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1.
Dev Psychopathol ; : 1-13, 2024 Mar 15.
Artículo en Inglés | MEDLINE | ID: mdl-38487916

RESUMEN

Both cortical and parasympathetic systems are believed to regulate emotional arousal in the service of healthy development. Systemic coordination, or coupling, between putative regulatory functions begins in early childhood. Yet the degree of coupling between cortical and parasympathetic systems in young children remains unclear, particularly in relation to the development of typical or atypical emotion function. We tested whether cortical (ERN) and parasympathetic (respiratory sinus arrhythmia [RSA]) markers of regulation were coupled during cognitive challenge in preschoolers (N = 121). We found no main effect of RSA predicting ERN. We then tested children's typical and atypical emotion behavior (context-appropriate/context-inappropriate fear, anxiety symptoms, neuroendocrine reactivity) as moderators of early coupling in an effort to link patterns of coupling to adaptive emotional development. Negative coupling (i.e., smaller ERN, more RSA suppression or larger ERN, less RSA suppression) at age 3 was associated with greater atypical and less typical emotion behaviors, indicative of greater risk. Negative age 3 coupling was also visible for children who had greater Generalized Anxiety Disorder symptoms and blunted cortisol reactivity at age 5. Results suggest that negative coupling may reflect a maladaptive pattern across regulatory systems that is identifiable during the preschool years.

2.
Dev Psychopathol ; 35(4): 1756-1774, 2023 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-35574659

RESUMEN

Children's peer victimization trajectories and their longitudinal associations with externalizing and internalizing problems were investigated from Grades 2 to 5. Secondary data analysis was performed with the Early Childhood Longitudinal Study (ECLS-K-2011; n = 13,860, M age = 8.1 years old in the spring of Grade 2; 51.1% male, 46.7% White, 13.2% African-American, 25.3% Hispanic or Latino, 8.5% Asian, and 6.1% other or biracial). Children who experienced high and persistent levels of peer victimization (high-chronic victims) exhibited co-occurring externalizing and internalizing problems. Moreover, among high-chronic victims, boys had a more pronounced increase in their externalizing trajectories, and girls had greater increases in their social anxiety trajectories. In contrast, those with decreasing peer victimization across time exhibited signs of recovery, particularly with respect to their social anxiety. These findings elucidated how chronic, increasing, and decreasing victims exhibited distinct patterns in the co-occurring development of their externalizing and internalizing problems, and how findings varied depending on the form of problem behavior and by child sex.


Asunto(s)
Acoso Escolar , Trastornos de la Conducta Infantil , Víctimas de Crimen , Femenino , Humanos , Niño , Masculino , Preescolar , Estudios Longitudinales , Grupo Paritario
3.
Infant Ment Health J ; 44(2): 218-227, 2023 03.
Artículo en Inglés | MEDLINE | ID: mdl-36862383

RESUMEN

Nancy Suchman's work highlighted the fundamental role of maternal mentalization in maternal addiction, mental health, and caregiving challenges. In this study, we aimed to examine the role of mental-state language (MSL) as a measure of mentalization in prenatal and postnatal narratives and their sentiment in a sample of 91 primarily White mothers from the western United States, followed from the second trimester of pregnancy, through the third trimester, to 4 months postpartum. Specifically, we investigated the use of affective and cognitive MSL in prenatal narratives when mothers visualized caring for their baby and postnatal narratives when mothers compared their prenatal visualization to the current caregiving reality. Results indicated moderate consistency in MSL between the second and third trimesters, but prenatal and postnatal MSL was not significantly correlated. Across all time points, higher use of MSL was related to more positive sentiment, indicating an association between mentalization and positive caregiving representations across the perinatal period. Women used more affective than cognitive MSL in prenatal imagination of caregiving, but this pattern was reversed in their postpartum reflection. Implications on assessing parental mentalization prenatally and considering the relative dominance of affective and cognitive mentalizing are discussed while considering study limitations.


