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Détail de l'auteur
Auteur Louis A. SCHMIDT |
Documents disponibles écrits par cet auteur (18)
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Small for gestational age and poor fluid intelligence in childhood predict externalizing behaviors among young adults born at extremely low birth weight / Ayelet LAHAT in Development and Psychopathology, 27-1 (February 2015)
[article]
Titre : Small for gestational age and poor fluid intelligence in childhood predict externalizing behaviors among young adults born at extremely low birth weight Type de document : Texte imprimé et/ou numérique Auteurs : Ayelet LAHAT, Auteur ; Ryan J. VAN LIESHOUT, Auteur ; Saroj SAIGAL, Auteur ; Michael H. BOYLE, Auteur ; Louis A. SCHMIDT, Auteur Article en page(s) : p.181-188 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Although infants born at extremely low birth weight (ELBW; birth weight < 1000 g) are at increased risk for developing later psychopathology, the mechanisms contributing to this association are largely unknown. In the present study, we examined a putative cognitive link to psychopathology in a cohort of ELBW survivors. These individuals were followed up prospectively at age 8 and again at ages 22–26. At 8 years, participants completed measures of fluid and general intelligence. As young adults, a subset of ELBW survivors free of major neurosensory impairments provided self-reports of personality characteristics related to psychopathology. Data from 66 participants indicated that, as predicted, the association between ELBW and externalizing behaviors was moderated by fluid intelligence. Specifically, ELBW individuals with poor fluid intelligence who were born small for gestational age (birth weight < 10th percentile for gestational age) showed the highest level of externalizing behaviors. These findings provide support for a cumulative risk model and suggest that fluid intelligence might be a cognitive mechanism contributing to the development of psychopathology among nonimpaired individuals who were born at ELBW and small for gestational age. En ligne : http://dx.doi.org/10.1017/S0954579414000662 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=257
in Development and Psychopathology > 27-1 (February 2015) . - p.181-188[article] Small for gestational age and poor fluid intelligence in childhood predict externalizing behaviors among young adults born at extremely low birth weight [Texte imprimé et/ou numérique] / Ayelet LAHAT, Auteur ; Ryan J. VAN LIESHOUT, Auteur ; Saroj SAIGAL, Auteur ; Michael H. BOYLE, Auteur ; Louis A. SCHMIDT, Auteur . - p.181-188.
Langues : Anglais (eng)
in Development and Psychopathology > 27-1 (February 2015) . - p.181-188
Index. décimale : PER Périodiques Résumé : Although infants born at extremely low birth weight (ELBW; birth weight < 1000 g) are at increased risk for developing later psychopathology, the mechanisms contributing to this association are largely unknown. In the present study, we examined a putative cognitive link to psychopathology in a cohort of ELBW survivors. These individuals were followed up prospectively at age 8 and again at ages 22–26. At 8 years, participants completed measures of fluid and general intelligence. As young adults, a subset of ELBW survivors free of major neurosensory impairments provided self-reports of personality characteristics related to psychopathology. Data from 66 participants indicated that, as predicted, the association between ELBW and externalizing behaviors was moderated by fluid intelligence. Specifically, ELBW individuals with poor fluid intelligence who were born small for gestational age (birth weight < 10th percentile for gestational age) showed the highest level of externalizing behaviors. These findings provide support for a cumulative risk model and suggest that fluid intelligence might be a cognitive mechanism contributing to the development of psychopathology among nonimpaired individuals who were born at ELBW and small for gestational age. En ligne : http://dx.doi.org/10.1017/S0954579414000662 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=257 Trajectories of psychopathology in extremely low birth weight survivors from early adolescence to adulthood: a 20-year longitudinal study / R. J. VAN LIESHOUT in Journal of Child Psychology and Psychiatry, 59-11 (November 2018)
[article]
