GILL, Auteur ; Iris MANOR, Auteur ; Ana MIRANDA, Auteur ; Fernando MULAS, Auteur ; Robert D. OADES, Auteur ; Herbert ROEYERS, Auteur ; Aribert ROTHENBERGER, Auteur ; Hans-Christoph STEINHAUSEN, Auteur ; Stephen V. FARAONE, Auteur ; Philip ASHERSON, Auteur . - 2012 . - p.1139-1148.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 53-11 (November 2012) . - p.1139-1148
Mots-clés : ADHD neuropsychological performance emotional lability executive functions delay aversion Index. décimale : PER Périodiques Résumé : Background: Emotional lability (EL) is commonly seen in patients with attention-deficit/hyperactivity disorder (ADHD). The reasons for this association remain currently unknown. To address this question, we examined the relationship between ADHD and EL symptoms, and performance on a range of neuropsychological tasks to clarify whether EL symptoms are predicted by particular cognitive and/or motivational dysfunctions and whether these associations are mediated by the presence of ADHD symptoms. Methods: A large multi-site sample of 424 carefully diagnosed ADHD cases and 564 unaffected siblings and controls aged 6–18 years performed a broad neuropsychological test battery, including a Go/No-Go Task, a warned four-choice Reaction Time task, the Maudsley Index of Childhood Delay Aversion and Digit span backwards. Neuropsychological variables were aggregated as indices of processing speed, response variability, executive functions, choice impulsivity and the influence of energetic and/or motivational factors. EL and ADHD symptoms were regressed on each neuropsychological variable in separate analyses controlling for age, gender and IQ, and, in subsequent regression analyses, for ADHD and EL symptoms respectively. Results: Neuropsychological variables significantly predicted ADHD and EL symptoms with moderate-to-low regression coefficients. However, the association between neuropsychological parameters on EL disappeared entirely when the effect of ADHD symptoms was taken into account, revealing that the association between the neuropsychological performance measures and EL is completely mediated statistically by variations in ADHD symptoms. Conversely, neuropsychological effects on ADHD symptoms remained after EL symptom severity was taken into account. Conclusions: The neuropsychological parameters examined, herein, predict ADHD more strongly than EL. They cannot explain EL symptoms beyond what is already accounted for by ADHD symptom severity. The association between EL and ADHD cannot be explained by these cognitive or motivational deficits. Alternative mechanisms, including overlapping genetic influences (pleiotropic effects) and/or alternative neuropsychological processes need to be considered. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2012.02596.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=182 Patterns of connectome variability in autism across five functional activation tasks: findings from the LEAP project / Tristan LOODEN in Molecular Autism, 13 (2022)
[article]
Titre : Patterns of connectome variability in autism across five functional activation tasks: findings from the LEAP project Type de document : Texte imprimé et/ou numérique Auteurs : Tristan LOODEN, Auteur ; Dorothea L. FLORIS, Auteur ; Alberto LLERA, Auteur ; Roselyne J. CHAUVIN, Auteur ; Tony CHARMAN, Auteur ; Tobias BANASCHEWSKI, Auteur ; Declan MURPHY, Auteur ; Andre F. MARQUAND, Auteur ; Jan K. BUITELAAR, Auteur ; Christian F. BECKMANN, Auteur ; AIMS-2-TRIALS GROUP, Auteur Article en page(s) : 53 p. Langues : Anglais (eng) Mots-clés : Autism Canonical correlation analysis Functional connectivity Heterogeneity Normative modeling fMRI Index. décimale : PER Périodiques Résumé : BACKGROUND: Autism spectrum disorder (autism) is a complex neurodevelopmental condition with pronounced behavioral, cognitive, and neural heterogeneities across individuals. Here, our goal was to characterize heterogeneity in autism by identifying patterns of neural diversity as reflected in BOLD fMRI in the way individuals with autism engage with a varied array of cognitive tasks. METHODS: All analyses were based on the EU-AIMS/AIMS-2-TRIALS multisite Longitudinal European Autism Project (LEAP) with participants with autism (n=282) and typically developing (TD) controls (n=221) between 6 and 30Â years of age. We employed a novel task potency approach which combines the unique aspects of both resting state fMRI and task-fMRI to quantify task-induced variations in the functional connectome. Normative modelling was used to map atypicality of features on an individual basis with respect to their distribution in neurotypical control participants. We applied robust out-of-sample canonical correlation analysis (CCA) to relate connectome data to behavioral data. RESULTS: Deviation from the normative ranges of global functional connectivity was greater for individuals with autism compared to TD in each fMRI task paradigm (all tasks p< 0.001). The similarity across individuals of the deviation pattern was significantly increased in autistic relative to TD individuals (p< 0.002). The CCA identified significant and robust brain-behavior covariation between functional connectivity atypicality and autism-related behavioral features. CONCLUSIONS: Individuals with autism engage with tasks in a globally atypical way, but the particular spatial pattern of this atypicality is nevertheless similar across tasks. Atypicalities in the tasks originate mostly from prefrontal cortex and default mode network regions, but also speech and auditory networks. We show how sophisticated modeling methods such as task potency and normative modeling can be used toward unravelling complex heterogeneous conditions like autism. En ligne : http://dx.doi.org/10.1186/s13229-022-00529-y Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=491
in Molecular Autism > 13 (2022) . - 53 p.[article] Patterns of connectome variability in autism across five functional activation tasks: findings from the LEAP project [Texte imprimé et/ou numérique] / Tristan LOODEN, Auteur ; Dorothea L. FLORIS, Auteur ; Alberto LLERA, Auteur ; Roselyne J. CHAUVIN, Auteur ; Tony CHARMAN, Auteur ; Tobias BANASCHEWSKI, Auteur ; Declan MURPHY, Auteur ; Andre F. MARQUAND, Auteur ; Jan K. BUITELAAR, Auteur ; Christian F. BECKMANN, Auteur ; AIMS-2-TRIALS GROUP, Auteur . - 53 p.
