Alpha Asymmetry in Infants at Risk for Autism Spectrum Disorders / Laurel GABARD-DURNAM in Journal of Autism and Developmental Disorders, 45-2 (February 2015)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 45-2 (February 2015) . - p.473-480 Titre : Alpha Asymmetry in Infants at Risk for Autism Spectrum Disorders Type de document : Texte imprimé et/ou numérique Auteurs : Laurel GABARD-DURNAM, Auteur ; Adrienne L. TIERNEY, Auteur ; Vanessa VOGEL-FARLEY, Auteur ; Helen TAGER-FLUSBERG, Auteur ; Charles A. NELSON, Auteur Article en page(s) : p.473-480 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder  Infant siblings  Electroencephalography  Frontal alpha asymmetry  Endophenotype Index. décimale : PER Périodiques Résumé : An emerging focus of research on autism spectrum disorder (ASD) targets the identification of early-developing ASD endophenotypes using infant siblings of affected children. One potential neural endophenotype is resting frontal electroencephalogram (EEG) alpha asymmetry, a metric of hemispheric organization. Here, we examined the development of frontal EEG alpha asymmetry in ASD high-risk and low-risk infant populations. Our findings demonstrate that low and high-risk infants show different patterns of alpha asymmetry at 6 months of age and opposite growth trajectories in asymmetry over the following 12 months. These results support the candidacy of alpha asymmetry as an early neural ASD endophenotype. En ligne : http://dx.doi.org/10.1007/s10803-013-1926-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=258 [article] Alpha Asymmetry in Infants at Risk for Autism Spectrum Disorders [Texte imprimé et/ou numérique] / Laurel GABARD-DURNAM, Auteur ; Adrienne L. TIERNEY, Auteur ; Vanessa VOGEL-FARLEY, Auteur ; Helen TAGER-FLUSBERG, Auteur ; Charles A. NELSON, Auteur . - p.473-480. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 45-2 (February 2015) . - p.473-480 Mots-clés : Autism spectrum disorder  Infant siblings  Electroencephalography  Frontal alpha asymmetry  Endophenotype Index. décimale : PER Périodiques Résumé : An emerging focus of research on autism spectrum disorder (ASD) targets the identification of early-developing ASD endophenotypes using infant siblings of affected children. One potential neural endophenotype is resting frontal electroencephalogram (EEG) alpha asymmetry, a metric of hemispheric organization. Here, we examined the development of frontal EEG alpha asymmetry in ASD high-risk and low-risk infant populations. Our findings demonstrate that low and high-risk infants show different patterns of alpha asymmetry at 6 months of age and opposite growth trajectories in asymmetry over the following 12 months. These results support the candidacy of alpha asymmetry as an early neural ASD endophenotype. En ligne : http://dx.doi.org/10.1007/s10803-013-1926-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=258

Altered ventral striatal–medial prefrontal cortex resting-state connectivity mediates adolescent social problems after early institutional care / Dominic S. FARERI in Development and Psychopathology, 29-5 (December 2017)  

