10,834 research outputs found
Computations in extraversion
We make two suggestions with regard to Depue & Collins's (D&C's) target article. First, regarding the functioning of MOC13, we provide data indicating that, contrary to D&C's apparent position, this structure is not necessary for instrumental conditioning. Second, we suggest that D&C's approach would be advanced by reference to formal computational theory, in particular the work of Grossberg. We suggest that an integration of Grossberg's and D&C's models can provide a more complete account of extraversion
Dependence, independence or inter-dependence? Revisiting the concepts of 'care' and 'dependency'
Research and theory on 'dependency' and 'care-giving' have to date proceeded along largely separate lines, with little sense that they are exploring and explaining different aspects of the same phenomenon. Research on 'care', initially linked to feminism during the early 1980s, has revealed and exposed to public gaze what was hitherto assumed to be a 'natural' female activity. Conversely, disability activists and writers who have promoted a social model of disability have seen the language of and the policy focus upon 'care' as oppressive and objectifying. 'Dependency' is an equally contested concept: sociologists have scrutinised the social construction of dependency, politicians have ascribed negative connotations of passivity, while medical and social policy discourse employs the term in a positivist sense as a measure of physical need for professional intervention. Autonomy and independence, in contrast, are promoted as universal and largely unproblematic goals. These contrasting perspectives have led social theory, research and policies to separate and segregate the worlds of 'carers' from those for whom they 'care'. Drawing on the work of Kittay and others, this paper explores the ways in which sociological perspectives can develop new understanding of the social contexts of 'care' and 'dependence'
Dimensionality of spin modulations in 1/8-doped lanthanum cuprates from the perspective of NQR and muSR experiments
We investigate the dimensionality of inhomogeneous spin modulation patterns
in the cuprate family of high-temperature superconductors with particular focus
on 1/8-doped lanthanum cuprates. We compare one-dimensional stripe modulation
pattern with two-dimensional checkerboard of spin vortices in the context of
nuclear quadrupole resonance(NQR) and muon spin rotation(muSR) experiments. In
addition, we also consider the third pattern, a two-dimensional superposition
of spin spirals. Overall, we have found that none of the above patterns leads
to a consistent interpretation of the two types of experiments considered.
This, in particular, implies that the spin vortex checkerboard cannot be ruled
out on the basis of available NQR/muSR experimental results.Comment: 6 pages, 2 figure
Performance praxis and oral tradition
Definitions of oral tradition among performance studies scholars in the National Communication Association are broad, as scholars use performance theory and practice to understand such oral traditions as personal, family, and folk narratives, and complex genres such as African American stepping, which involve oral narratives, songs, and synchronized percussive movement (Pollock 1999; Langellier and Petersen 2004; Fine 2003). While not all personal narratives have entered "tradition" by being transmitted through time from one generation to another, they usually enact cultural values and norms, and in that sense, could be called traditional. Using performance praxis to teach oral tradition provides a dynamic way to restore social contexts and aesthetic form to the incomplete printed records of oral traditions.Not
Refining Crawford: The Confrontation Claus After Davis v. Washington and Hammon v. Indiana
Clarification of the Supreme Court’s newly minted interpretation of the Confrontation Clause was desperately needed, and Davis v. Washington and Hammon v. Indiana promised to provide it. Two terms earlier, in Crawford v. Washington, the Supreme Court had worked a revolutionary transformation of Confrontation Clause analysis by overruling Ohio v. Roberts and severing the link between hearsay jurisprudence and the Clause. Crawford was hailed by the criminal defense bar, since it seemed to presage a sharp reduction in the frequency of so-called “victimless” trials by holding that “testimonial” hearsay, no matter how reliable, was constitutionally inadmissible in the absence of an opportunity to cross-examine, and further ruling that statements elicited through police “interrogation” were testimonial. But the Court refused to define the terms “testimonial” and “interrogation,” leaving lower courts with little guidance when evaluating the circumstances in which unconfronted early accusations of crime could provide the basis for prosecution. And it listed, as a potential definition of “testimonial,” the narrow formulation urged by Justice Thomas in his concurring opinion in White v. Illinois that would only cover statements contained in “formalized” materials, which if accepted would exclude very few early accusations
Refining Crawford: The Confrontation Claus After Davis v. Washington and Hammon v. Indiana
Clarification of the Supreme Court’s newly minted interpretation of the Confrontation Clause was desperately needed, and Davis v. Washington and Hammon v. Indiana promised to provide it. Two terms earlier, in Crawford v. Washington, the Supreme Court had worked a revolutionary transformation of Confrontation Clause analysis by overruling Ohio v. Roberts and severing the link between hearsay jurisprudence and the Clause. Crawford was hailed by the criminal defense bar, since it seemed to presage a sharp reduction in the frequency of so-called “victimless” trials by holding that “testimonial” hearsay, no matter how reliable, was constitutionally inadmissible in the absence of an opportunity to cross-examine, and further ruling that statements elicited through police “interrogation” were testimonial. But the Court refused to define the terms “testimonial” and “interrogation,” leaving lower courts with little guidance when evaluating the circumstances in which unconfronted early accusations of crime could provide the basis for prosecution. And it listed, as a potential definition of “testimonial,” the narrow formulation urged by Justice Thomas in his concurring opinion in White v. Illinois that would only cover statements contained in “formalized” materials, which if accepted would exclude very few early accusations
An alternative to the conventional micro-canonical ensemble
Usual approach to the foundations of quantum statistical physics is based on
conventional micro-canonical ensemble as a starting point for deriving
Boltzmann-Gibbs (BG) equilibrium. It leaves, however, a number of conceptual
and practical questions unanswered. Here we discuss these questions, thereby
motivating the study of a natural alternative known as Quantum Micro-Canonical
(QMC) ensemble. We present a detailed numerical study of the properties of the
QMC ensemble for finite quantum systems revealing a good agreement with the
existing analytical results for large quantum systems. We also propose the way
to introduce analytical corrections accounting for finite-size effects. With
the above corrections, the agreement between the analytical and the numerical
results becomes very accurate. The QMC ensemble leads to an unconventional kind
of equilibrium, which may be realizable after strong perturbations in small
isolated quantum systems having large number of levels. We demonstrate that the
variance of energy fluctuations can be used to discriminate the QMC equilibrium
from the BG equilibrium. We further suggest that the reason, why BG equilibrium
commonly occurs in nature rather than the QMC-type equilibrium, has something
to do with the notion of quantum collapse.Comment: 25 pages, 6 figure
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