scholarly journals Prenatal exposure to mercury and neuropsychological development in young children: the role of fish consumption

2016 ◽  
pp. dyw259 ◽  
Author(s):  
Sabrina Llop ◽  
Ferran Ballester ◽  
Mario Murcia ◽  
Joan Forns ◽  
Adonina Tardon ◽  
...  
Keyword(s):  
Young Children ◽  
Prenatal Exposure ◽  
Fish Consumption ◽  
Neuropsychological Development

scholarly journals Causal Effects of Prenatal Exposure to PM2.5 on Child Development and the Role of Unobserved Confounding

2019 ◽  
Vol 16 (22) ◽  
pp. 4381 ◽  
Author(s):  
Viola Tozzi ◽  
Aitana Lertxundi ◽  
Jesus M. Ibarluzea ◽  
Michela Baccini
Keyword(s):  
Prenatal Exposure ◽  
Observational Studies ◽  
Causal Effect ◽  
Airborne Particles ◽  
Sensitivity Analyses ◽  
Implicit Assumption ◽  
Neuropsychological Development ◽  
High Concentrations ◽  
Unmeasured Confounders

Prenatal exposure to airborne particles is a potential risk factor for infant neuropsychological development. This issue is usually explored by regression analysis under the implicit assumption that all relevant confounders are accounted for. Our aim is to estimate the causal effect of prenatal exposure to high concentrations of airborne particles with a diameter < 2.5 µm (PM2.5) on children’s psychomotor and mental scores in a birth cohort from Gipuzkoa (Spain), and investigate the robustness of the results to possible unobserved confounding. We adopted the propensity score matching approach and performed sensitivity analyses comparing the actual effect estimates with those obtained after adjusting for unobserved confounders simulated to have different strengths. On average, mental and psychomotor scores decreased of −2.47 (90% CI: −7.22; 2.28) and −3.18 (90% CI: −7.61; 1.25) points when the prenatal exposure was ≥17 μg/m3 (median). These estimates were robust to the presence of unmeasured confounders having strength similar to that of the observed ones. The plausibility of having omitted a confounder strong enough to drive the estimates to zero was poor. The sensitivity analyses conferred solidity to our findings, despite the large sampling variability. This kind of sensitivity analysis should be routinely implemented in observational studies, especially in exploring new relationships.

Developmental foundations of externalizing problems in young children: The role of effortful control

2002 ◽  
Author(s):  
Sheryl L. Olson ◽  
Arnold J. Sameroff ◽  
David C. Kerr ◽  
Nestor L. Lopez
Keyword(s):  
Young Children ◽  
Externalizing Problems ◽  
Effortful Control

scholarly journals Psychosocial Obstacles in Young Children Argumentative Interactions

2021 ◽  
Vol 11 (5) ◽  
pp. 224
Author(s):  
Josephine Convertini
Keyword(s):  
Preschool Children ◽  
Young Children ◽  
Social Dynamics ◽  
Learning Processes ◽  
Self Perception ◽  
Complex Activity ◽  
Group I

Argumentation is an important aspect in the field of education because of its impact on learning processes. At the same time, argumentation is a complex activity in terms of cognitive, relational, emotional and social dynamics. In this paper, I investigate and I describe possible difficulties encountered by children during the argumentative process. The study involves 25 preschool children at a kindergarten engaged in three building tasks. The tasks were video-recorded and the argumentative discussions transcribed. For the aim of this paper, I analyze how argumentation are distributed among participants. I select interactions in which participants apparently do not argue or there are differences in the degree of argumentative participation between participants of the same group. I analyze these interactions and moments of impasse in the argumentative steps. The findings show how the simplicity of solving the task (e.g., when children do not encounter any problem in completing the activity) and the children’s self-perception of their competences in solving the task may have an impact on argumentation activities. Moreover, this perception is co-constructed by children within the interaction. The study contributes to the line of research on designing argumentation and highlights the role of the adult in managing children’s interactions.

