Peer Exclusion in Preschool Children\u27s Play: Naturalistic Observations in a Playground Setting

To better understand peer exclusion in young children, 42 four- to six-year-olds were observed in an outdoor setting, and their verbalizations were recorded using wireless microphones. The frequency of peer exclusion and social aggression, the various techniques children used to exclude their peers (unmitigated, mitigated, ignoring, and planning exclusion) and the relation of gender and social status (acceptance, rejection, and dominance scores) to children\u27s use of exclusion were examined. Peer exclusion occurred frequently, whereas nonexclusionary forms of social aggression were rare. More dominant boys, less rejected boys, and more rejected girls excluded peers more frequently than did other children. Children who were more socially accepted tended to more frequently ignore their peers to exclude them. All girls and boys who were more socially accepted used higher rates of mitigated, subtle forms of exclusion. In addition, boys who were more dominant used higher rates of unmitigated, direct peer exclusion

Fathers' attachment representations and infant feeding practices.

This study examined how fathers' adult attachment representations, assessed before the birth of their first child, predict feeding practices with their 8-month-old infants. Fathers have been underrepresented in child feeding research, particularly in longitudinal and observational studies. Feeding is a key parenting task of infancy and a growing number of studies have begun to explore the connection between attachment and parental feeding practices and behavior, revealing a clear link between mothers' adult attachment and how they feed their children. This is the first longitudinal examination of attachment as a prenatal predictor of fathers' infant feeding behavior. Participants were 118 first-time fathers and their infants. Adult Attachment Interviews were conducted in the third trimester of pregnancy, and father-infant feeding interactions were observed at home when the infant was 8-months-old. Videotaped feedings were coded using Chatoor's Feeding Scale (1997). Compared to other fathers, (1) those with secure attachment representations were more attuned to their infants during feeding, (2) those with dismissing representations were less attuned, and (3) those with unresolved trauma displayed more controlling behaviors. Fathers were more controlling with their sons than their daughters across all attachment representations. Study results suggest that father's infant feeding behaviors may influence by their own attachment representations. The links to fathers' controlling feeding practices are noteworthy because of the negative implications controlling parental feeding practices can have on child outcomes. The prediction of paternal feeding behaviors from assessments conducted prenatally has important intervention implications

Parental Influences on Children's Self-Regulation of Energy Intake: Insights from Developmental Literature on Emotion Regulation

The following article examines the role of parents in the development of children's self-regulation of energy intake. Various paths of parental influence are offered based on the literature on parental influences on children's emotion self-regulation. The parental paths include modeling, responses to children's behavior, assistance in helping children self-regulate, and motivating children through rewards and punishments. Additionally, sources of variation in parental influences on regulation are examined, including parenting style, child temperament, and child-parent attachment security. Parallels in the nature of parents' role in socializing children's regulation of emotions and energy intake are examined. Implications for future research are discussed

Microbial Interactions With Dissolved Organic Matter Drive Carbon Dynamics and Community Succession

Knowledge of dynamic interactions between natural organic matter (NOM) and microbial communities is critical not only to delineate the routes of NOM degradation/transformation and carbon (C) fluxes, but also to understand microbial community evolution and succession in ecosystems. Yet, these processes in subsurface environments are usually studied independently, and a comprehensive view has been elusive thus far. In this study, we fed sediment-derived dissolved organic matter (DOM) to groundwater microbes and continually analyzed microbial transformation of DOM over a 50-day incubation. To document fine-scale changes in DOM chemistry, we applied high-resolution Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) and soft X-ray absorption spectroscopy (sXAS). We also monitored the trajectory of microbial biomass, community structure and activity over this time period. Together, these analyses provided an unprecedented comprehensive view of interactions between sediment-derived DOM and indigenous subsurface groundwater microbes. Microbial decomposition of labile C in DOM was immediately evident from biomass increase and total organic carbon (TOC) decrease. The change of microbial composition was closely related to DOM turnover: microbial community in early stages of incubation was influenced by relatively labile tannin- and protein-like compounds; while in later stages the community composition evolved to be most correlated with less labile lipid- and lignin-like compounds. These changes in microbial community structure and function, coupled with the contribution of microbial products to DOM pool affected the further transformation of DOM, culminating in stark changes to DOM composition over time. Our study demonstrates a distinct response of microbial communities to biotransformation of DOM, which improves our understanding of coupled interactions between sediment-derived DOM, microbial processes, and community structure in subsurface groundwater

Do toddlers prefer the primary caregiver or the parent with whom they feel more secure? The role of toddler emotion

This study tested Bowlby and Ainsworth’s hypothesis that a hierarchy of caregivers exists whereby infants prefer one caregiver over another when distressed. We examined parent gender (mother vs. father), primary caregiver status (defined as the parent who spent most time with the infant and performed most of the caregiving tasks), and role of toddlers’ history of attachment security with each parent, as predictors of toddlers’ preference for a particular caregiver when the toddlers are distressed and when they are content. Infants’ attachment security with each parent was assessed at 12–15 months. At 24 months, mother–child and father–child interactions were observed in triadic (mother, father, toddler) home interactions. When distressed, regardless of the security of their attachment to each parent, toddlers more often interacted with the primary caregiver. When content, toddlers did not show this preference. As expected, toddlers’ recovery from distress was predicted by their security of attachment with the parent whom they approached when distressed