El trabajo de Nancy Suchman subrayó el papel fundamental de la mentalización maternal en la adicción materna, la salud mental y los retos de la prestación de cuidado. En este estudio, nos propusimos examinar el papel del lenguaje del estado mental como una medida de mentalización en las narrativas pre- y postnatales y su sentimiento en un grupo muestra de 91 madres primariamente blancas del oeste de los Estados Unidos, a quienes se les dio seguimiento a partir del segundo trimestre de embarazo, a través del tercer trimestre, hasta 4 meses después del parto. Específicamente, investigamos el uso de lenguaje del estado mental afectivo y cognitivo en las narrativas prenatales cuando las madres visualizaban el cuidado de su bebé, y las narrativas postnatales cuando las madres comparaban su visualización prenatal con la presente realidad de prestación de cuidado. Los resultados indicaron una consistencia moderada en el lenguaje del estado mental entre el segundo y tercer trimestres, pero el lenguaje del estado mental prenatal y postnatal no fue significativamente correlacionado. A los largo de todos los punto temporales, el más alto uso del lenguaje del estado mental se relacionó con un más positivo sentimiento, indicando así una asociación entre la mentalización y las representaciones positivas de la prestación de cuidado a lo largo del período perinatal. Las mujeres usaron más lenguaje del estado mental afectivo que cognitivo en la imaginación prenatal de la prestación de cuidado, pero este patrón se invirtió en sus reflexiones después del parto. Se discuten las implicaciones sobre el tener acceso a la mentalización del progenitor prenatalmente y considerar el relativo dominio del mentalizarse en lo afectivo y cognitivo, al tiempo que se consideran las limitaciones del estudio.


Le travail de Nancy Suchman a mis en lumière le rôle fondamental de la mentalisation maternelle dans l'addiction maternelle, la santé mentale et les défis de la prestation de soins. Dans cette étude nous nous sommes donné pour but d'examiner le rôle du langage d'état mental en tant que mesure de la mentalisation dans les narrations prénatales et postnatales et leur sentiment chez un échantillon de 91 mères dans l'ensemble blanches vivant dans l'ouest des Etats-Unis d'Amériques, et suivies du second trimestre de la grossesse, durant le troisième trimestre jusqu'à 4 mois après la naissance. Plus particulièrement nous nous sommes penchés sur l'utilisation du langage d'état mental affectif et cognitif dans des narrations prénatales lorsque les mères visualisaient les soins à leur bébé, et les narrations postnatales lorsque les mères comparaient leur visualisation prénatale à la réalité actuelle des soins au bébé. Les résultats ont indiqué une cohérence modérée dans le langage d'état mental entre les second et troisième trimestres mais le langage d'état mental prénatal et postnatal n'était pas significativement corrélé. Au travers de tous les points temporels l'utilisation plus grande de langage d'état mental était liée à un sentiment plus positif, indiquant un lien entre la mentalisation et les représentations positives des soins au travers de la période périnatale. Les femmes ont utilisé un langage d'état mentale plus affectif que cognitif dans l'imagination prénatale des soins, mais ce schéma était renversé dans leur réflexion postpartum. Les implications pour l'évaluation de la mentalisation parentale avant la naissance et pour la considération de la domination relative de la mentalisation affective et cognitive sont discutées, tout en considérant les limites de l'étude.


Asunto(s)
Relaciones Madre-Hijo , Madres , Embarazo , Lactante , Femenino , Humanos , Relaciones Madre-Hijo/psicología , Madres/psicología , Periodo Posparto/psicología , Lenguaje , Segundo Trimestre del Embarazo
4.
J Reprod Infant Psychol ; : 1-14, 2022 Aug 10.
Artículo en Inglés | MEDLINE | ID: mdl-35949103

