53 resultados para Derek Parfit

em Deakin Research Online - Australia


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Personal Identity theorists as diverse as Derek Parfit, Marya Schechtman and Galen Strawson have noted that the experiencing subject (the locus of present psychological experience) and the person (a human being with a career/narrative extended across time) are not necessarily coextensive. Accordingly, we can become psychologically alienated from, and fail to experience a sense of identity with, the person we once were or will be. This presents serious problems for Locke’s original account of “sameness of consciousness” constituting personal identity, given the distinctly normative (and indeed eschatological) focus of his discussion. To succeed, the Lockean project needs to identify some phenomenal property of experience that can constitute a sense of identity with the self figured in all moments to which consciousness can be extended. I draw upon key themes in Kierkegaard’s phenomenology of moral imagination to show that Kierkegaard describes a phenomenal quality of experience that unites the experiencing subject with its past and future, regardless of facts about psychological change across time. Yet Kierkegaard’s account is fully normative, recasting affective identification with past/future selves as a moral task rather than something merely psychologically desirable (Schechtman) or utterly contingent (Parfit, Strawson).

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The Naked Self explores Kierkegaard's understanding of selfhood by situating his work in relation to central problems in contemporary philosophy of personal identity: the role of memory in selfhood, the relationship between the notional and actual subjects of memory and anticipation, the phenomenology of diachronic self-experience, affective alienation from our past and future, psychological continuity, practical and narrative approaches to identity, and the intelligibility of posthumous survival. By bringing his thought into dialogue with major living and recent philosophers of identity (such as Derek Parfit, Galen Strawson, Bernard Williams, J. David Velleman, Marya Schechtman, Mark Johnston, and others), Stokes reveals Kierkegaard as a philosopher with a significant--if challenging--contribution to make to philosophy of self and identity.

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Derek Parfit’s discussion of our bias towards the future has sparked considerable discussion of our pervasively asymmetrical attitudes towards past and future goods. Much of this discussion has centred on whether we can rationally justify such attitudes or whether they are intrinsically irrational. This paper seeks neither to justify nor to reject temporally asymmetrical attitudes, but to explicate the way perspective, and particularly temporal perspective, operates in such biases, in order to show how our temporal biases point to something important about the structure of selfhood. By employing an emerging distinction in the personal identity literature between the ‘self’ as an intrinsically first personal and temporally indexical locus of consciousness, and the ‘person’ as a diachronic bearer of various forms of physical and psychological predicates, we can see that the clash between temporally asymmetrical attitudes and symmetrical welfare judgments is in fact a result of the ways in which selves and persons interact.

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Background: Systematic reviews of health promotion and public health interventions are increasingly being conducted to assist public policy decision making. Many intra-country initiatives have been established to conduct systematic reviews in their relevant public health areas. The Cochrane Collaboration, an international organisation established to conduct and publish systematic reviews of healthcare interventions, is committed to high quality reviews that are regularly updated, published electronically, and meeting the needs of the consumers.

Aims: To identify global priorities for Cochrane systematic reviews of public health topics.

Methods: Systematic reviews of public health interventions were identified and mapped against global health risks. Global health organisations were engaged and nominated policy-urgent titles, evidence based selection criteria were applied to set priorities.

Results: 26 priority systematic review titles were identified, addressing interventions such as community building activities, pre-natal and early infancy psychosocial outcomes, and improving the nutrition status of refugee and displaced populations.

Discussion: The 26 priority titles provide an opportunity for potential reviewers and indeed, the Cochrane Collaboration as a whole, to address the previously unmet needs of global health policy and research agencies.

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In a corporate environment that is changing at warp speed, performing consistently at high levels is more difficult and more necessary than ever. Narrow interventions simply aren't sufficient anymore. Companies can't afford to address their employees' cognitive capacities while ignoring their physical, emotional, and spiritual well-being. On the playing field or in the boardroom, high performance depends on how much people renew and recover energy as on how they expend it, on how they manage their lives as much as on how they manage their work. When people feel strong and resilient - physically, mentally, emotionally, and spiritually - they perform better, with more passion, for longer. They win, their families win, and the corporations that employ them win. (Jim Loehr and Tony Schwartz (2001) The Making of a Corporate Athlete, p.128)

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Building demolition has been undergoing evolutionary development in its technologies for several decades. In order to achieve a high level of demolition material reuse and recycling, new management approaches are also necessitated. Several information systems are proposed or developed particularly promoting efficient project management, waste minimization and project safety. These information systems include waste exchange, 4D visualization, safety aware schedule, waste product schedule, site atTangement optimization and so on. However, the fragmented information systems applied by various parties involved in the demolition project could generate conflicts due to the lack of communication and standardization. This paper aims to develop a framework of an integrated information system for building demolition projects, which covers the major aspects of innovative management approaches and conventional construction project management perspective. Practically, the system will serve as an information portal for all demolition project team members.

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Presents a formative perspective on vocational learning that proposes that vocational competence is dependent upon dispositional development, which in turn results in moves towards maturation. Further, that dispositional and maturational outcomes occur as a result of a lifetime goal-setting intervention employed prior to training Reports qualitative and quantitative research with unemployed adults engaging in vocational education that resulted in four findings. Firstly, that while Training Packages describe assessable outcomes in competency-referenced terms, trainees describe learning outcomes in non-competency referenced terms. Secondly, that vocational trainees describe their learning in terms of dispositional outcomes, that is, in terms of values, interests and attitudes. Thirdly, that dispositions can be categorised in terms of maturational concepts. Fourthly, in support of incremental theory, that trainees made moves towards maturation as a result of a lifetime goal-setting intervention employed prior to training.

