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Auteur Greg HAJCAK
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Documents disponibles écrits par cet auteur (14)
Faire une suggestion Affiner la rechercheChildhood anhedonia symptoms and stressful life events predict the development of reward-related brain activity across adolescence / A.K. SZENCZY in Development and Psychopathology, 37-2 (May 2025)
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Titre : Childhood anhedonia symptoms and stressful life events predict the development of reward-related brain activity across adolescence Type de document : texte imprimé Auteurs : A.K. SZENCZY, Auteur ; E.M. ADAMS, Auteur ; M.T. HAWES, Auteur ; J. ANATALA, Auteur ; K. GAIR, Auteur ; Daniel N. KLEIN, Auteur ; Greg HAJCAK, Auteur ; Brady D. NELSON, Auteur Article en page(s) : p.825-835 Langues : Anglais (eng) Mots-clés : Adolescence depression reward positivity stress Index. décimale : PER Périodiques Résumé : The reward positivity (RewP) is an event-related potential that indexes reinforcement learning and reward system activation. The RewP has been shown to increase across adolescence; however, most studies have examined the RewP across two assessments, and no studies have examined within-person changes across adolescence into young adulthood. Moreover, the RewP has been identified as a neurobiological risk factor for adolescent-onset depression, but it is unclear whether childhood psychosocial risk factors might predict RewP development across adolescence. In a sample of 317 8- to 14-year-old girls (Mage = 12.4, SD = 1.8), the present study examined self-report measures of depression symptoms and stressful life events at baseline and the ?RewP during the doors guessing task across three timepoints. Growth modeling indicated that, across all participants, the ?RewP did not demonstrate linear change across adolescence. However, baseline anhedonia symptoms predicted within-person changes in the ?RewP, such that individuals with low anhedonia symptoms demonstrated a linear increase in the ?RewP, but individuals with high anhedonia symptoms had no change in the ?RewP across adolescence. Similar patterns were observed for stressful life events. The present study suggests that childhood risk factors impact the development of reward-related brain activity, which might subsequently increase risk for psychopathology. En ligne : https://dx.doi.org/10.1017/S0954579424000701 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=552
in Development and Psychopathology > 37-2 (May 2025) . - p.825-835[article] Childhood anhedonia symptoms and stressful life events predict the development of reward-related brain activity across adolescence [texte imprimé] / A.K. SZENCZY, Auteur ; E.M. ADAMS, Auteur ; M.T. HAWES, Auteur ; J. ANATALA, Auteur ; K. GAIR, Auteur ; Daniel N. KLEIN, Auteur ; Greg HAJCAK, Auteur ; Brady D. NELSON, Auteur . - p.825-835.
Langues : Anglais (eng)
in Development and Psychopathology > 37-2 (May 2025) . - p.825-835
Mots-clés : Adolescence depression reward positivity stress Index. décimale : PER Périodiques Résumé : The reward positivity (RewP) is an event-related potential that indexes reinforcement learning and reward system activation. The RewP has been shown to increase across adolescence; however, most studies have examined the RewP across two assessments, and no studies have examined within-person changes across adolescence into young adulthood. Moreover, the RewP has been identified as a neurobiological risk factor for adolescent-onset depression, but it is unclear whether childhood psychosocial risk factors might predict RewP development across adolescence. In a sample of 317 8- to 14-year-old girls (Mage = 12.4, SD = 1.8), the present study examined self-report measures of depression symptoms and stressful life events at baseline and the ?RewP during the doors guessing task across three timepoints. Growth modeling indicated that, across all participants, the ?RewP did not demonstrate linear change across adolescence. However, baseline anhedonia symptoms predicted within-person changes in the ?RewP, such that individuals with low anhedonia symptoms demonstrated a linear increase in the ?RewP, but individuals with high anhedonia symptoms had no change in the ?RewP across adolescence. Similar patterns were observed for stressful life events. The present study suggests that childhood risk factors impact the development of reward-related brain activity, which might subsequently increase risk for psychopathology. En ligne : https://dx.doi.org/10.1017/S0954579424000701 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=552 Childhood psychopathology predicts development of error-related brain activity across adolescence / Elise M. ADAMS in Development and Psychopathology, 37-5 (December 2025)