RESUMEN

BACKGROUND: Stress during pregnancy can increase physical and mental health risks in parents and offspring. Emotion regulation (ER) may protect against prenatal stress; however, ER is understudied in expectant parents, particularly expectant fathers. This study aimed to evaluate associations between ER strategies (reappraisal, suppression, ratio of suppression-to-reappraisal) and perceived stress among expectant parents, and also test whether expectant mothers and fathers differed in ER strategy use and perceived stress levels. METHODS: N = 83 expectant parents (62.7% mothers) in the third trimester completed measures assessing perceived stress,reappraisal, and suppression. ANCOVA, hierarchical regression, and multilevel models were used to evaluate associations between ER strategies and perceived stress, and test for sex differences. RESULTS: Controlling for age and education, lower reappraisal and higher suppression were associated with higher perceived stress; in addition, higher suppression-to-reappraisal ratios were associated with greater perceived stress. Mothers and fathers did not differ in perceived stress, reappraisal, or suppression; however, suppression-to-reappraisal ratios significantly differed. CONCLUSION: Increasing ER skills such as reappraisal while reducing suppression may be beneficial for decreasing stress in expectant parents. Expectant fathers report similar levels of perceived stress to mothers and would benefit from prenatal mental health screening and intervention.

5.
Dev Psychobiol ; 63(6): e22172, 2021 09.
Artículo en Inglés | MEDLINE | ID: mdl-34343349

RESUMEN

Delta-beta coupling is increasingly used to understand early emotional development. However, little is known about the development of the coupling, limiting its utility for identifying normative or aberrant functioning. We used a prospective longitudinal sample (N = 122) to compare measures of within-person and between-person coupling between ages 3 and 5, track the developmental trajectory of coupling, identify individual differences in patterns of development, and explore emotion-related predictors and outcomes of discrete developmental patterns. Within-person measures, limited in overall utility, were most useful when (1) statistical approaches produced more homogenous groups within the overall sample (extreme groups or latent classes) or (2) the full developmental course was considered. We found two trajectories of change in frontal coupling and three trajectories of change in parietal coupling. Coupling trajectories were predicted by observed fear and approach/avoidance at age 3. In addition, high levels of frontal coupling at age 3 that declined and then levelled out through age 5 were associated with lower levels of internalizing by age 5. This work provides a foundation for understanding normative change in delta-beta coupling across the preschool years and useful insight for the use of this metric in future work.


Asunto(s)
Emociones , Individualidad , Preescolar , Miedo , Humanos , Estudios Prospectivos
6.
Infancy ; 26(3): 388-408, 2021 05.
Artículo en Inglés | MEDLINE | ID: mdl-33590694

RESUMEN

Maternal psychophysiological responses to toddlers' distress to novelty may have important implications for parenting during early childhood that are relevant to children's eventual development of social withdrawal and anxiety. Likely, these responses depend on intrapersonal, interpersonal, and contextual factors. The current study investigated the time course of respiratory sinus arrhythmia (RSA) across two laboratory novelty episodes, one low threat and one moderate threat, in 120 mothers of 2-year-old toddlers. Growth models tested context differences in and correlates of dynamic patterns of RSA. Dynamic patterns differed between tasks and according to mothers' perceptions of and distress about toddler shyness. Thus, changes in mothers' RSA across toddlers' interactions with novelty seem to depend on the context as well as how mothers perceive and respond to their toddlers' shyness.


Asunto(s)
Arritmia Sinusal Respiratoria , Ansiedad , Preescolar , Femenino , Humanos , Madres , Responsabilidad Parental , Timidez
7.
J Psychophysiol ; 34(3): 137-158, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-34024985

