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Auteur Greg HAJCAK |
Documents disponibles écrits par cet auteur (5)



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 et/ou numérique 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 et/ou numérique] / 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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Titre : Error-related brain activity in young children: associations with parental anxiety and child temperamental negative emotionality Type de document : Texte imprimé et/ou numérique Auteurs : Dana C. TORPEY, Auteur ; Greg HAJCAK, Auteur ; Jiyon KIM, Auteur ; Autumn KUJAWA, Auteur ; Margaret DYSON, Auteur ; Thomas M. OLINO, Auteur ; Daniel N. KLEIN, Auteur Article en page(s) : p.854-862 Langues : Anglais (eng) Mots-clés : Anxiety high risk studies psychophysiology temperament Index. décimale : PER Périodiques Résumé : Background: There is increasing interest in error-related brain activity in anxiety disorders. The error-related negativity (ERN) is a negative deflection in the event-related potential approximately 50 ms after errors compared to correct responses. Recent studies suggest that the ERN may be a biomarker for anxiety, as it is positively associated with anxiety disorders and traits in adults and older youth. However, it is not known if the ERN in young children is related to risk for anxiety disorders. We addressed this by examining the association of six-year olds' ERNs with two established risk factors for anxiety: parental anxiety disorder and child temperamental negative emotionality (NE). Method: The ERN was assessed using a Go/No-Go task in a community sample of 413 six-year olds. In a prior assessment at age 3, child temperament was evaluated using a laboratory observational measure and parental psychopathology was assessed using semi-structured diagnostic interviews. Results: Children of mothers with anxiety disorders and children with greater temperamental NE (particularly fearfulness) exhibited significantly smaller ERNs than their peers. Paternal psychopathology, maternal mood and substance use disorders, and child positive emotionality were not associated with children's ERNs. Conclusion: Both maternal anxiety disorders and child NE (particularly fearfulness) were significantly associated with children's ERNs. However, the direction of these associations was opposite to the relations between ERNs and anxiety in older youth and adults. These results suggest that there may be a difference between risk and disorder status in the relation of error-related brain activity to anxiety between early childhood and late childhood/ early adolescence. En ligne : http://dx.doi.org/10.1111/jcpp.12041 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=210
in Journal of Child Psychology and Psychiatry > 54-8 (August 2013) . - p.854-862[article] Error-related brain activity in young children: associations with parental anxiety and child temperamental negative emotionality [Texte imprimé et/ou numérique] / Dana C. TORPEY, Auteur ; Greg HAJCAK, Auteur ; Jiyon KIM, Auteur ; Autumn KUJAWA, Auteur ; Margaret DYSON, Auteur ; Thomas M. OLINO, Auteur ; Daniel N. KLEIN, Auteur . - p.854-862.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 54-8 (August 2013) . - p.854-862
Mots-clés : Anxiety high risk studies psychophysiology temperament Index. décimale : PER Périodiques Résumé : Background: There is increasing interest in error-related brain activity in anxiety disorders. The error-related negativity (ERN) is a negative deflection in the event-related potential approximately 50 ms after errors compared to correct responses. Recent studies suggest that the ERN may be a biomarker for anxiety, as it is positively associated with anxiety disorders and traits in adults and older youth. However, it is not known if the ERN in young children is related to risk for anxiety disorders. We addressed this by examining the association of six-year olds' ERNs with two established risk factors for anxiety: parental anxiety disorder and child temperamental negative emotionality (NE). Method: The ERN was assessed using a Go/No-Go task in a community sample of 413 six-year olds. In a prior assessment at age 3, child temperament was evaluated using a laboratory observational measure and parental psychopathology was assessed using semi-structured diagnostic interviews. Results: Children of mothers with anxiety disorders and children with greater temperamental NE (particularly fearfulness) exhibited significantly smaller ERNs than their peers. Paternal psychopathology, maternal mood and substance use disorders, and child positive emotionality were not associated with children's ERNs. Conclusion: Both maternal anxiety disorders and child NE (particularly fearfulness) were significantly associated with children's ERNs. However, the direction of these associations was opposite to the relations between ERNs and anxiety in older youth and adults. These results suggest that there may be a difference between risk and disorder status in the relation of error-related brain activity to anxiety between early childhood and late childhood/ early adolescence. En ligne : http://dx.doi.org/10.1111/jcpp.12041 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=210 A 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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Titre : A 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 Type de document : Texte imprimé et/ou numérique Auteurs : Alexandria MEYER, Auteur ; Greg HAJCAK, Auteur ; Elizabeth HAYDEN, Auteur ; Haroon I. SHEIKH, Auteur ; Shiva M. SINGH, Auteur ; Daniel N. KLEIN, Auteur Article en page(s) : p.125-141 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : The error-related negativity (ERN) is a negative deflection in the event-related potential occurring when individuals make mistakes, and is increased in children with internalizing psychopathology. We recently found that harsh parenting predicts a larger ERN in children, and recent work has suggested that variation in the brain-derived neurotrophic factor (BDNF) gene may moderate the impact of early life adversity. Parents and children completed measures of parenting when children were 3 years old (N = 201); 3 years later, the ERN was measured and diagnostic interviews as well as dimensional symptom measures were completed. We found that harsh parenting predicted an increased ERN only among children with a methionine allele of the BDNF genotype, and evidence of moderated mediation: the ERN mediated the relationship between parenting and internalizing diagnoses and dimensional symptoms only if children had a methionine allele. We tested this model with externalizing disorders, and found that harsh parenting predicted externalizing outcomes, but the ERN did not mediate this association. These findings suggest that harsh parenting predicts both externalizing and internalizing outcomes in children; however, this occurs through different pathways that uniquely implicate error-related brain activity in the development of internalizing disorders. En ligne : https://doi.org/10.1017/S0954579417000517 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=335
in Development and Psychopathology > 30-1 (February 2018) . - p.125-141[article] A 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 [Texte imprimé et/ou numérique] / Alexandria MEYER, Auteur ; Greg HAJCAK, Auteur ; Elizabeth HAYDEN, Auteur ; Haroon I. SHEIKH, Auteur ; Shiva M. SINGH, Auteur ; Daniel N. KLEIN, Auteur . - p.125-141.