Public ISBD [article]  inDevelopment and Psychopathology > 29-5 (December 2017) . - p.1865-1876 Titre : Altered ventral striatal–medial prefrontal cortex resting-state connectivity mediates adolescent social problems after early institutional care Type de document : Texte imprimé et/ou numérique Auteurs : Dominic S. FARERI, Auteur ; Laurel GABARD-DURNAM, Auteur ; Bonnie GOFF, Auteur ; Jessica FLANNERY, Auteur ; Dylan G. GEE, Auteur ; Daniel S. LUMIAN, Auteur ; Christina CALDERA, Auteur ; Nim TOTTENHAM, Auteur Article en page(s) : p.1865-1876 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Early caregiving adversity is associated with increased risk for social difficulties. The ventral striatum and associated corticostriatal circuitry, which have demonstrated vulnerability to early exposures to adversity, are implicated in many aspects of social behavior, including social play, aggression, and valuation of social stimuli across development. Here, we used resting-state functional magnetic resonance imaging to assess the degree to which early caregiving adversity was associated with altered coritocostriatal resting connectivity in previously institutionalized youth (n = 41) relative to youth who were raised with their biological families from birth (n = 47), and the degree to which this connectivity was associated with parent-reported social problems. Using a seed-based approach, we observed increased positive coupling between the ventral striatum and anterior regions of medial prefrontal cortex (mPFC) in previously institutionalized youth. Stronger ventral striatum–mPFC coupling was associated with parent reports of social problems. A moderated-mediation analysis showed that ventral striatal–mPFC connectivity mediated group differences in social problems, and more so with increasing age. These findings show that early institutional care is associated with differences in resting-state connectivity between the ventral striatum and the mPFC, and this connectivity seems to play an increasingly important role in social behaviors as youth enter adolescence. En ligne : http://dx.doi.org/10.1017/S0954579417001456 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=324 [article] Altered ventral striatal–medial prefrontal cortex resting-state connectivity mediates adolescent social problems after early institutional care [Texte imprimé et/ou numérique] / Dominic S. FARERI, Auteur ; Laurel GABARD-DURNAM, Auteur ; Bonnie GOFF, Auteur ; Jessica FLANNERY, Auteur ; Dylan G. GEE, Auteur ; Daniel S. LUMIAN, Auteur ; Christina CALDERA, Auteur ; Nim TOTTENHAM, Auteur . - p.1865-1876. Langues : Anglais (eng) in Development and Psychopathology > 29-5 (December 2017) . - p.1865-1876 Index. décimale : PER Périodiques Résumé : Early caregiving adversity is associated with increased risk for social difficulties. The ventral striatum and associated corticostriatal circuitry, which have demonstrated vulnerability to early exposures to adversity, are implicated in many aspects of social behavior, including social play, aggression, and valuation of social stimuli across development. Here, we used resting-state functional magnetic resonance imaging to assess the degree to which early caregiving adversity was associated with altered coritocostriatal resting connectivity in previously institutionalized youth (n = 41) relative to youth who were raised with their biological families from birth (n = 47), and the degree to which this connectivity was associated with parent-reported social problems. Using a seed-based approach, we observed increased positive coupling between the ventral striatum and anterior regions of medial prefrontal cortex (mPFC) in previously institutionalized youth. Stronger ventral striatum–mPFC coupling was associated with parent reports of social problems. A moderated-mediation analysis showed that ventral striatal–mPFC connectivity mediated group differences in social problems, and more so with increasing age. These findings show that early institutional care is associated with differences in resting-state connectivity between the ventral striatum and the mPFC, and this connectivity seems to play an increasingly important role in social behaviors as youth enter adolescence. En ligne : http://dx.doi.org/10.1017/S0954579417001456 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=324