RESUMEN

There has been an unprecedented increase in the number of research studies employing event-related potential (ERP) techniques to examine dynamic and rapidly-occurring neural processes with children during the preschool and early childhood years. Despite this, there has been little discussion of the methodological and procedural differences that exist for studies of young children versus older children and adults. That is, reviewers, editors, and consumers of this work often expect developmental studies to simply apply adult techniques and procedures to younger samples. Procedurally, this creates unrealistic expectations for research paradigms, data collection, and data reduction and analyses. Scientifically, this leads to inappropriate measures and methods that hinder drawing conclusions and advancing theory. Based on ERP work with preschoolers and young children from 10 laboratories across North America, we present a summary of the most common ERP components under study in the area of emotion and cognition in young children along with 13 realistic expectations for data collection and loss, laboratory procedures and paradigms, data processing, ERP averaging, and typical challenges for conducting this type of work. This work is intended to supplement previous guidelines for work with adults and offer insights to aid researchers, reviewers, and editors in the design and evaluation of developmental research using ERPs. Here we make recommendations for researchers who plan to conduct or who are conducting ERP studies in children between ages 2 and 12, focusing on studies of toddlers and preschoolers. Recommendations are based on both data and our cumulative experience and include guidelines for laboratory setup, equipment and recording settings, task design, and data processing.

8.
Dev Psychobiol ; 62(4): 423-435, 2020 05.
Artículo en Inglés | MEDLINE | ID: mdl-31894583

RESUMEN

The developmental psychobiology of self-regulation in childhood has received increasing attention in recent years. As a next step in advancing research and theorizing about the processes by which early biological correlates of self-regulation are forged, a more nuanced consideration of the contexts in which these phenomena are embedded is needed. This review synthesizes insights from distinct but complementary approaches to studying the developmental psychobiology of early self-regulation, focusing on the idea of context at different time scales. Three types of context that differ in temporal resolution are considered: (a) The temporally immediate contexts occurring within a structured challenge, including the baseline-to-task context of reactive psychobiology, the within-task context of dynamic change, and the post-task context of recovery from challenge. (b) The temporally moderate contexts of task type, including variants like the specific emotion that is under study and whether the task involves (or allows for) self-regulatory behaviors. (c) The temporally chronic contexts of important social relationships within which children are embedded and developing. Future research efforts that incorporate a more nuanced appreciation for the temporal resolution of contexts in developmental psychobiology will allow for novel tests and refinement of theories of self-regulation, as well as other domains of child development.


Asunto(s)
Sistema Nervioso Autónomo/fisiología , Desarrollo Infantil/fisiología , Regulación Emocional/fisiología , Potenciales Evocados/fisiología , Arritmia Sinusal Respiratoria/fisiología , Autocontrol , Niño , Humanos
9.
J Res Adolesc ; 30(1): 126-141, 2020 03.
Artículo en Inglés | MEDLINE | ID: mdl-31095814

RESUMEN

Symptoms of attention-deficit/hyperactivity disorder (ADHD) and anxiety are common during adolescence and frequently co-occur. However, the genetic and environmental influences that underlie this co-occurrence are understudied. Using a large twin sample (N = 1,017), we examined cross-sectional genetic and environmental influences on ADHD and anxiety symptoms during childhood. We also explored whether these influences were shared with attentional control, a putative mechanism for symptom comorbidity. We found evidence for common genetic and nonshared environmental influences on the covariation among attentional control, ADHD, and anxiety symptoms, supporting the putative role of attentional control as a mechanism by which comorbid problems may develop. Genetic factors also accounted for symptom co-occurrence after controlling for covariation with attentional control, suggesting the presence of additional unmeasured mechanisms.


Asunto(s)
Ansiedad/complicaciones , Trastorno por Déficit de Atención con Hiperactividad/complicaciones , Atención , Adolescente , Ansiedad/diagnóstico , Ansiedad/genética , Trastorno por Déficit de Atención con Hiperactividad/diagnóstico , Trastorno por Déficit de Atención con Hiperactividad/genética , Niño , Estudios Transversales , Femenino , Humanos , Estudios Longitudinales , Masculino , Gemelos
10.
Behav Genet ; 49(2): 168-174, 2019 03.
Artículo en Inglés | MEDLINE | ID: mdl-29922983