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The segment C-terminal to the hydrophobic motif at the V5 domain of protein kinase C (PKC) is the least conserved both in length and in amino acid identity among all PKC isozymes. By generating serial truncation mutants followed by biochemical and functional analyses, we show here that the very C terminus of PKCα is critical in conferring the full catalytic competence to the kinase and for transducing signals in cells. Deletion of one C-terminal amino acid residue caused the loss of ~60% of the catalytic activity of the mutant PKCα, whereas deletion of 10 C-terminal amino acid residues abrogated the catalytic activity of PKCα in immune complex kinase assays. The PKCα C-terminal truncation mutants were found to lose their ability to activate mitogen-activated protein kinase, to rescue apoptosis induced by the inhibition of endogenous PKC in COS cells, and to augment melatonin-stimulated neurite outgrowth. Furthermore, molecular dynamics simulations revealed that the deletion of 1 or 10 C-terminal residues results in the deformation of the V5 domain and the ATP-binding pocket, respectively. Finally, PKCα immunoprecipitated using an antibody against its C terminus had only marginal catalytic activity compared with that of the PKCα immunoprecipitated by an antibody against its N terminus. Therefore, the very C-terminal tail of PKCα is a novel determinant of the catalytic activity of PKC and a promising target for selective modulation of PKCα function. Molecules that bind preferentially to the very C terminus of distinct PKC isozymes and suppress their catalytic activity may constitute a new class of selective inhibitors of PKC.

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In this article, we explore the role of the C-terminus (V5 domain) of PKCvar epsilon plays in the catalytic competence of the kinase using serial truncations followed by immune-complex kinase assays. Surprisingly, removal of the last seven amino acid residues at the C-terminus of PKCvar epsilon resulted in a PKCvar epsilon-Δ731 mutant with greatly reduced intrinsic catalytic activity while truncation of eight amino acid residues at the C-terminus resulted in a catalytically inactive PKCvar epsilon mutant. Computer modeling and molecular dynamics simulations showed that the last seven and/or eight amino acid residues of PKCvar epsilon were involved in interactions with residues in the catalytic core. Further truncation analyses revealed that the hydrophobic phosphorylation motif was dispensable for the physical interaction between PKCvar epsilon and 3-phosphoinositide-dependent kinase-1 (PDK-1) as the PKCvar epsilon mutant lacking both the turn and the hydrophobic motifs could still be co-immunoprecipitated with PDK-1. These results provide fresh insights into the biochemical and structural basis underlying the isozyme-specific regulation of PKC and suggest that the very C-termini of PKCs constitute a promising new target for the development of novel isozyme-specific inhibitors of PKC.

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PRK1 is a lipid- and Rho GTPase-activated serine/threonine protein kinase implicated in the regulation of receptor trafficking, cytoskeletal dynamics and tumorigenesis. Although Rho binding has been mapped to the HR1 region in the regulatory domain of PRK1, the mechanism involved in the control of PRK1 activation following Rho binding is poorly understood. We now provide the first evidence that the very C-terminus beyond the hydrophobic motif in PRK1 is essential for the activation of this kinase by RhoA. Deletion of the HR1 region did not completely abolish the binding of PRK1-ΔHR1 to GTPγS-RhoA nor the activation of this mutant by GTPγS-RhoA in vitro. In contrast, removing of the last six amino acid residues from the C-terminus of PRK1 or truncating of a single C-terminal residue from PRK1-ΔHR1 completely abrogated the activation of these mutants by RhoA both in vitro and in vivo. The critical dependence of the very C-terminus of PRK1 on the signaling downstream of RhoA was further demonstrated by the failure of the PRK1 mutant lacking its six C-terminal residues to augment lisophosphatidic acid-elicited neurite retraction in neuronal cells. Thus, we show that the HR1 region is necessary but not sufficient in eliciting a full activation of PRK1 upon binding of RhoA. Instead, such activation is controlled by the very C-terminus of PRK1. Our results also suggest that the very C-terminus of PRK1, which is the least conserved among members of the protein kinase C superfamily, is a potential drug target for pharmacological intervention of RhoA-mediated signaling pathways

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Presents a perspective on vocational learning that proposes that vocational competence is dependent upon dispositional development, which in turn, results in moves towards maturation. Reports research with unemployed adults engaging in vocational training and resulting in four findings. First, while training packages describe assessable outcomes in competency-referenced terms, trainees describe learning outcomes in non-competency referenced terms. Second, vocational trainees describe their learning in terms of dispositional outcomes; that is, in terms of values, interests and attitudes. Third, dispositions can be categorised in terms of maturational concepts. Fourth, trainees made moves towards maturation as a result of CBT/NEIS training over the six-week period of the course. The findings have important ramifications for all future VET/CBT trainees since it is the researcher's formative theory that maturation is a subset of competence in every vocational skill domain.

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Combined book reviews of the following three books :<br/> "Seamus Heaney: creating Irelands of the mind" by Eugene O'Brien. ISBN: 1904148026 <br/> "Brian Friel: decoding the language of the tribe" by Tony Corbett. ISBN: 1904148034 <br/> "John Banville: exploring fictions" by Derek Hand. ISBN: 1904148042