Langues : Anglais (eng)
in Molecular Autism > 13 (2022) . - 53 p.
Mots-clés : Autism Canonical correlation analysis Functional connectivity Heterogeneity Normative modeling fMRI Index. décimale : PER Périodiques Résumé : BACKGROUND: Autism spectrum disorder (autism) is a complex neurodevelopmental condition with pronounced behavioral, cognitive, and neural heterogeneities across individuals. Here, our goal was to characterize heterogeneity in autism by identifying patterns of neural diversity as reflected in BOLD fMRI in the way individuals with autism engage with a varied array of cognitive tasks. METHODS: All analyses were based on the EU-AIMS/AIMS-2-TRIALS multisite Longitudinal European Autism Project (LEAP) with participants with autism (n=282) and typically developing (TD) controls (n=221) between 6 and 30Â years of age. We employed a novel task potency approach which combines the unique aspects of both resting state fMRI and task-fMRI to quantify task-induced variations in the functional connectome. Normative modelling was used to map atypicality of features on an individual basis with respect to their distribution in neurotypical control participants. We applied robust out-of-sample canonical correlation analysis (CCA) to relate connectome data to behavioral data. RESULTS: Deviation from the normative ranges of global functional connectivity was greater for individuals with autism compared to TD in each fMRI task paradigm (all tasks p< 0.001). The similarity across individuals of the deviation pattern was significantly increased in autistic relative to TD individuals (p< 0.002). The CCA identified significant and robust brain-behavior covariation between functional connectivity atypicality and autism-related behavioral features. CONCLUSIONS: Individuals with autism engage with tasks in a globally atypical way, but the particular spatial pattern of this atypicality is nevertheless similar across tasks. Atypicalities in the tasks originate mostly from prefrontal cortex and default mode network regions, but also speech and auditory networks. We show how sophisticated modeling methods such as task potency and normative modeling can be used toward unravelling complex heterogeneous conditions like autism. En ligne : http://dx.doi.org/10.1186/s13229-022-00529-y Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=491 Performance variability, impulsivity errors and the impact of incentives as gender-independent endophenotypes for ADHD / Henrik UEBEL in Journal of Child Psychology and Psychiatry, 51-2 (February 2010)
[article]
Titre : Performance variability, impulsivity errors and the impact of incentives as gender-independent endophenotypes for ADHD Type de document : Texte imprimé et/ou numérique Auteurs : Henrik UEBEL, Auteur ; Aribert ROTHENBERGER, Auteur ; Hanna CHRISTIANSEN, Auteur ; Rafaela MARCO, Auteur ; Iris MANOR, Auteur ; Ana MIRANDA, Auteur ; Norbert A. BORGER, Auteur ; Alexander HEISE, Auteur ; Ulrike SCHAFER, Auteur ; Robert D. OADES, Auteur ; Louise BUTLER, Auteur ; Aisling MULLIGAN, Auteur ; Wai CHEN, Auteur ; Jonna KUNTSI, Auteur ; Philip ASHERSON, Auteur ; Stephen V. FARAONE, Auteur ; Björn ALBRECHT, Auteur ; Tobias BANASCHEWSKI, Auteur ; Jaap VAN DER MEERE, Auteur ; Penelope ANDREOU, Auteur Année de publication : 2010 Article en page(s) : p.210-218 Langues : Anglais (eng) Mots-clés : Attention-deficit-hyperactivity-disorder ADHD endophenotype executive-function reaction-time-variability false-alarms state-regulation incentives Index. décimale : PER Périodiques Résumé : Background: Attention-deficit hyperactivity disorder (ADHD) is one of the most common and highly heritable child psychiatric disorders. There is strong evidence that children with ADHD show slower and more variable responses in tasks such as Go/Nogo tapping aspects of executive functions like sustained attention and response control which may be modulated by motivational factors and/or state-regulation processes. The aim of this study was (1) to determine if these executive functions may constitute an endophenotype for ADHD; (2) to investigate for the first time whether known modulators of these executive functions may also be familial; and (3) to explore whether gender has an impact on these measures.