Discrimination of amygdala response predicts future separation anxiety in youth with early deprivation / Shulamite A. GREEN in Journal of Child Psychology and Psychiatry, 57-10 (October 2016)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 57-10 (October 2016) . - p.1135-1144 Titre : Discrimination of amygdala response predicts future separation anxiety in youth with early deprivation Type de document : Texte imprimé et/ou numérique Auteurs : Shulamite A. GREEN, Auteur ; Bonnie GOFF, Auteur ; Dylan G. GEE, Auteur ; Laurel GABARD-DURNAM, Auteur ; Jessica FLANNERY, Auteur ; Eva H. TELZER, Auteur ; Kathryn L. HUMPHREYS, Auteur ; Jennifer LOUIE, Auteur ; Nim TOTTENHAM, Auteur Article en page(s) : p.1135-1144 Langues : Anglais (eng) Mots-clés : Amygdala development  parents  stress  institutional rearing  separation anxiety  social Index. décimale : PER Périodiques Résumé : Background Significant disruption in caregiving is associated with increased internalizing symptoms, most notably heightened separation anxiety symptoms during childhood. It is also associated with altered functional development of the amygdala, a neurobiological correlate of anxious behavior. However, much less is known about how functional alterations of amygdala predict individual differences in anxiety. Here, we probed amygdala function following institutional caregiving using very subtle social-affective stimuli (trustworthy and untrustworthy faces), which typically result in large differences in amygdala signal, and change in separation anxiety behaviors over a 2-year period. We hypothesized that the degree of differentiation of amygdala signal to trustworthy versus untrustworthy face stimuli would predict separation anxiety symptoms. Methods Seventy-four youths mean (SD) age = 9.7 years (2.64) with and without previous institutional care, who were all living in families at the time of testing, participated in an fMRI task designed to examine differential amygdala response to trustworthy versus untrustworthy faces. Parents reported on their children's separation anxiety symptoms at the time of scan and again 2 years later. Results Previous institutional care was associated with diminished amygdala signal differences and behavioral differences to the contrast of untrustworthy and trustworthy faces. Diminished differentiation of these stimuli types predicted more severe separation anxiety symptoms 2 years later. Older age at adoption was associated with diminished differentiation of amygdala responses. Conclusions A history of institutional care is associated with reduced differential amygdala responses to social-affective cues of trustworthiness that are typically exhibited by comparison samples. Individual differences in the degree of amygdala differential responding to these cues predict the severity of separation anxiety symptoms over a 2-year period. These findings provide a biological mechanism to explain the associations between early caregiving adversity and individual differences in internalizing symptomology during development, thereby contributing to individualized predictions of future clinical outcomes. En ligne : http://dx.doi.org/10.1111/jcpp.12578 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=295 [article] Discrimination of amygdala response predicts future separation anxiety in youth with early deprivation [Texte imprimé et/ou numérique] / Shulamite A. GREEN, Auteur ; Bonnie GOFF, Auteur ; Dylan G. GEE, Auteur ; Laurel GABARD-DURNAM, Auteur ; Jessica FLANNERY, Auteur ; Eva H. TELZER, Auteur ; Kathryn L. HUMPHREYS, Auteur ; Jennifer LOUIE, Auteur ; Nim TOTTENHAM, Auteur . - p.1135-1144. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 57-10 (October 2016) . - p.1135-1144 Mots-clés : Amygdala development  parents  stress  institutional rearing  separation anxiety  social Index. décimale : PER Périodiques Résumé : Background Significant disruption in caregiving is associated with increased internalizing symptoms, most notably heightened separation anxiety symptoms during childhood. It is also associated with altered functional development of the amygdala, a neurobiological correlate of anxious behavior. However, much less is known about how functional alterations of amygdala predict individual differences in anxiety. Here, we probed amygdala function following institutional caregiving using very subtle social-affective stimuli (trustworthy and untrustworthy faces), which typically result in large differences in amygdala signal, and change in separation anxiety behaviors over a 2-year period. We hypothesized that the degree of differentiation of amygdala signal to trustworthy versus untrustworthy face stimuli would predict separation anxiety symptoms. Methods Seventy-four youths mean (SD) age = 9.7 years (2.64) with and without previous institutional care, who were all living in families at the time of testing, participated in an fMRI task designed to examine differential amygdala response to trustworthy versus untrustworthy faces. Parents reported on their children's separation anxiety symptoms at the time of scan and again 2 years later. Results Previous institutional care was associated with diminished amygdala signal differences and behavioral differences to the contrast of untrustworthy and trustworthy faces. Diminished differentiation of these stimuli types predicted more severe separation anxiety symptoms 2 years later. Older age at adoption was associated with diminished differentiation of amygdala responses. Conclusions A history of institutional care is associated with reduced differential amygdala responses to social-affective cues of trustworthiness that are typically exhibited by comparison samples. Individual differences in the degree of amygdala differential responding to these cues predict the severity of separation anxiety symptoms over a 2-year period. These findings provide a biological mechanism to explain the associations between early caregiving adversity and individual differences in internalizing symptomology during development, thereby contributing to individualized predictions of future clinical outcomes. En ligne : http://dx.doi.org/10.1111/jcpp.12578 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=295

Mind and gut: Associations between mood and gastrointestinal distress in children exposed to adversity / Bridget L. CALLAGHAN in Development and Psychopathology, 32-1 (February 2020)  