Titre : Trajectories of psychopathology in extremely low birth weight survivors from early adolescence to adulthood: a 20-year longitudinal study Type de document : Texte imprimé et/ou numérique Auteurs : R. J. VAN LIESHOUT, Auteur ; M. A. FERRO, Auteur ; Louis A. SCHMIDT, Auteur ; Michael H. BOYLE, Auteur ; S. SAIGAL, Auteur ; K. M. MORRISON, Auteur ; K. J. MATHEWSON, Auteur Article en page(s) : p.1192-1200 Langues : Anglais (eng) Mots-clés : Extremely low birth weight adolescent adult internalizing disorder longitudinal studies Index. décimale : PER Périodiques Résumé : BACKGROUND: Individuals born extremely preterm are exposed to significant perinatal stresses that are associated with an increased risk of psychopathology. However, a paucity of longitudinal studies has prevented the empirical examination of long-term, dynamic effects of perinatal adversity on mental health. Here, internalizing and externalizing problems from adolescence through adulthood were compared in individuals born at extremely low birth weight (ELBW; <1,000 g) and normal birth weight (NBW; >2,500 g). METHODS: Internalizing and externalizing data were collected over 20 years in three waves, during adolescence, young adulthood, and adulthood. Growth models were used to compare longitudinal trajectories in a geographically based sample of 151 ELBW survivors and 137 NBW control participants born between 1977 and 1982 matched for age, sex, and socioeconomic status at age 8. RESULTS: After adjusting for sex, socioeconomic and immigrant status, and family functioning, ELBW survivors failed to show the normative, age-related decline in internalizing problems over time relative to their NBW peers (beta = .21; p < .01). Both groups exhibited small declines in externalizing problems over the same period. Self-esteem (but not physical health, IQ, or maternal mood) partially mediated the association between ELBW status and internalizing problems. CONCLUSIONS: Extremely low birth weight survivors experienced a blunting of the expected improvement in depression and anxiety from adolescence to adulthood. These findings suggest that altered physiological regulatory systems supporting emotional and cognitive processing may contribute to the maintenance of internalizing problems in this population. En ligne : http://dx.doi.org/10.1111/jcpp.12909 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=370
in Journal of Child Psychology and Psychiatry > 59-11 (November 2018) . - p.1192-1200[article] Trajectories of psychopathology in extremely low birth weight survivors from early adolescence to adulthood: a 20-year longitudinal study [Texte imprimé et/ou numérique] / R. J. VAN LIESHOUT, Auteur ; M. A. FERRO, Auteur ; Louis A. SCHMIDT, Auteur ; Michael H. BOYLE, Auteur ; S. SAIGAL, Auteur ; K. M. MORRISON, Auteur ; K. J. MATHEWSON, Auteur . - p.1192-1200.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 59-11 (November 2018) . - p.1192-1200
Mots-clés : Extremely low birth weight adolescent adult internalizing disorder longitudinal studies Index. décimale : PER Périodiques Résumé : BACKGROUND: Individuals born extremely preterm are exposed to significant perinatal stresses that are associated with an increased risk of psychopathology. However, a paucity of longitudinal studies has prevented the empirical examination of long-term, dynamic effects of perinatal adversity on mental health. Here, internalizing and externalizing problems from adolescence through adulthood were compared in individuals born at extremely low birth weight (ELBW; <1,000 g) and normal birth weight (NBW; >2,500 g). METHODS: Internalizing and externalizing data were collected over 20 years in three waves, during adolescence, young adulthood, and adulthood. Growth models were used to compare longitudinal trajectories in a geographically based sample of 151 ELBW survivors and 137 NBW control participants born between 1977 and 1982 matched for age, sex, and socioeconomic status at age 8. RESULTS: After adjusting for sex, socioeconomic and immigrant status, and family functioning, ELBW survivors failed to show the normative, age-related decline in internalizing problems over time relative to their NBW peers (beta = .21; p < .01). Both groups exhibited small declines in externalizing problems over the same period. Self-esteem (but not physical health, IQ, or maternal mood) partially mediated the association between ELBW status and internalizing problems. CONCLUSIONS: Extremely low birth weight survivors experienced a blunting of the expected improvement in depression and anxiety from adolescence to adulthood. These findings suggest that altered physiological regulatory systems supporting emotional and cognitive processing may contribute to the maintenance of internalizing problems in this population. En ligne : http://dx.doi.org/10.1111/jcpp.12909 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=370 Transacting brains: testing an actor–partner model of frontal EEG activity in mother–infant dyads / John E. KRZECZKOWSKI in Development and Psychopathology, 34-3 (August 2022)