RESUMEN

In this paper, we provide an overview of our ongoing project in the Genetics and Human Agency Initiative sponsored by the John Templeton Foundation. Our project focuses on the ways that lay beliefs about the heritability of virtue influence reasoning about the nature of virtue, parenting behaviors, and the development of virtue in children. First, we provide philosophical perspectives on the nature of virtue and suggest that viewing virtue as a malleable skill may have important advantages. Next, we review theory and research that highlights the ways that lay heritability beliefs potentially undermine conceptualizations of virtue as a malleable skill. Finally, we discuss how lay heritability beliefs might ultimately affect parent-child interactions and child virtue development. The paper thus provides a brief description our project's theoretical foundation and a general look at the empirical questions it will tackle.


Asunto(s)
Cultura , Genes , Patrón de Herencia/genética , Virtudes , Humanos , Responsabilidad Parental
11.
Twin Res Hum Genet ; 22(4): 233-239, 2019 08.
Artículo en Inglés | MEDLINE | ID: mdl-31498059

RESUMEN

The Wisconsin Twin Project comprises multiple longitudinal studies that span infancy to early adulthood. We summarize recent papers that show how twin designs with deep phenotyping, including biological measures, can inform questions about phenotypic structure, etiology, comorbidity, heterogeneity, and gene-environment interplay of temperamental constructs and mental and physical health conditions of children and adolescents. The general framework for investigations begins with rich characterization of early temperament and follows with study of experiences and exposures across childhood and adolescence. Many studies incorporate neuroimaging and hormone assays.


Asunto(s)
Síntomas Afectivos/genética , Enfermedades en Gemelos/genética , Trastornos del Humor/genética , Gemelos/genética , Adolescente , Adulto , Síntomas Afectivos/fisiopatología , Síntomas Afectivos/psicología , Niño , Enfermedades en Gemelos/epidemiología , Femenino , Humanos , Estudios Longitudinales , Masculino , Trastornos del Humor/fisiopatología , Trastornos del Humor/psicología , Neurociencias/tendencias , Fenotipo , Psicología del Desarrollo/tendencias , Psicopatología/tendencias , Temperamento/fisiología , Wisconsin
12.
Child Dev ; 89(3): 725-733, 2018 05.
Artículo en Inglés | MEDLINE | ID: mdl-29611867

RESUMEN

The development self-regulation has been called a primary task of childhood. One system of self-regulation, self-monitoring, is indexed at the level of neural activity as early as preschool as the error-related negativity (ERN). However, how context elicits developmental changes in neural processes of self-monitoring like the ERN is not well understood. Here, socioeconomic status (SES) and parenting were tested as environmental influences on ERN development between ages 3 and 4 (N = 119). Results showed the expected increases in ERN between ages 3 and 4 only when both maternal sensitivity and SES were high. This work demonstrates the importance of considering the early environment in order to understand the development of a neural process supporting self-regulation in young children.


Asunto(s)
Corteza Cerebral/fisiología , Desarrollo Infantil/fisiología , Potenciales Evocados/fisiología , Función Ejecutiva/fisiología , Conducta Materna/psicología , Responsabilidad Parental/psicología , Autocontrol , Clase Social , Preescolar , Electroencefalografía , Femenino , Humanos , Estudios Longitudinales , Masculino
13.
Dev Psychopathol ; 29(3): 1119-1130, 2017 08.
Artículo en Inglés | MEDLINE | ID: mdl-28318454

RESUMEN

Although a robust literature has linked stable, high levels of fear across childhood to increased risk for anxiety problems, less is known about alternative pathways to anxiety. We tested two putatively normative developmental pathways of early fearfulness for their distinct associations with behavioral (anxiety-related behaviors and symptoms) and biological (diurnal cortisol) markers of anxiety risk in middle childhood in a community-based sample (n = 107). Steeper increases in fear from 6 to 36 months predicted more parent-reported anxiety symptoms at age 8 years. In addition, children who exhibited steep increases in fear during infancy were overrepresented among children with diagnoses of separation anxiety disorder at age 8 years. Finally, we showed that steeper increases in fearfulness in infancy predicted flatter slopes of diurnal cortisol at age 8 years for girls. Thus, differences in stranger fear across infancy may indicate varying degrees of risk for anxious behaviors in later childhood.


