5,102 research outputs found
An examination of Cultural Competence Training in US Medical Education Guided by the Tool for Assessing Cultural Competence Training
In the United States, medical students must demonstrate a standard level of “cultural competence,” upon graduation. Cultural competence is most often defined as a set of congruent behaviors, attitudes, and policies that come together in systems, organizations, and among professionals to enable effective work in cross-cultural situations. The Association of American Medical Colleges developed the Tool for Assessing Cultural Competence Training (TACCT) to assist schools in developing and evaluating cultural competence curricula to meet these requirements. This review uses the TACCT as a guideline to describe and assess pedagogical approaches to cultural competence training in US medical education and identify content gaps and opportunities for curriculum improvement. A total of 18 programs are assessed. Findings support previous research that cultural competence training can improve the knowledge, attitudes, and skills of medical trainees. However, wide variation in the conceptualization, implementation, and evaluation of cultural competence training programs exists, leading to differences in training quality and outcomes. More research is needed to establish optimal approaches to implementing and evaluating cultural competence training that incorporate cultural humility, the social determinants of health, and broader structural competency within the medical system
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When Alcoholism Affects Memory Functions: MRI of the Brain.
The development of modern imaging techniques makes it possible to examine directly the relationship between brain abnormalities and memory impairment. Alcoholic amnesics may perform normally on certain tests (priming tasks) that require implicit (unconscious) memory, even though they may not be able consciously to recall the memory. Researchers have therefore postulated the existence of multiple memory mechanisms. Magnetic resonance imaging (MRI) observations suggest that independent memory mechanisms are not necessary to explain the dissociation between explicit and implicit memory. Alcoholic amnesics appear to suffer from damage to structures in two areas of the brain, affecting two separate processing components that are both required in most priming tasks: a stimulus processing component and a memory processing component
Identifying Interaction Sites in "Recalcitrant" Proteins: Predicted Protein and Rna Binding Sites in Rev Proteins of Hiv-1 and Eiav Agree with Experimental Data
Protein-protein and protein nucleic acid interactions are vitally important
for a wide range of biological processes, including regulation of gene
expression, protein synthesis, and replication and assembly of many viruses. We
have developed machine learning approaches for predicting which amino acids of
a protein participate in its interactions with other proteins and/or nucleic
acids, using only the protein sequence as input. In this paper, we describe an
application of classifiers trained on datasets of well-characterized
protein-protein and protein-RNA complexes for which experimental structures are
available. We apply these classifiers to the problem of predicting protein and
RNA binding sites in the sequence of a clinically important protein for which
the structure is not known: the regulatory protein Rev, essential for the
replication of HIV-1 and other lentiviruses. We compare our predictions with
published biochemical, genetic and partial structural information for HIV-1 and
EIAV Rev and with our own published experimental mapping of RNA binding sites
in EIAV Rev. The predicted and experimentally determined binding sites are in
very good agreement. The ability to predict reliably the residues of a protein
that directly contribute to specific binding events - without the requirement
for structural information regarding either the protein or complexes in which
it participates - can potentially generate new disease intervention strategies.Comment: Pacific Symposium on Biocomputing, Hawaii, In press, Accepted, 200
Discovery of kHz Fluctuations in Centaurus X-3: Evidence for Photon Bubble Oscillations (PBO) and Turbulence in a High Mass X-ray Binary Pulsar
We report the discovery of kHz fluctuations, including quasi-periodic
oscillations (QPO) at ~330 Hz and ~760 Hz and a broadband kHz continuum in the
power density spectrum of the high mass X-ray binary pulsar Centaurus X-3.
These observations of Cen X-3 were carried out with the Rossi X-ray Timing
Explorer (RXTE). The fluctuation spectrum is flat from mHz to a few Hz, then
steepens to behavior between a few Hz and ~100 Hz. Above a hundred Hz,
the spectrum shows the QPO features, plus a flat continuum extending to ~1200
Hz and then falling out to ~1800 Hz. These results, which required the
co-adding three days of observations of Cen X-3, are at least as fast as the
fastest known variations in X-ray emission from an accreting compact object
(kHz QPO in LMXB sources) and probably faster since extension to ~1800 Hz is
indicated by the most likely parameterization of the data.
Multi-dimensional radiation hydrodynamics simulations of optically thick
plasma flow onto the magnetic poles of an accreting neutron star show that the
fluctuations at frequencies above 100 Hz are consistent with photon bubble
turbulence and oscillations (PBO) previously predicted to be observable in this
source. For a polar cap opening angle of 0.25 radians, we show that the
spectral form above 100 Hz is reproduced by the simulations, including the
frequencies of the QPO and the relative power in the QPO and the kHz continuum.
This has resulted in the first model-dependent measurement of the polar cap
size of an X-ray pulsar.Comment: received ApJ: April 1, 1999 accepted ApJ: September 1, 199
Departing From “Education”: Finding Autonomous Learning The Ability for Knowledge that Gives Itself
Initially, I set out to grasp an understanding of CIdeCI and its methods of learning, to observe these spaces in order to contrast them with those of modern western education. However, my time there has been a process of rediscovering as well as redefining the practices and routines of life; a life through struggle, through resistance, through passion and creation. Beneath the surface I found a different existence in which they pick up the world to hold it otherwise, as to see it from a new perspective, moving it further down and towards the left. So the following paper does not fully answer these original intentions. Rather it is a medium from which the river narrows enough to catch a glimpse of the other side, where the waters calm hoping to embolden one to gather up the courage to cross. Though in order to give form to this project I contemplate four aspects of CIdeCI, that of structure and curriculum, culture and community, learning, and creativity. Lastly, I conclude by reflecting on this experience, the time I have spent within a unique context; to try and understand what this could convey on to others, those in the diverse parts of the world, living distant realities, suffering yet struggling with their own means, walking the various paths towards dignity
2009 Clinic Yearbook
The Clinic is the yearbook of the Sidney Kimmel Medical College (formerly Jefferson Medical College) at Thomas Jefferson University
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