Public ISBD [article]  inDevelopment and Psychopathology > 32-1 (February 2020) . - p.309-328 Titre : Mind and gut: Associations between mood and gastrointestinal distress in children exposed to adversity Type de document : Texte imprimé et/ou numérique Auteurs : Bridget L. CALLAGHAN, Auteur ; Andrea FIELDS, Auteur ; Dylan G. GEE, Auteur ; Laurel GABARD-DURNAM, Auteur ; Christina CALDERA, Auteur ; Kathryn L. HUMPHREYS, Auteur ; Bonnie GOFF, Auteur ; Jessica FLANNERY, Auteur ; Eva H. TELZER, Auteur ; Mor SHAPIRO, Auteur ; Nim TOTTENHAM, Auteur Article en page(s) : p.309-328 Langues : Anglais (eng) Mots-clés : anxiety  development  functional magnetic resonance imaging  gastrointestinal distress  microbiome Index. décimale : PER Périodiques Résumé : Gastrointestinal and mental disorders are highly comorbid, and animal models have shown that both can be caused by early adversity (e.g., parental deprivation). Interactions between the brain and bacteria that live within the gastrointestinal system (the microbiome) underlie adversity-gastrointestinal-anxiety interactions, but these links have not been investigated during human development. In this study, we utilized data from a population of 344 youth (3-18 years old) who were raised with their biological parents or were exposed to early adverse caregiving experiences (i.e., institutional or foster care followed by international adoption) to explore adversity-gastrointestinal-anxiety associations. In Study 1, we demonstrated that previous adverse care experiences were associated with increased incidence of gastrointestinal symptoms in youth. Gastrointestinal symptoms were also associated with concurrent and future anxiety (measured across 5 years), and those gastrointestinal symptoms mediated the adversity-anxiety association at Time 1. In a subsample of children who provided both stool samples and functional magnetic resonance imaging of the brain (Study 2, which was a "proof-of-principle"), adversity was associated with changes in diversity (both alpha and beta) of microbial communities, and bacteria levels (adversity-associated and adversity-independent) were correlated with prefrontal cortex activation to emotional faces. Implications of these data for supporting youth mental health are discussed. En ligne : http://dx.doi.org/10.1017/s0954579419000087 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=416 [article] Mind and gut: Associations between mood and gastrointestinal distress in children exposed to adversity [Texte imprimé et/ou numérique] / Bridget L. CALLAGHAN, Auteur ; Andrea FIELDS, Auteur ; Dylan G. GEE, Auteur ; Laurel GABARD-DURNAM, Auteur ; Christina CALDERA, Auteur ; Kathryn L. HUMPHREYS, Auteur ; Bonnie GOFF, Auteur ; Jessica FLANNERY, Auteur ; Eva H. TELZER, Auteur ; Mor SHAPIRO, Auteur ; Nim TOTTENHAM, Auteur . - p.309-328. Langues : Anglais (eng) in Development and Psychopathology > 32-1 (February 2020) . - p.309-328 Mots-clés : anxiety  development  functional magnetic resonance imaging  gastrointestinal distress  microbiome Index. décimale : PER Périodiques Résumé : Gastrointestinal and mental disorders are highly comorbid, and animal models have shown that both can be caused by early adversity (e.g., parental deprivation). Interactions between the brain and bacteria that live within the gastrointestinal system (the microbiome) underlie adversity-gastrointestinal-anxiety interactions, but these links have not been investigated during human development. In this study, we utilized data from a population of 344 youth (3-18 years old) who were raised with their biological parents or were exposed to early adverse caregiving experiences (i.e., institutional or foster care followed by international adoption) to explore adversity-gastrointestinal-anxiety associations. In Study 1, we demonstrated that previous adverse care experiences were associated with increased incidence of gastrointestinal symptoms in youth. Gastrointestinal symptoms were also associated with concurrent and future anxiety (measured across 5 years), and those gastrointestinal symptoms mediated the adversity-anxiety association at Time 1. In a subsample of children who provided both stool samples and functional magnetic resonance imaging of the brain (Study 2, which was a "proof-of-principle"), adversity was associated with changes in diversity (both alpha and beta) of microbial communities, and bacteria levels (adversity-associated and adversity-independent) were correlated with prefrontal cortex activation to emotional faces. Implications of these data for supporting youth mental health are discussed. En ligne : http://dx.doi.org/10.1017/s0954579419000087 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=416