Asunto(s)
Ansiedad de Separación , Ansiedad , Conducta Infantil/fisiología , Ritmo Circadiano/fisiología , Miedo/fisiología , Hidrocortisona/metabolismo , Ansiedad/etiología , Ansiedad/metabolismo , Ansiedad/fisiopatología , Ansiedad de Separación/etiología , Ansiedad de Separación/metabolismo , Ansiedad de Separación/fisiopatología , Niño , Preescolar , Femenino , Humanos , Lactante , Masculino , Factores Sexuales
15.
J Exp Child Psychol ; 142: 274-90, 2016 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-26422661

RESUMEN

Maternal negative affect in the early environment is believed to sensitize long-term coping capacities in children. Yet, little work has identified physiological systems associated with coping responses, which may serve as mechanisms for links between early maternal negativity and child outcomes. Using a longitudinal twin sample (N=89), we found that high levels of maternal negative affect during infancy were associated with dysregulation of diurnal cortisol and electroencephalograph (EEG) asymmetry, two physiological systems that may support active approach-oriented coping when children are 7years old. Flattened slopes of diurnal cortisol were also associated with greater numbers of concurrent overanxious behaviors in children. A mediation analysis supported the role of dysregulated diurnal cortisol as a mediator of the link between maternal negative affect in the early environment and childhood risk for anxiety problems.


Asunto(s)
Adaptación Psicológica/fisiología , Afecto/fisiología , Ritmo Circadiano/fisiología , Hidrocortisona/análisis , Relaciones Madre-Hijo/psicología , Madres/psicología , Adulto , Ansiedad/fisiopatología , Ansiedad/psicología , Encéfalo/fisiopatología , Niño , Electroencefalografía , Familia , Femenino , Humanos , Lactante , Estudios Longitudinales , Masculino , Saliva/química , Gemelos/psicología
16.
Dev Psychobiol ; 58(3): 406-18, 2016 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-26566605

RESUMEN

Although evidence suggests that delta-beta coupling may provide a useful index of trait level cortico-subcortical cross talk in baseline contexts, there has been little work done to clarify the role of delta-beta coupling across contexts and in association with other physiological markers of emotion processing. We examined whether individual differences in coupling were visible across both positive and negative emotion-eliciting episodes during infancy (age 6 months). We also tested the convergence between measures of delta-beta coupling and neuroendocrine reactivity, which is also believed to index emotion processing. Patterns of coupling across emotion-eliciting episodes differed based on infants' levels of cortisol reactivity. Low cortisol-reactive infants largely did not show differences in coupling across emotion contexts while high cortisol-reactive infants showed greater coupling in non-fear contexts during baseline and fear episodes. Moreover, high cortisol-reactive infants showed greater coupling than low-reactive infants in non-positive episodes.


Asunto(s)
Ritmo beta/fisiología , Ritmo Delta/fisiología , Sincronización de Fase en Electroencefalografía/fisiología , Emociones/fisiología , Hidrocortisona/metabolismo , Sistemas Neurosecretores/fisiopatología , Femenino , Humanos , Lactante , Masculino , Sistemas Neurosecretores/metabolismo , Saliva/química
17.
Dev Psychopathol ; 26(2): 347-59, 2014 May.
Artículo en Inglés | MEDLINE | ID: mdl-24472311

RESUMEN

Attention control plays an important role in the development of internalizing symptoms in children. We explored the degree to which infants' genetic and environmentally based risk moderated the link between attention control and internalizing problems during toddlerhood. These associations were examined within a prospective adoption design, enabling the disentanglement of genetic and environmental risk for internalizing problems. Attention control in adopted infants was observed during periods of distress at age 9 months. Birth parents' anxiety symptoms were used as an index of genetic risk, while adoptive parents' anxiety symptoms were used as an index of environmental risk. Adoptive mothers and fathers reported on children's internalizing problems when children were 18 and 27 months old. Greater attention control in infancy appeared to mitigate genetically based risk for internalizing problems during toddlerhood when children were raised by adoptive parents who were low in anxiety. Findings suggest that for genetically susceptible children who are raised in low-risk environments, attention control may provide a protective factor against developing internalizing problems across early life.