Langues : Anglais (eng)
in Development and Psychopathology > 30-1 (February 2018) . - p.125-141
Index. décimale : PER Périodiques Résumé : The error-related negativity (ERN) is a negative deflection in the event-related potential occurring when individuals make mistakes, and is increased in children with internalizing psychopathology. We recently found that harsh parenting predicts a larger ERN in children, and recent work has suggested that variation in the brain-derived neurotrophic factor (BDNF) gene may moderate the impact of early life adversity. Parents and children completed measures of parenting when children were 3 years old (N = 201); 3 years later, the ERN was measured and diagnostic interviews as well as dimensional symptom measures were completed. We found that harsh parenting predicted an increased ERN only among children with a methionine allele of the BDNF genotype, and evidence of moderated mediation: the ERN mediated the relationship between parenting and internalizing diagnoses and dimensional symptoms only if children had a methionine allele. We tested this model with externalizing disorders, and found that harsh parenting predicted externalizing outcomes, but the ERN did not mediate this association. These findings suggest that harsh parenting predicts both externalizing and internalizing outcomes in children; however, this occurs through different pathways that uniquely implicate error-related brain activity in the development of internalizing disorders. En ligne : https://doi.org/10.1017/S0954579417000517 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=335 The 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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Titre : The late positive potential: a neurophysiological marker for emotion regulation in children Type de document : Texte imprimé et/ou numérique Auteurs : Tracy A. DENNIS, Auteur ; Greg HAJCAK, Auteur Année de publication : 2009 Article en page(s) : p.1373-1383 Langues : Anglais (eng) Mots-clés : Emotion-regulation EEG biomarker ERP late-positive-potential Index. décimale : PER Périodiques Résumé : Background: The ability to modulate emotional responses, or emotion regulation, is a key mechanism in the development of mood disruptions. Detection of a neural marker for emotion regulation thus has the potential to inform early detection and intervention for mood problems. One such neural marker may be the late positive potential (LPP), which is a scalp-recorded event-related potential reflecting facilitated attention to emotional stimuli. In adults, the LPP is reduced following use of cognitive emotion regulation strategies such as reappraisal. No studies to date have examined the LPP in relation to cognitive emotion regulation in children, and whether the LPP is related to parent-report measures of emotion regulation and mood disruptions.
Methods: To examine this question, high-density electroencephalograph (EEG) was recorded from 20 children (M age = 87.8 months, SD = 18.02; 10 girls) while they viewed unpleasant emotional pictures following either a directed negative or neutral interpretation of the picture.
Results: As predicted, the LPP was smaller following neutral versus negative interpretations at posterior recording sites, except for younger girls (aged 5–6). The timing of this effect was later than that reported in studies with adults. For all children, greater modulation of the LPP by neutral interpretations was associated with reduced anxious-depressed symptoms, whereas larger LPPs for both interpretation types were associated with greater mood symptoms and worse parent-reported emotion regulation.
Conclusions: Results suggest that the LPP may represent a clinically relevant neural marker for emotion regulation and mood disruptions.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02168.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=848
in Journal of Child Psychology and Psychiatry > 50-11 (November 2009) . - p.1373-1383[article] The late positive potential: a neurophysiological marker for emotion regulation in children [Texte imprimé et/ou numérique] / Tracy A. DENNIS, Auteur ; Greg HAJCAK, Auteur . - 2009 . - p.1373-1383.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 50-11 (November 2009) . - p.1373-1383
Mots-clés : Emotion-regulation EEG biomarker ERP late-positive-potential Index. décimale : PER Périodiques Résumé : Background: The ability to modulate emotional responses, or emotion regulation, is a key mechanism in the development of mood disruptions. Detection of a neural marker for emotion regulation thus has the potential to inform early detection and intervention for mood problems. One such neural marker may be the late positive potential (LPP), which is a scalp-recorded event-related potential reflecting facilitated attention to emotional stimuli. In adults, the LPP is reduced following use of cognitive emotion regulation strategies such as reappraisal. No studies to date have examined the LPP in relation to cognitive emotion regulation in children, and whether the LPP is related to parent-report measures of emotion regulation and mood disruptions.