Positive valence bias and parent–child relationship security moderate the association between early institutional caregiving and internalizing symptoms / Michelle R. VANTIEGHEM in Development and Psychopathology, 29-2 (May 2017)  

Public ISBD [article]  inDevelopment and Psychopathology > 29-2 (May 2017) . - p.519-533 Titre : Positive valence bias and parent–child relationship security moderate the association between early institutional caregiving and internalizing symptoms Type de document : Texte imprimé et/ou numérique Auteurs : Michelle R. VANTIEGHEM, Auteur ; Laurel GABARD-DURNAM, Auteur ; Bonnie GOFF, Auteur ; Jessica FLANNERY, Auteur ; Kathryn L. HUMPHREYS, Auteur ; Eva H. TELZER, Auteur ; Christina CALDERA, Auteur ; Jennifer Y. LOUIE, Auteur ; Mor SHAPIRO, Auteur ; Niall BOLGER, Auteur ; Nim TOTTENHAM, Auteur Article en page(s) : p.519-533 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Institutional caregiving is associated with significant deviations from species-expected caregiving, altering the normative sequence of attachment formation and placing children at risk for long-term emotional difficulties. However, little is known about factors that can promote resilience following early institutional caregiving. In the current study, we investigated how adaptations in affective processing (i.e., positive valence bias) and family-level protective factors (i.e., secure parent–child relationships) moderate risk for internalizing symptoms in previously institutionalized (PI) youth. Children and adolescents with and without a history of institutional care performed a laboratory-based affective processing task and self-reported measures of parent–child relationship security. PI youth were more likely than comparison youth to show positive valence biases when interpreting ambiguous facial expressions. Both positive valence bias and parent–child relationship security moderated the association between institutional care and parent-reported internalizing symptoms, such that greater positive valence bias and more secure parent–child relationships predicted fewer symptoms in PI youth. However, when both factors were tested concurrently, parent–child relationship security more strongly moderated the link between PI status and internalizing symptoms. These findings suggest that both individual-level adaptations in affective processing and family-level factors of secure parent–child relationships may ameliorate risk for internalizing psychopathology following early institutional caregiving. En ligne : http://dx.doi.org/10.1017/s0954579417000153 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=305 [article] Positive valence bias and parent–child relationship security moderate the association between early institutional caregiving and internalizing symptoms [Texte imprimé et/ou numérique] / Michelle R. VANTIEGHEM, Auteur ; Laurel GABARD-DURNAM, Auteur ; Bonnie GOFF, Auteur ; Jessica FLANNERY, Auteur ; Kathryn L. HUMPHREYS, Auteur ; Eva H. TELZER, Auteur ; Christina CALDERA, Auteur ; Jennifer Y. LOUIE, Auteur ; Mor SHAPIRO, Auteur ; Niall BOLGER, Auteur ; Nim TOTTENHAM, Auteur . - p.519-533. Langues : Anglais (eng) in Development and Psychopathology > 29-2 (May 2017) . - p.519-533 Index. décimale : PER Périodiques Résumé : Institutional caregiving is associated with significant deviations from species-expected caregiving, altering the normative sequence of attachment formation and placing children at risk for long-term emotional difficulties. However, little is known about factors that can promote resilience following early institutional caregiving. In the current study, we investigated how adaptations in affective processing (i.e., positive valence bias) and family-level protective factors (i.e., secure parent–child relationships) moderate risk for internalizing symptoms in previously institutionalized (PI) youth. Children and adolescents with and without a history of institutional care performed a laboratory-based affective processing task and self-reported measures of parent–child relationship security. PI youth were more likely than comparison youth to show positive valence biases when interpreting ambiguous facial expressions. Both positive valence bias and parent–child relationship security moderated the association between institutional care and parent-reported internalizing symptoms, such that greater positive valence bias and more secure parent–child relationships predicted fewer symptoms in PI youth. However, when both factors were tested concurrently, parent–child relationship security more strongly moderated the link between PI status and internalizing symptoms. These findings suggest that both individual-level adaptations in affective processing and family-level factors of secure parent–child relationships may ameliorate risk for internalizing psychopathology following early institutional caregiving. En ligne : http://dx.doi.org/10.1017/s0954579417000153 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=305

---

1 (1 - 5 / 5)