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Titre : Childhood psychopathology predicts development of error-related brain activity across adolescence Type de document : texte imprimé Auteurs : Elise M. ADAMS, Auteur ; Aline K. SZENCZY, Auteur ; Mariah T. HAWES, Auteur ; Alexandria MEYER, Auteur ; Greg HAJCAK, Auteur ; Brady D. NELSON, Auteur Article en page(s) : p.2795-2805 Langues : Anglais (eng) Mots-clés : Adolescence anxiety depression error-related negativity Index. décimale : PER Périodiques Résumé : Cross-sectional and longitudinal evidence indicates that the error-related negativity (ERN) increases across adolescence. However, there are no longitudinal studies of ERN development which traverse all of adolescence. In addition, anxiety (e.g., generalized and social anxiety) and depression have been associated with a larger and smaller ERN, respectively, but it is unknown whether childhood psychopathology is associated with adolescent development of the ERN. In the present study, 317 8 to 14-year-old girls completed a flanker task at baseline and approximately 2-year and 5-year follow-ups. Multilevel growth modeling was used to examine ERN trajectory across adolescence and test whether self-reported childhood generalized anxiety, social anxiety, and depression symptoms at baseline predicted ERN trajectory. On average, the ERN demonstrated a linear increase from late childhood to early adulthood. Additionally, participants with high baseline anxiety (generalized anxiety, social anxiety) and low depression symptoms had the steepest ERN trajectory across adolescence. The present study provides longitudinal support for an increase in the ERN spanning adolescence and demonstrates that childhood psychopathology is associated with error-related neural development into early adulthood. En ligne : https://dx.doi.org/10.1017/S0954579425100370 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=572
in Development and Psychopathology > 37-5 (December 2025) . - p.2795-2805[article] Childhood psychopathology predicts development of error-related brain activity across adolescence [texte imprimé] / Elise M. ADAMS, Auteur ; Aline K. SZENCZY, Auteur ; Mariah T. HAWES, Auteur ; Alexandria MEYER, Auteur ; Greg HAJCAK, Auteur ; Brady D. NELSON, Auteur . - p.2795-2805.
Langues : Anglais (eng)
in Development and Psychopathology > 37-5 (December 2025) . - p.2795-2805
Mots-clés : Adolescence anxiety depression error-related negativity Index. décimale : PER Périodiques Résumé : Cross-sectional and longitudinal evidence indicates that the error-related negativity (ERN) increases across adolescence. However, there are no longitudinal studies of ERN development which traverse all of adolescence. In addition, anxiety (e.g., generalized and social anxiety) and depression have been associated with a larger and smaller ERN, respectively, but it is unknown whether childhood psychopathology is associated with adolescent development of the ERN. In the present study, 317 8 to 14-year-old girls completed a flanker task at baseline and approximately 2-year and 5-year follow-ups. Multilevel growth modeling was used to examine ERN trajectory across adolescence and test whether self-reported childhood generalized anxiety, social anxiety, and depression symptoms at baseline predicted ERN trajectory. On average, the ERN demonstrated a linear increase from late childhood to early adulthood. Additionally, participants with high baseline anxiety (generalized anxiety, social anxiety) and low depression symptoms had the steepest ERN trajectory across adolescence. The present study provides longitudinal support for an increase in the ERN spanning adolescence and demonstrates that childhood psychopathology is associated with error-related neural development into early adulthood. En ligne : https://dx.doi.org/10.1017/S0954579425100370 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=572 Differences in the Late Positive Potential and P300 to Emotional Faces in Individuals with Autism Spectrum Disorder / Cara M. KEIFER in Journal of Autism and Developmental Disorders, 49-12 (December 2019)