[article]
Titre : Transacting brains: testing an actor–partner model of frontal EEG activity in mother–infant dyads Type de document : Texte imprimé et/ou numérique Auteurs : John E. KRZECZKOWSKI, Auteur ; Ryan J. VAN LIESHOUT, Auteur ; Louis A. SCHMIDT, Auteur Article en page(s) : p.969-980 Langues : Anglais (eng) Mots-clés : mother–infant dyads mothers simultaneous frontal EEG asymmetry socioemotional development transactional models Index. décimale : PER Périodiques Résumé : Studies have long observed the bidirectional nature of mother “infant relationships. While behavioral studies have shown that mothers high in social avoidance tendencies can influence the development of these traits in their offspring, the neurophysiological mechanisms underlying this phenomenon, and the role that the infants play, are not well understood. Here we acquired frontal electroencephalogram asymmetry (FA) data simultaneously in 40 mother “infant dyads (Mage mother = 31.6 years; Mage infant = 9 months). Using an actor “partner interdependence model, we examined whether mother (or infant) resting-state FA predicted infant (or mother) FA during two subsequent emotion-eliciting conditions (happy and fear). Maternal social approach versus avoidance traits were assessed as moderators to examine the impact of maternal characteristics on these mother “infant FA relations. In dyads led by mothers with high social avoidance/low social approach characteristics, maternal resting-state FA predicted infant FA during both emotion-eliciting conditions. We did not observe any effects of infant FA on mothers. Therefore, we speculate that individual differences in FA patterns might be a putative brain mechanism through which socially avoidant mothers transfer affective/behavioral information to their infants. En ligne : http://dx.doi.org/10.1017/S0954579420001558 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=485
in Development and Psychopathology > 34-3 (August 2022) . - p.969-980[article] Transacting brains: testing an actor–partner model of frontal EEG activity in mother–infant dyads [Texte imprimé et/ou numérique] / John E. KRZECZKOWSKI, Auteur ; Ryan J. VAN LIESHOUT, Auteur ; Louis A. SCHMIDT, Auteur . - p.969-980.
Langues : Anglais (eng)
in Development and Psychopathology > 34-3 (August 2022) . - p.969-980
Mots-clés : mother–infant dyads mothers simultaneous frontal EEG asymmetry socioemotional development transactional models Index. décimale : PER Périodiques Résumé : Studies have long observed the bidirectional nature of mother “infant relationships. While behavioral studies have shown that mothers high in social avoidance tendencies can influence the development of these traits in their offspring, the neurophysiological mechanisms underlying this phenomenon, and the role that the infants play, are not well understood. Here we acquired frontal electroencephalogram asymmetry (FA) data simultaneously in 40 mother “infant dyads (Mage mother = 31.6 years; Mage infant = 9 months). Using an actor “partner interdependence model, we examined whether mother (or infant) resting-state FA predicted infant (or mother) FA during two subsequent emotion-eliciting conditions (happy and fear). Maternal social approach versus avoidance traits were assessed as moderators to examine the impact of maternal characteristics on these mother “infant FA relations. In dyads led by mothers with high social avoidance/low social approach characteristics, maternal resting-state FA predicted infant FA during both emotion-eliciting conditions. We did not observe any effects of infant FA on mothers. Therefore, we speculate that individual differences in FA patterns might be a putative brain mechanism through which socially avoidant mothers transfer affective/behavioral information to their infants. En ligne : http://dx.doi.org/10.1017/S0954579420001558 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=485