L'attaccamento va in tribunale: protezione e affidamento dei minori

In molti contesti professionali, compreso quello del Tribunale per i minorenni, si fa riferimento alla teoria dell’attaccamento e alla relativa ricerca, con fraintendimenti ampiamente diffusi che spesso si traducono in applicazioni scorrette. La finalità di questa dichiarazione di consenso è, pertanto, quella di migliorarne la comprensione, contrastare la disinformazione a riguardo e guidarne l’uso nel contesto del tribunale per i minorenni secondo una modalità basata sulle evidenze, considerando in particolare i processi decisionali circa la protezione e l’affidamento dei minori. L’articolo è diviso in due parti. Nella prima ci occupiamo dei problemi relativi all’utilizzo di teoria e ricerca sull’attaccamento nel contesto del Tribunale per i minorenni e ne discutiamo le ragioni. A questo proposito, esaminiamo le applicazioni della teoria che si ispirano al principio elettivo del superiore interesse del minore, discutiamo i fraintendimenti a riguardo e identifichiamo i fattori che ne hanno ostacolato un’accurata implementazione. Nella seconda parte, forniamo indicazioni per una sua adeguata e corretta applicazione. A tal fine, siamo partiti da tre principi di riferimento: il bisogno del bambino di caregiver familiari e non abusanti, il valore della continuità di cure sufficientemente buone e i benefici delle reti di relazioni di attaccamento. Discutiamo, inoltre, di quanto le valutazioni sulla qualità dell’attaccamento e sul comportamento di cura siano adeguate a ispirare i processi decisionali forensi rivolti ai minori. Concludiamo che la valutazione dei comportamenti di cura dovrebbe ricoprire un ruolo centrale. Nonostante non ci sia fra noi completo consenso riguardo all’utilizzo delle valutazioni sulla qualità dell’attaccamento nelle decisioni attinenti all’affidamento e alla protezione del minore, tali valutazioni si rivelano, al momento, le più adatte a individuare obiettivi e modalità degli interventi di sostegno. Infine, offriamo indicazioni per organizzare le future collaborazioni di ricerca interdisciplinare

Priorities for synthesis research in ecology and environmental science

ACKNOWLEDGMENTS We thank the National Science Foundation grant #1940692 for financial support for this workshop, and the National Center for Ecological Analysis and Synthesis (NCEAS) and its staff for logistical support.Peer reviewedPublisher PD

Priorities for synthesis research in ecology and environmental science

ACKNOWLEDGMENTS We thank the National Science Foundation grant #1940692 for financial support for this workshop, and the National Center for Ecological Analysis and Synthesis (NCEAS) and its staff for logistical support.Peer reviewedPublisher PD

Genomic correlates of glatiramer acetate adverse cardiovascular effects lead to a novel locus mediating coronary risk

Glatiramer acetate is used therapeutically in multiple sclerosis but also known for adverse effects including elevated coronary artery disease (CAD) risk. The mechanisms underlying the cardiovascular side effects of the medication are unclear. Here, we made use of the chromosomal variation in the genes that are known to be affected by glatiramer treatment. Focusing on genes and gene products reported by drug-gene interaction database to interact with glatiramer acetate we explored a large meta-analysis on CAD genome-wide association studies aiming firstly, to investigate whether variants in these genes also affect cardiovascular risk and secondly, to identify new CAD risk genes. We traced association signals in a 200-kb region around genomic positions of genes interacting with glatiramer in up to 60 801 CAD cases and 123 504 controls. We validated the identified association in additional 21 934 CAD cases and 76 087 controls. We identified three new CAD risk alleles within the TGFB1 region on chromosome 19 that independently affect CAD risk. The lead SNP rs12459996 was genome-wide significantly associated with CAD in the extended meta-analysis (odds ratio 1.09, p = 1.58×10-12). The other two SNPs at the locus were not in linkage disequilibrium with the lead SNP and by a conditional analysis showed p-values of 4.05 × 10-10 and 2.21 × 10-6. Thus, studying genes reported to interact with glatiramer acetate we identified genetic variants that concordantly with the drug increase the risk of CAD. Of these, TGFB1 displayed signal for association. Indeed, the gene has been associated with CAD previously in both in vivo and in vitro studies. Here we establish genome-wide significant association with CAD in large human samples.This work was supported by grants from the Fondation Leducq (CADgenomics: Understanding CAD Genes, 12CVD02), the German Federal Ministry of Education and Research (BMBF) within the framework of the e:Med research and funding concept (e:AtheroSysMed, grant 01ZX1313A-2014 and SysInflame, grant 01ZX1306A), and the European Union Seventh Framework Programme FP7/2007-2013 under grant agreement no HEALTH-F2-2013-601456 (CVgenes-at-target). Further grants were received from the DFG as part of the Sonderforschungsbereich CRC 1123 (B2). T.K. was supported by a DZHK Rotation Grant. I.B. was supported by the Deutsche Forschungsgemeinschaft (DFG) cluster of excellence ‘Inflammation at Interfaces’. F.W.A. is supported by a Dekker scholarship-Junior Staff Member 2014T001 - Netherlands Heart Foundation and UCL Hospitals NIHR Biomedical Research Centre