Methods: Two hundred and five children with ADHD combined type, 173 nonaffected biological siblings and 53 controls with no known family history of ADHD were examined using a Go/Nogo task in the framework of a multi-centre study. Performance-measures and modulating effects of event-rate and incentives were examined. Shared familial effects on these measures were assessed, and the influence of gender was tested.
Results: Children with ADHD responded more slowly and variably than nonaffected siblings or controls. Nonaffected siblings showed intermediate scores for reaction-time variability, false alarms and omission errors under fast and slow event-rates. A slower event-rate did not lead to reduced performance specific to ADHD. In the incentive condition, mean reaction-times speeded up and became less variable only in children with ADHD and their nonaffected siblings, while accuracy was improved in all groups. Males responded faster, but also committed more false alarms. There were no interactions of group by gender.
Conclusions: Reaction-time variability and accuracy parameters could be useful neuropsychological endophenotypes for ADHD. Performance-modulating effects of incentives suggested a familially driven motivational dysfunction which may play an important role on etiologic pathways and treatment approaches for ADHD. The effects of gender were independent of familial effects or ADHD-status, which in turn suggests that the proposed endophenotypes are independent of gender.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02139.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=941
in Journal of Child Psychology and Psychiatry > 51-2 (February 2010) . - p.210-218[article] Performance variability, impulsivity errors and the impact of incentives as gender-independent endophenotypes for ADHD [Texte imprimé et/ou numérique] / Henrik UEBEL, Auteur ; Aribert ROTHENBERGER, Auteur ; Hanna CHRISTIANSEN, Auteur ; Rafaela MARCO, Auteur ; Iris MANOR, Auteur ; Ana MIRANDA, Auteur ; Norbert A. BORGER, Auteur ; Alexander HEISE, Auteur ; Ulrike SCHAFER, Auteur ; Robert D. OADES, Auteur ; Louise BUTLER, Auteur ; Aisling MULLIGAN, Auteur ; Wai CHEN, Auteur ; Jonna KUNTSI, Auteur ; Philip ASHERSON, Auteur ; Stephen V. FARAONE, Auteur ; Björn ALBRECHT, Auteur ; Tobias BANASCHEWSKI, Auteur ; Jaap VAN DER MEERE, Auteur ; Penelope ANDREOU, Auteur . - 2010 . - p.210-218.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 51-2 (February 2010) . - p.210-218
Mots-clés : Attention-deficit-hyperactivity-disorder ADHD endophenotype executive-function reaction-time-variability false-alarms state-regulation incentives Index. décimale : PER Périodiques Résumé : Background: Attention-deficit hyperactivity disorder (ADHD) is one of the most common and highly heritable child psychiatric disorders. There is strong evidence that children with ADHD show slower and more variable responses in tasks such as Go/Nogo tapping aspects of executive functions like sustained attention and response control which may be modulated by motivational factors and/or state-regulation processes. The aim of this study was (1) to determine if these executive functions may constitute an endophenotype for ADHD; (2) to investigate for the first time whether known modulators of these executive functions may also be familial; and (3) to explore whether gender has an impact on these measures.
Methods: Two hundred and five children with ADHD combined type, 173 nonaffected biological siblings and 53 controls with no known family history of ADHD were examined using a Go/Nogo task in the framework of a multi-centre study. Performance-measures and modulating effects of event-rate and incentives were examined. Shared familial effects on these measures were assessed, and the influence of gender was tested.
Results: Children with ADHD responded more slowly and variably than nonaffected siblings or controls. Nonaffected siblings showed intermediate scores for reaction-time variability, false alarms and omission errors under fast and slow event-rates. A slower event-rate did not lead to reduced performance specific to ADHD. In the incentive condition, mean reaction-times speeded up and became less variable only in children with ADHD and their nonaffected siblings, while accuracy was improved in all groups. Males responded faster, but also committed more false alarms. There were no interactions of group by gender.
Conclusions: Reaction-time variability and accuracy parameters could be useful neuropsychological endophenotypes for ADHD. Performance-modulating effects of incentives suggested a familially driven motivational dysfunction which may play an important role on etiologic pathways and treatment approaches for ADHD. The effects of gender were independent of familial effects or ADHD-status, which in turn suggests that the proposed endophenotypes are independent of gender.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02139.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=941 Personalized at-home neurofeedback compared to long-acting methylphenidate in children with ADHD: NEWROFEED, a European randomized noninferiority trial / D. PURPER-OUAKIL in Journal of Child Psychology and Psychiatry, 63-2 (February 2022)
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