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Developmental Differences in Relations Between Episodic Memory and Hippocampal Subregion Volume During Early Childhood 下载免费PDF全文
Tracy Riggins Sarah L. Blankenship Elizabeth Mulligan Katherine Rice Elizabeth Redcay 《Child development》2015,86(6):1710-1718
Episodic memory shows striking improvement during early childhood. However, neural contributions to these behavioral changes are not well understood. This study examined associations between episodic memory and volume of subregions (head, body, and tail) of the hippocampus—a structure known to support episodic memory in school‐aged children and adults—during early childhood (n = 45). Results revealed significant positive relations between episodic memory and volume of the hippocampal head in both the left and right hemispheres for 6‐ but not 4‐year‐old children, suggesting brain–behavior relations vary across development. These findings add new information regarding neural mechanisms of change in memory development during early childhood and suggest that developmental differences in hippocampal subregions may contribute to age‐related differences in episodic memory ability. 相似文献
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Cathryn L. Booth Jean F. Kelly Susan J. Spieker Tracy G. Zuckerman 《Early education and development》2003,14(1):83-100
Attachment relationships of toddlers (N = 45) to their child-care providers were investigated. Children's behaviors with their mothers were observed at home at 24 months and with their child-care providers at 26 months. Attachment Q-Sort procedures were used at home (90 items) and in child care (78 items); the latter yielded a 15-item Safe and Secure Scale describing the safe haven and secure base functions of attachment relationships in child care—being able to (a) seek and receive positive attention, (b) feel safe and protected, (c) receive support for exploration, (d) receive consolation when distressed, and (e) seek and accept assistance. Independent observational measures of child-care quality also were obtained at 24 months. As hypothesized, the Safe and Secure Scale was related to proximal rather than distal indicators of child-care quality, and it was a stronger measure than the child-caregiver Q-security score that was based on all 78 items. Child-mother and child-caregiver security were significantly related. 相似文献
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Soccer in Australia underwent a series of changes following a Federal Government inquiry into its future. A report into the Structure, Governance and Management of Soccer in Australia (2003) recommended a process of structural change, aimed at repositioning and re-branding soccer as association football. The restructure yielded the replacement of the National Soccer League with the A-League, five new Australian teams and a concerted attempt to separate soccer from its ethnic ties in the antipodes. This paper examines member identification in relation to a specific A-League club’s members. Using the Sports Spectator Identity Scale (Wann & Branscombe, 1993) to measure sport fan identity in a new team context, a survey of club members of Sydney FC (n = 510), was undertaken. Survey findings indicated that members of Sydney FC reported relatively strong team identification in the first year of the new competition, with some nuanced differences based on age and income. The SSIS demonstrated a good level of fit in relation to a new sports team, although it is evident that rivalries and identification with a new team need time to develop fully. 相似文献
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In a 3-wave longitudinal study (with assessments 2 years apart) involving 186 early adolescents (M ages of approximately 9.3, 11.4, and 13.4), the hypothesis that parental warmth/positive expressivity predicts children's effortful control (EC) (a temperamental characteristic contributing to emotion regulation) 2 years later, which in turn predicts low levels of externalizing problems another 2 years later, was examined. The hypothesis that children's EC predicts parenting over time was also examined. Parents were observed interacting with their children; parents and teachers reported children's EC and externalizing problems; and children's persistence was assessed behaviorally. Children's EC mediated the relation between positive parenting and low levels of externalizing problems (whereas there was no evidence that children's EC predicted parenting). 相似文献
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‘Chinese’ is an ambiguous term, depending on whether it is taken to describe a political, linguistic, or cultural entity. While the term has often been considered to represent a politically and culturally homogeneous national identity in recent decades, this article aims to challenge this notion by examining the characteristics and practices of nationalistic education in Hong Kong since 1945. It explores how national identity has been interpreted by different Chinese states over time through different educational policies and practices. Focusing on the evolution of nationalistic education in three phases, this article presents a detailed account and analyses different nationalist narratives over six decades. It describes how different political forces define themselves and come to terms with what are often dual or competing national identities. Historical examples illustrate the challenges in policies and practices of nationalistic education. 相似文献
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