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Titre : Differences in the Late Positive Potential and P300 to Emotional Faces in Individuals with Autism Spectrum Disorder Type de document : texte imprimé Auteurs : Cara M. KEIFER, Auteur ; Kathryn M. HAUSCHILD, Auteur ; Brady D. NELSON, Auteur ; Greg HAJCAK, Auteur ; Matthew D. LERNER, Auteur Article en page(s) : p.5009-5022 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder Erp Emotion processing Lpp P300 Social cognition Index. décimale : PER Périodiques Résumé : Despite evidence suggesting differences in early event-related potential (ERP) responses to social emotional stimuli, little is known about later stage ERP contributions to social emotional processing in individuals with autism spectrum disorder (ASD). Adults with and without ASD completed a facial emotion recognition task involving stimuli that varied by emotional intensity while electroencephalograms were recorded. Principal components analysis was used to examine P300 and late positive potential (LPP) modulation by emotional intensity. Results indicated that greater ASD symptomatology evinced heightened P300 to high relative to low intensity faces, then heightened LPP to low relative to high intensity faces. Findings suggest that adults with greater ASD symptomatology may demonstrate a lag in engagement in elaborative processing of low intensity faces. En ligne : http://dx.doi.org/10.1007/s10803-019-04207-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=411
in Journal of Autism and Developmental Disorders > 49-12 (December 2019) . - p.5009-5022[article] Differences in the Late Positive Potential and P300 to Emotional Faces in Individuals with Autism Spectrum Disorder [texte imprimé] / Cara M. KEIFER, Auteur ; Kathryn M. HAUSCHILD, Auteur ; Brady D. NELSON, Auteur ; Greg HAJCAK, Auteur ; Matthew D. LERNER, Auteur . - p.5009-5022.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 49-12 (December 2019) . - p.5009-5022
Mots-clés : Autism spectrum disorder Erp Emotion processing Lpp P300 Social cognition Index. décimale : PER Périodiques Résumé : Despite evidence suggesting differences in early event-related potential (ERP) responses to social emotional stimuli, little is known about later stage ERP contributions to social emotional processing in individuals with autism spectrum disorder (ASD). Adults with and without ASD completed a facial emotion recognition task involving stimuli that varied by emotional intensity while electroencephalograms were recorded. Principal components analysis was used to examine P300 and late positive potential (LPP) modulation by emotional intensity. Results indicated that greater ASD symptomatology evinced heightened P300 to high relative to low intensity faces, then heightened LPP to low relative to high intensity faces. Findings suggest that adults with greater ASD symptomatology may demonstrate a lag in engagement in elaborative processing of low intensity faces. En ligne : http://dx.doi.org/10.1007/s10803-019-04207-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=411 Disaggregation of between- and within-subject effects of internalizing symptoms on P300 amplitude during adolescence / Nicholas J. SANTOPETRO in Development and Psychopathology, 38-4 (October 2026)
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Titre : Disaggregation of between- and within-subject effects of internalizing symptoms on P300 amplitude during adolescence Type de document : texte imprimé Auteurs : Nicholas J. SANTOPETRO, Auteur ; C. J. BRUSH, Auteur ; Alexander KALLEN, Auteur ; Nader AMIR, Auteur ; Greg HAJCAK, Auteur Article en page(s) : p.1630-1640 Langues : Anglais (eng) Mots-clés : EEG ERP P300 adolescence anxiety depression Index. décimale : PER Périodiques Résumé : Deviations in P300 activity have been implicated in depression and anxiety; however, much of this research has been conducted in adult samples and has primarily examined the association between P300 amplitude and internalizing symptoms between participants. We sought to simultaneously examine the between- and within-subject associations between depression and anxiety symptoms with P300. Self-report and neural data from a flanker task were collected at three timepoints over the course of two years in a large sample of adolescents (n = 490). Blunted P300 was robustly related to elevated between-subject depression. Conversely, elevations in within-subject anxiety were associated with larger P300. Results implicate the P300 as a reliable correlate of between-subjects level depression-related deficits in cognitive functions that is not susceptible to within-subject changes. Additionally, P300 also serves as a correlate of within-subject elevations in youth anxiety symptoms likely reflecting greater hyperarousal at the time of assessment. En ligne : https://dx.doi.org/10.1017/S0954579426101369 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=593
in Development and Psychopathology > 38-4 (October 2026) . - p.1630-1640[article] Disaggregation of between- and within-subject effects of internalizing symptoms on P300 amplitude during adolescence [texte imprimé] / Nicholas J. SANTOPETRO, Auteur ; C. J. BRUSH, Auteur ; Alexander KALLEN, Auteur ; Nader AMIR, Auteur ; Greg HAJCAK, Auteur . - p.1630-1640.