Methods: To examine this question, high-density electroencephalograph (EEG) was recorded from 20 children (M age = 87.8 months, SD = 18.02; 10 girls) while they viewed unpleasant emotional pictures following either a directed negative or neutral interpretation of the picture.
Results: As predicted, the LPP was smaller following neutral versus negative interpretations at posterior recording sites, except for younger girls (aged 5–6). The timing of this effect was later than that reported in studies with adults. For all children, greater modulation of the LPP by neutral interpretations was associated with reduced anxious-depressed symptoms, whereas larger LPPs for both interpretation types were associated with greater mood symptoms and worse parent-reported emotion regulation.
Conclusions: Results suggest that the LPP may represent a clinically relevant neural marker for emotion regulation and mood disruptions.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02168.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=848 Transdiagnostic 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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Titre : Transdiagnostic factors and pathways to multifinality: The error-related negativity predicts whether preschool irritability is associated with internalizing versus externalizing symptoms at age 9 Type de document : Texte imprimé et/ou numérique Auteurs : Ellen M. KESSEL, Auteur ; Alexandria MEYER, Auteur ; Greg HAJCAK, Auteur ; Lea R. DOUGHERTY, Auteur ; Dana C. TORPEY-NEWMAN, Auteur ; Gabrielle A. CARLSON, Auteur ; Daniel N. KLEIN, Auteur Article en page(s) : p.913-926 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : There is increasing interest among developmental psychopathologists in broad transdiagnostic factors that give rise to a wide array of clinical presentations (multifinality), but little is known about how these processes lead to particular psychopathological manifestations over the course of development. We examined whether individual differences in the error-related negativity (?ERN), a neural indicator of error monitoring, predicts whether early persistent irritability, a prototypical transdiagnostic construct, is associated with later internalizing versus externalizing outcomes. When children were 3 years old, mothers were interviewed about children's persistent irritability and completed questionnaires about their children's psychopathology. Three years later, EEG was recorded while children performed a go/no-go task to measure the ?ERN. When children were approximately 9 years old, mothers again completed questionnaires about their children's psychopathology. The results indicated that among children who were persistently irritable at age 3, an enhanced or more negative ?ERN at age 6 predicted the development of internalizing symptoms at age 9, whereas a blunted or smaller ?ERN at age 6 predicted the development of externalizing symptoms. Our results suggest that variation in error monitoring predicts, and may even shape, the expression of persistent irritability and differentiates developmental trajectories from preschool persistent irritability to internalizing versus externalizing outcomes in middle to late childhood. En ligne : http://dx.doi.org/10.1017/s0954579416000626 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=294
in Development and Psychopathology > 28-4 pt1 (November 2016) . - p.913-926[article] Transdiagnostic factors and pathways to multifinality: The error-related negativity predicts whether preschool irritability is associated with internalizing versus externalizing symptoms at age 9 [Texte imprimé et/ou numérique] / Ellen M. KESSEL, Auteur ; Alexandria MEYER, Auteur ; Greg HAJCAK, Auteur ; Lea R. DOUGHERTY, Auteur ; Dana C. TORPEY-NEWMAN, Auteur ; Gabrielle A. CARLSON, Auteur ; Daniel N. KLEIN, Auteur . - p.913-926.
Langues : Anglais (eng)
in Development and Psychopathology > 28-4 pt1 (November 2016) . - p.913-926
Index. décimale : PER Périodiques Résumé : There is increasing interest among developmental psychopathologists in broad transdiagnostic factors that give rise to a wide array of clinical presentations (multifinality), but little is known about how these processes lead to particular psychopathological manifestations over the course of development. We examined whether individual differences in the error-related negativity (?ERN), a neural indicator of error monitoring, predicts whether early persistent irritability, a prototypical transdiagnostic construct, is associated with later internalizing versus externalizing outcomes. When children were 3 years old, mothers were interviewed about children's persistent irritability and completed questionnaires about their children's psychopathology. Three years later, EEG was recorded while children performed a go/no-go task to measure the ?ERN. When children were approximately 9 years old, mothers again completed questionnaires about their children's psychopathology. The results indicated that among children who were persistently irritable at age 3, an enhanced or more negative ?ERN at age 6 predicted the development of internalizing symptoms at age 9, whereas a blunted or smaller ?ERN at age 6 predicted the development of externalizing symptoms. Our results suggest that variation in error monitoring predicts, and may even shape, the expression of persistent irritability and differentiates developmental trajectories from preschool persistent irritability to internalizing versus externalizing outcomes in middle to late childhood. En ligne : http://dx.doi.org/10.1017/s0954579416000626 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=294