12 resultados para Silence

em University of Queensland eSpace - Australia


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I offer a new cartography of ethical resistance. I argue that there is an uncharted interaction between managerial secrecy and organizational silence, which may exponentially increase the incidence of corruption in ways not yet understood. Current methods used to raise levels of moral conduct in business and government practice appear blind to this powerful duo. Extensive literature reviews of secrecy and silence scholarships form the background for an early stage conceptual layout of the co-production of secrecy and silence.

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News of the attacks on New York and Washington on September 11th 2001 spread fast, mainly through dramatic images of the events broadcast via a global television media, particularly 24-hour news channels such as BBC News 24 and CNN. Following the initial report many news channels moved to dedicated live coverage of the story. This move, to what Liebes (1998) describes as a 'disaster marathon', entails shifting from the routine, regular news agenda to one where the event and its aftermath become the main story and reference for all other news. In this paper, we draw upon recordings from the BBC News 24 channel on September 11th 2001 during the immediate aftermath of the attacks on the World Trade Centre and Pentagon to argue that the coverage of this event, and other similar types of events, may be characterised as news permeated with strategic and emergent silences. Identifying silence as both concrete and metaphorical, we suggest that there are a number of types of silence found in the coverage and that these not only act to cover for lack of new news, or give emphasis or gravitas, but also that the vacuum created by a lack of news creates an emotional space in which collective shock, grieving or wonder are managed through news presented as phatic communion.

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Most experiments on conformity have been conducted in relation to judgments of physical reality; surprisingly few papers have experimentally examined the influence of group norms on social issues with a moral component. In response to this, participants were told that they were either in a minority or in a majority relative to their university group in terms of their attitudes toward recognition of gay couples in law (Expt 1: N = 205) and a government apology to Aborigines (Expt 2: N = 110). In both experiments, it was found that participants who had a weak moral basis for their attitude conformed to the group norm on private behaviours. In contrast, those who had a strong moral basis for their attitude showed non-conformity on private behaviours and counter-conformity on public behaviours. Incidences of nonconformity and counter-conformity are discussed with reference to theory and research on normative influence.

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We examined the extent to which people's private attitudes to gay law reform are influenced by the attitudes of others. Ninety-six university students were told that they were either in a minority or in a majority relative to their university group on their attitudes to gay law reform. Contrary to a number of assumptions made in the social psychological literature, participants who supported gay law reform were more prepared to act in line with their attitudes than were those who opposed gay law reform. Furthermore, anti-gay law reform participants appeared to reassess their attitudes when they were told they were in a minority; in contrast, pro-gay law reform participants were Unaffected by the group norm. This suggests that anti-gay law reform attitudes are softer and more easily influenced than are pro-gay law reform attitudes. The implications of these results for activists are discussed. (C) 2004 by The Haworth Press, Inc. All rights reserved.

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Placing issues of homophobia and anti-lesbianism on the agenda of teacher education programmes often meets with resistance from some students, and others. Such resistance is indicative of broader attempts to maintain the straight face of schooling. However, one way in which it is possible to place such issues on the agenda in schooling and teacher education is to demonstrate how these discourses impact upon all students and teachers. A current opening for raising such matters within teacher education programmes is the problematisation of the calls for more male teachers, calls that are becoming pervasive in many Western education systems. Within the drives to attract more male teachers to the profession there is usually a silence relating to the ways in which homophobia and its counterpart, misogyny, work to construct normalised notions of teachers. This paper examines the ways in which these silences perpetuate existing gender regimes in schools to the detriment of female teachers, girls, and marginalised male teachers and boys. It then suggests that teacher education programmes use this topic to demonstrate the impact of homophobia and misogyny on all involved in education.

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Obstructive sleep apnea (OSA) is a highly prevalent disease in which upper airways are collapsed during sleep, leading to serious consequences. The gold standard of diagnosis, called polysomnography (PSG), requires a full-night hospital stay connected to over ten channels of measurements requiring physical contact with sensors. PSG is inconvenient, expensive and unsuited for community screening. Snoring is the earliest symptom of OSA, but its potential in clinical diagnosis is not fully recognized yet. Diagnostic systems intent on using snore-related sounds (SRS) face the tough problem of how to define a snore. In this paper, we present a working definition of a snore, and propose algorithms to segment SRS into classes of pure breathing, silence and voiced/unvoiced snores. We propose a novel feature termed the 'intra-snore-pitch-jump' (ISPJ) to diagnose OSA. Working on clinical data, we show that ISPJ delivers OSA detection sensitivities of 86-100% while holding specificity at 50-80%. These numbers indicate that snore sounds and the ISPJ have the potential to be good candidates for a take-home device for OSA screening. Snore sounds have the significant advantage in that they can be conveniently acquired with low-cost non-contact equipment. The segmentation results presented in this paper have been derived using data from eight patients as the training set and another eight patients as the testing set. ISPJ-based OSA detection results have been derived using training data from 16 subjects and testing data from 29 subjects.

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RNA interference (RNAi) is widely used to silence genes in plants and animals. it operates through the degradation of target mRNA by endonuclease complexes guided by approximately 21 nucleotide (nt) short interfering RNAs (siRNAs). A similar process regulates the expression of some developmental genes through approximately 21 nt microRNAs. Plants have four types of Dicer-like (DCL) enzyme, each producing small RNAs with different functions. Here, we show that DCL2, DCL3 and DCL4 in Arabidopsis process both replicating viral RNAs and RNAi-inducing hairpin RNAs (hpRNAs) into 22-, 24- and 21 nt siRNAs, respectively, and that loss of both DCL2 and DCL4 activities is required to negate RNAi and to release the plant's repression of viral replication. We also show that hpRNAs, similar to viral infection, can engender long-distance silencing signals and that hpRNA-induced silencing is suppressed by the expression of a virus-derived suppressor protein. These findings indicate that hpRNA-mediated RNAi in plants operates through the viral defence pathway.

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Psychotherapy literature provides a theoretical understanding of parent-infant attachment. This article will reflect upon the specific need to give thoughtful consideration to those infants admitted to the acute-care setting, such as neonatal and paediatric intensive care units, and the potential for this environment to affect infant development and the parent-infant relationship. Infant-directed singing, as described in this article, is an improvised form of vocal interaction that is specifically informed by an understanding of the musical parameters of pitch, rhythm, phrasing, timbre, register, dynamic, tempo and silence. This article will detail a theoretical understanding of using infant-directed singing to foster parent-infant interaction within the acute care environment. In particular, the potentially sensitive, reciprocal and engaging nature of infant-directed singing, coupled with its ability to promote and support maternal demonstrations of empathy, will be discussed with a view to the psychological and physical development of the hospitalised infant.