Langues : Anglais (eng)
in Development and Psychopathology > 38-4 (October 2026) . - p.1630-1640
Mots-clés : EEG ERP P300 adolescence anxiety depression Index. décimale : PER Périodiques Résumé : Deviations in P300 activity have been implicated in depression and anxiety; however, much of this research has been conducted in adult samples and has primarily examined the association between P300 amplitude and internalizing symptoms between participants. We sought to simultaneously examine the between- and within-subject associations between depression and anxiety symptoms with P300. Self-report and neural data from a flanker task were collected at three timepoints over the course of two years in a large sample of adolescents (n = 490). Blunted P300 was robustly related to elevated between-subject depression. Conversely, elevations in within-subject anxiety were associated with larger P300. Results implicate the P300 as a reliable correlate of between-subjects level depression-related deficits in cognitive functions that is not susceptible to within-subject changes. Additionally, P300 also serves as a correlate of within-subject elevations in youth anxiety symptoms likely reflecting greater hyperarousal at the time of assessment. En ligne : https://dx.doi.org/10.1017/S0954579426101369 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=593 Electrocortical reactivity to emotional faces in young children and associations with maternal and paternal depression / Autumn KUJAWA in Journal of Child Psychology and Psychiatry, 53-2 (February 2012)
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Titre : Electrocortical reactivity to emotional faces in young children and associations with maternal and paternal depression Type de document : texte imprimé Auteurs : Autumn KUJAWA, Auteur ; Greg HAJCAK, Auteur ; Dana C. TORPEY, Auteur ; Jiyon KIM, Auteur ; Daniel N. KLEIN, Auteur Année de publication : 2012 Article en page(s) : p.207-215 Langues : Anglais (eng) Mots-clés : Depression vulnerability markers emotion psychophysiology Index. décimale : PER Périodiques Résumé : Background: The late positive potential (LPP) is an event-related potential component that indexes selective attention toward motivationally salient information and is sensitive to emotional stimuli. Few studies have examined the LPP in children. Depression has been associated with reduced reactivity to negative and positive emotional stimuli, including reduced LPPs in response to emotional faces. The current study sought to identify the time course and scalp distribution of the LPP in response to emotional faces in young children and to determine whether reduced reactivity is observed among children at risk for depression. Methods: Electrocortical reactivity to emotional faces was examined in a large sample of young children and as a function of maternal and paternal depression. Results: In the overall sample, emotional faces were associated with increased positivities compared to neutral faces at occipital sites 200–600 ms after stimulus onset and at parietal sites 600–1,000 ms after stimulus onset. Children of mothers with a history of depressive disorders exhibited reduced differentiation in the early occipital LPP for emotional compared to neutral faces. Conclusions: Results suggest that children as young as 6 years exhibit LPPs to emotional faces, and patterns of electrocortical reactivity to emotional stimuli may be associated with vulnerability to depressive disorders. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2011.02461.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=150
in Journal of Child Psychology and Psychiatry > 53-2 (February 2012) . - p.207-215[article] Electrocortical reactivity to emotional faces in young children and associations with maternal and paternal depression [texte imprimé] / Autumn KUJAWA, Auteur ; Greg HAJCAK, Auteur ; Dana C. TORPEY, Auteur ; Jiyon KIM, Auteur ; Daniel N. KLEIN, Auteur . - 2012 . - p.207-215.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 53-2 (February 2012) . - p.207-215