The role of sweeteners in the diet of young children

1997 ◽  
Vol 24 (4) ◽  
pp. 243-247
Author(s):  
LuAnn Soliah ◽  
Janelle Walter ◽  
Thomas Parks ◽  
Kathleen Bevill ◽  
Bernadette Haschke
Keyword(s):  
Young Children

The role of production practice in lexical and phonological development – a commentary on Stoel-Gammon's ‘Relationships between lexical and phonological development in young children’*

2010 ◽  
Vol 38 (1) ◽  
pp. 41-45 ◽  
Author(s):  
MARILYN VIHMAN ◽  
TAMAR KEREN-PORTNOY
Keyword(s):  
Individual Differences ◽  
Young Children ◽  
Current Work ◽  
Phonological Development ◽  
Phonological Learning ◽  
Production Practice ◽  
The Relationship

Carol Stoel-Gammon has made a real contribution in bringing together two fields that are not generally jointly addressed. Like Stoel-Gammon, we have long focused on individual differences in phonological development (e.g. Vihman, Ferguson & Elbert, 1986; Vihman, Boysson-Bardies, Durand & Sundberg, 1994; Keren-Portnoy, Majorano & Vihman, 2008). And like her, we have been closely concerned with the relationship between lexical and phonological learning. Accordingly, we will focus our discussion on two areas covered by Stoel-Gammon (this issue) on which our current work may shed some additional light.

scholarly journals Gender Differences in Identities and Their Sociostructural Correlates: How Gendered Lives Shape Parental and Work Identities

2016 ◽  
Vol 38 (13) ◽  
pp. 1852-1877 ◽  
Author(s):  
Ruth Gaunt ◽  
Jacqueline Scott
Keyword(s):  
Gender Differences ◽  
Young Children ◽  
Interactive Effects ◽  
Paid Work ◽  
Work Identity ◽  
Dual Earner ◽  
Identity Centrality ◽  
Parental Identity ◽  
Moderating Role

This study draws on identity theory to explore parental and work identities. It examined gender differences in identities, as well as the moderating role of gender in the effects of individuals’ sociostructural characteristics. A sample of 148 couples with young children completed extensive questionnaires. As hypothesized, couples’ paid-work strategy moderated gender differences in the salience and centrality of parental and work identities. Whereas significant differences in identities were found between stay-at-home mothers and their breadwinning husbands, no differences were found among dual-earner couples. Moreover, men’s work identity centrality increased when they had more and younger children, whereas women’s work identity centrality decreased. Finally, men’s parental identity centrality increased with their income, whereas women’s parental identity centrality decreased the more they earned. These findings attest to the importance of examining differences within as well as between genders, by taking into account the interactive effects of gender with other sociostructural characteristics.

Prenatal exposure to persistent organic pollutants as a risk factor of offspring metabolic syndrome development during childhood

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Marlene Cervantes González
Keyword(s):  
Metabolic Syndrome ◽  
Organic Pollutants ◽  
Prenatal Exposure ◽  
Persistent Organic Pollutants ◽  
Animal Studies ◽  
Polychlorinated Biphenyl ◽  
Environmental Pollutants ◽  
Epidemiological Studies ◽  
Experimental Findings

Abstract Persistent Organic Pollutants (POPs) are exogenous, artificially made chemicals that can disrupt the biological system of individuals and animals. POPs encompass a variety of chemicals including, dioxins, organochlorines (OCs), polychlorinated biphenyl (PCBs), and perfluoroalkyl substances (PFASs) that contain a long half-life and highly resistant to biodegradation. These environmental pollutants accumulate over time in adipose tissues of living organisms and alter various insulin function-related genes. Childhood Metabolic Syndrome (MetS) consists of multiple cardiovascular risk factors, insulin function being one of them. Over the years, the incidence of the syndrome has increased dramatically. It is imperative to explore the role of persistent organic pollutants in the development of Childhood Metabolic Syndrome. Some epidemiological studies have reported an association between prenatal exposure to POPs and offspring MetS development throughout childhood. These findings have been replicated in animal studies in which these pollutants exercise negative health outcomes such as obesity and increased waist circumference. This review discusses the role of prenatal exposure to POPs among offspring who develop MetS in childhood, the latest research on the MetS concept, epidemiological and experimental findings on MetS, and the POPs modes of action. This literature review identified consistent research results on this topic. Even though the studies in this review had many strengths, one major weakness was the usage of different combinations of MetS criteria to measure the outcomes. These findings elucidate the urgent need to solidify the pediatric MetS definition. An accurate definition will permit scientists to measure the MetS as a health outcome properly and allow clinicians to diagnose pediatric MetS and provide individualized treatment appropriately.

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