218 research outputs found

    The role of pre-performance and in-game emotions on cognitive interference during sport performance: The moderating role of self-confidence and reappraisal

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    In this research we examined whether prevalent pre-performance (Study 1) and in-game (Study 2) emotions were associated with cognitive interference (i.e., thoughts of escape, task irrelevant thoughts and performance worries), and whether any effects were moderated by reappraisal and self-confidence. In Study 1, we found team sport players’ pre-performance anxiety positively, and excitement negatively, predicted cognitive interference during a competitive match. However, no moderating effects for reappraisal or confidence were revealed. In Study 2, we found that badminton players’ in-game anxiety, dejection and happiness positively predicted, whereas excitement negatively predicted, cognitive interference during a competitive match. Moreover, reappraisal and confidence moderated the relationships for excitement and happiness with task irrelevant thoughts. Our findings underscore the role that pre-performance and in-game emotions can play on athletes thought processing during sport performance, as well as highlight the importance of considering self-confidence and reappraisal on the role of in-game emotions on cognitive interference

    Transrealism as a discourse of social change in victorian fiction

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    This thesis considers the use a range of writers in the early to mid-Victorian period have made of interplays between the fantastic and the mimetic modes in their texts. I respond to critical assessments of the role of fantasy writing within Victorian fiction, and develop new articulations both of this role and of the nature of fantastic-mimetic interplays. In doing so, I interrogate Stephen Prickett’s categorization of Victorian fantasy writing as an unconscious creative force and Rosemary Jackson’s detailing of ‘Victorian fantasy realism’ as an evocation of negative tensions within Victorian culture. I transpose Julia Kristeva’s theories of transformative poetic intertextuality into the context of intertextualities between pairings of a fantasy and a realist text by four different Victorian authors. Chapter One explores how uncanny textualites in Charlotte Brontë's juvenile novella, The Spell (1834), and her mature work Jane Eyre (1847) represent the fragmented nature of aesthetic identities in nineteenth-century artistic, religious and authorial contexts, and how this representation suggests ways of negotiating resolution. Chapter Two investigates the use of polyphonic textuality (combinations of fairy tale and ghost story motifs) in Nicholas Nickleby (1838-1839) and A Christmas Carol (1843) by Charles Dickens dramatizes the emotional complications of disability in terms of a wide spectrum of social exclusion. Chapter Three examines how astronomical imagery and cognitive dissonance represent educational reform in George Eliot's The Lifted Veil (1859) and Daniel Deronda (1876). Chapter Four traces the extended interrogation and transcendence of emotional deprivation in George Macdonald's Adela Cathcart, developed by a heteroglossic voice through the fairy tales 'The Light Princess', 'The Shadows' and 'The Giant's Heart' (all first published in 1864). I propose that these critical interrogations can best be understood through an adaptation of Damien Broderick’s theory of modern transrealism, adapted to the historical context of the Victorian period

    Application and methodology of in vivo K x-ray fluorescence of Pb in bone (impact of KXRF data in the epidemiology of lead toxicity, and consistency of the data generated by updated systems)

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    K x-ray fluorescence (KXRF) technology has been used to make in vivo measurements of lead in bone for more than three decades. The data obtained are beneficial to research on lead toxicity as well as, in certain circumstances, the practice of occupational and environmental medicine. This paper reviews the impact of KXRF data on epidemiologic research involving lead toxicity and demonstrates that bone lead is and will continue to be a valuable biomarker in addressing long-term health effects related to cumulative exposure. The KXRF system has been improved and upgraded several times ever since it was first used. The consistency of the data obtained from these KXRF systems has been investigated in many studies. This paper provides an overview of the factors that will affect the data generated by the KXRF systems. A calibration problem encountered in one of the major KXRF laboratories is described, and the approach taken to solve the problem is discussed. Despite all the theoretical considerations, there are still some important practical challenges to the intercalibration of KXRF instruments both within the laboratory, and between laboratories. Copyright © 2007 John Wiley & Sons, Ltd.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/57908/1/992_ftp.pd

    Pathology caused by persistent murine norovirus infection.

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    Subclinical infection of murine norovirus (MNV) was detected in a mixed breeding group of WT and Stat1(-/-) mice with no outward evidence of morbidity or mortality. Investigations revealed the presence of an attenuated MNV variant that did not cause cytopathic effects in RAW264.7 cells or death in Stat1(-/-) mice. Histopathological analysis of tissues from WT, heterozygous and Stat1(-/-) mice revealed a surprising spectrum of lesions. An infectious molecular clone was derived directly from faeces (MNV-O7) and the sequence analysis confirmed it was a member of norovirus genogroup V. Experimental infection with MNV-O7 induced a subclinical infection with no weight loss in Stat1(-/-) or WT mice, and recapitulated the clinical and pathological picture of the naturally infected colony. Unexpectedly, by day 54 post-infection, 50 % of Stat1(-/-) mice had cleared MNV-O7. In contrast, all WT mice remained infected persistently. Most significantly, this was associated with liver lesions in all the subclinically infected WT mice. These data confirmed that long-term persistence in WT mice is established with specific variants of MNV and that despite a subclinical presentation, active foci of acute inflammation persist within the liver. The data also showed that STAT1-dependent responses are not required to protect mice from lethal infection with all strains of MNV
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