Asunto(s)
Ansiedad/psicología , Atención , Padres/psicología , Psicología Infantil , Adopción/psicología , Ansiedad/etiología , Ansiedad/genética , Hijo de Padres Discapacitados/psicología , Preescolar , Humanos , Lactante , Estudios Longitudinales , Masculino , Escalas de Valoración Psiquiátrica , Factores de Riesgo
19.
Biol Psychol ; 186: 108738, 2024 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-38142923

RESUMEN

Emotion regulation (ER) is critical for children's healthy socio-emotional development, in part through its modulation of negative emotions that might otherwise place children at risk for psychopathology. The cognitive ER strategy of reappraisal appears to be particularly protective against the development of symptoms of anxiety and depression during childhood. Despite widespread acceptance of the benefits of reappraisal for children's long-term affective function, little is known about the developmental mechanisms that support emerging reappraisal in young children. Proximal mechanisms supporting reappraisal include biological processes; the modulation of reactivity to negative emotional stimuli is visible at the neural level through the Late Positive Potential (LPP). Influences on the developmental course of mechanisms like the LPP almost certainly include contextual factors, including quality of the environment, which have been largely ignored in work to date. The present study included a test of early (age 3-4) socioeconomic status (SES) as a moderator of children's reappraisal, evidenced by differences in the LPP to passive view and reappraisal conditions, at age 5. Results supported the presence of moderation. Reappraisal was visible as differences in LPP across conditions at high, but not low, levels of SES. Findings offer a foundation for delineating the development of reappraisal and understanding contexts that may promote preschoolers' reappraisal. Results also contribute to the delineation of the role of early psychophysiological markers in affective function and early risk for psychopathology.


Asunto(s)
Electroencefalografía , Potenciales Evocados , Niño , Humanos , Preescolar , Electroencefalografía/métodos , Potenciales Evocados/fisiología , Cognición/fisiología , Emociones/fisiología , Clase Social
20.
Dev Sci ; 16(6): 864-78, 2013 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-24118713

RESUMEN

Despite implications that stranger fear is an important aspect of developing behavioral inhibition, a known risk factor for anxiety, normative and atypical developmental trajectories of stranger fear across infancy and toddlerhood remain understudied. We used a large, longitudinal data set (N = 1285) including multi-trait, multi-method assessments of temperament to examine the normative course of development for stranger fear and to explore the possibility that individual differences exist in trajectories of stranger fear development between 6 and 36 months of age. A latent class growth analysis suggested four different trajectories of stranger fear during this period. Stable, high levels of stranger fear over time were associated with poorer RSA suppression at 6 months of age. Rates of concordance in trajectory-based class membership for identical (monozygotic) and fraternal (dizygotic) twins, along with associations between atypical stranger fear development and greater anxiety-related maternal characteristics, suggested that individual differences in developmental trajectories of stranger fear may be heritable. Importantly, trajectories of stranger fear during infancy and toddlerhood were linked to individual differences in behavioral inhibition, with chronically high levels of stranger fear and sharp increases in stranger fear over time related to greater levels of inhibition than other developmental trajectories.


Asunto(s)
Ansiedad/psicología , Desarrollo Infantil , Miedo/psicología , Individualidad , Preescolar , Femenino , Humanos , Lactante , Masculino , Padres/psicología , Encuestas y Cuestionarios , Temperamento
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