Mots-clés : Depression vulnerability markers emotion psychophysiology Index. décimale : PER Périodiques Résumé : Background: The late positive potential (LPP) is an event-related potential component that indexes selective attention toward motivationally salient information and is sensitive to emotional stimuli. Few studies have examined the LPP in children. Depression has been associated with reduced reactivity to negative and positive emotional stimuli, including reduced LPPs in response to emotional faces. The current study sought to identify the time course and scalp distribution of the LPP in response to emotional faces in young children and to determine whether reduced reactivity is observed among children at risk for depression. Methods: Electrocortical reactivity to emotional faces was examined in a large sample of young children and as a function of maternal and paternal depression. Results: In the overall sample, emotional faces were associated with increased positivities compared to neutral faces at occipital sites 200–600 ms after stimulus onset and at parietal sites 600–1,000 ms after stimulus onset. Children of mothers with a history of depressive disorders exhibited reduced differentiation in the early occipital LPP for emotional compared to neutral faces. Conclusions: Results suggest that children as young as 6 years exhibit LPPs to emotional faces, and patterns of electrocortical reactivity to emotional stimuli may be associated with vulnerability to depressive disorders. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2011.02461.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=150 Error-related brain activity in young children: associations with parental anxiety and child temperamental negative emotionality / Dana C. TORPEY in Journal of Child Psychology and Psychiatry, 54-8 (August 2013)
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PermalinkA genetic variant brain-derived neurotrophic factor (BDNF) polymorphism interacts with hostile parenting to predict error-related brain activity and thereby risk for internalizing disorders in children / Alexandria MEYER in Development and Psychopathology, 30-1 (February 2018)
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PermalinkInterpersonal violence moderates sustained-transient threat co-activation in the vmPFC and amygdala in a community sample of youth / Jane E. JOSEPH ; Zachary W. ADAMS ; Kathleen I. CRUM ; Christopher T. SEGE ; Lisa M. MCTEAGUE ; Greg HAJCAK ; Colleen A. HALLIDAY ; Carla Kmett DANIELSON in Development and Psychopathology, 37-4 (October 2025)
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PermalinkIntervention for Anxiety and Problem Behavior in Children with Autism Spectrum Disorder and Intellectual Disability / Lauren J. MOSKOWITZ in Journal of Autism and Developmental Disorders, 47-12 (December 2017)
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PermalinkNeural reward responsiveness in children who engage in nonsuicidal self-injury: an ERP study / Aliona TSYPES in Journal of Child Psychology and Psychiatry, 59-12 (December 2018)
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PermalinkParenting style moderates the effects of exposure to natural disaster-related stress on the neural development of reactivity to threat and reward in children / Ellen M. KESSEL in Development and Psychopathology, 31-4 (October 2019)
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PermalinkReduced reward responsiveness moderates the effect of maternal depression on depressive symptoms in offspring: evidence across levels of analysis / Autumn KUJAWA in Journal of Child Psychology and Psychiatry, 60-1 (January 2019)
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PermalinkThe late positive potential: a neurophysiological marker for emotion regulation in children / Tracy A. DENNIS in Journal of Child Psychology and Psychiatry, 50-11 (November 2009)
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PermalinkTransdiagnostic factors and pathways to multifinality: The error-related negativity predicts whether preschool irritability is associated with internalizing versus externalizing symptoms at age 9 / Ellen M. KESSEL in Development and Psychopathology, 28-4 pt1 (November 2016)
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