1,420 research outputs found
TAKE ME BACK TO MOVE ME FORWARD: RE-ENACTMENT OF THE FAMILY SYSTEM AS A PATHWAY TO BETTER QUALITY OF LIFE FOR ALEXITHYMIC PATIENTS IN GROUP THERAPY
Background: Despite much attention in the clinical literature, research on alexithymia in the treatment setting has only recently gained traction. While several reports indicate limited benefit from therapy amongst patients with high alexithymia, this seems to be less so in the context of group therapy. This study considers a specific aspect of the group therapy process - family re-enactment - in facilitating improvement in overall quality of life for patients with high levels of alexithymia.
Subjects and methods: Family re-enactment was examined as a potential mediator of the relationship between alexithymia and change in quality of life among 50 patients who completed treatment in an intensive, integrative group therapy programme. Patients completed three self-report measures: Toronto Alexithymia Scale-20 (baseline), Quality of Life Inventory (baseline, post-therapy), and Therapeutic Factors Inventory-Short Form (week 8). Regression with mediation analysis was employed using the change score for the QOLI as the dependent variable, alexithymia scores as the independent variable, and the family re-enactment score as the mediator; baseline quality of life was included in the model as a control variable.
Results: Family re-enactment emerged as a significant mediator of the relationship between alexithymia and treatment outcome, implicating it as a contributing mechanism of change for alexithymic patients who participate in group therapy.
Conclusion: Patients with higher levels of alexithymia (in particular, difficulty identifying and describing feelings) were more likely to positively endorse aspects of family re-enactment during group therapy, which in turn were significantly associated with greater improvement in patientsâ overall quality of life
Robust Limits from Upcoming Neutrino Telescopes and Implications on Minimal Dark Matter Models
Experimental developments in neutrino telescopes are drastically improving
their ability to constrain the annihilation cross-section of dark matter. In
this paper, we employ an angular power spectrum analysis method to probe the
galactic and extra-galactic dark matter signals with neutrino telescopes. We
first derive projections for a next generation of neutrino telescope that is
inspired by KM3NeT. We emphasise that such analysis is much less sensitive to
the choice of dark matter density profile. Remarkably, the projected
sensitivity is improved by more than an order of magnitude with respect to the
existing limits obtained by assuming the Burkert dark matter density profile
describing the galactic halo. Second, we analyse minimal extensions to the
Standard Model that will be maximally probed by the next generation of neutrino
telescopes. As benchmark scenarios, we consider Dirac dark matter in - and
-channel models with vector and scalar mediators. We follow a global
approach by examining all relevant complementary experimental constraints. We
find that neutrino telescopes will be able to competitively probe significant
portions of parameter space. Interestingly, the anomaly-free
model can potentially be explored in regions where the relic abundance is
achieved through freeze-out mechanism
SCOPmap: Automated assignment of protein structures to evolutionary superfamilies
BACKGROUND: Inference of remote homology between proteins is very challenging and remains a prerogative of an expert. Thus a significant drawback to the use of evolutionary-based protein structure classifications is the difficulty in assigning new proteins to unique positions in the classification scheme with automatic methods. To address this issue, we have developed an algorithm to map protein domains to an existing structural classification scheme and have applied it to the SCOP database. RESULTS: The general strategy employed by this algorithm is to combine the results of several existing sequence and structure comparison tools applied to a query protein of known structure in order to find the homologs already classified in SCOP database and thus determine classification assignments. The algorithm is able to map domains within newly solved structures to the appropriate SCOP superfamily level with ~95% accuracy. Examples of correctly mapped remote homologs are discussed. The algorithm is also capable of identifying potential evolutionary relationships not specified in the SCOP database, thus helping to make it better. The strategy of the mapping algorithm is not limited to SCOP and can be applied to any other evolutionary-based classification scheme as well. SCOPmap is available for download. CONCLUSION: The SCOPmap program is useful for assigning domains in newly solved structures to appropriate superfamilies and for identifying evolutionary links between different superfamilies
In Defense of a K-12 Reading Perspective
Teaching students to read is a very important goal in the public schools. This objective has been established because professionals believe that being able to read facilitates students\u27 chances for future success and happiness. Yet, when definitions of literacy are reviewed and the reading ability of the adult population in the United States is considered, data indicate taht millions of Americans are illiterate. In order to revers this downward spiral, the skill of reading must be viewed as a continuing process. Such a supposition would be adopting and implementing a K-12 perspective
Electrochemical Studies of Fluorenone in Ionic Liquids and Aprotic Solvents
The electrochemical behavior of 9-fluorenone in acetonitrile / tetraethylammonium tetrafluoroborate (TEA BF 4 ) solutions has been explored by additions of 1-ethyl-3-methylimidazolium tetrafluoroborate (EMIm BF 4 ) and the proton donor 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP). The effect of EMIm BF 4 addition was found to be consistent with complexation of the dianion of 9-fluorenone by the EMIm cation, causing a positive shift of the second reduction process. Addition of HFIP as proton donor, on the other hand, caused the formation of a single reduction process near the first fluorenone reduction process
Towards detecting super-GeV dark matter via annihilation to neutrinos
The next generation of neutrino telescopes will feature unprecedented
sensitivities in the detection of neutrinos. Here we study the capabilities of
a large-scale neutrino telescope, like the fully-operating KM3NeT experiment in
the near future, for detecting dark matter annihilation signals from the
Galactic Centre. We consider both ORCA and ARCA detectors, covering dark matter
masses from a few GeV to 100 TeV. We obtain the sensitivities with a
maximum-likelihood analysis method and present them as upper limits in the
thermally averaged annihilation cross-section into Standard Model fermions. Our
projections show that the sensitivity of such a neutrino telescope can reach
the thermal relic line for and for few GeV, for the NFW dark matter density profile. This demonstrates
that ORCA- and ARCA-like detectors will be able to perform competitive dark
matter searches in a wide range of masses. The implications of these striking
projections are investigated in a few selected dark matter particle models,
where we show that neutrino telescopes are able to probe new parameter space
A Simple Device for Measuring the Minimum Current Velocity to Maintain Semi-Buoyant Fish Eggs in Suspension
Pelagic broadcast spawning cyprinids are common to Great Plains rivers and streams. This reproductive guild produces non-adhesive semi-buoyant eggs that require sufficient current velocity to remain in suspension during development. Although studies have shown that there may be a minimum velocity needed to keep the eggs in suspension, this velocity has not been estimated directly nor has the influence of physicochemical factors on egg buoyancy been determined. We developed a simple, inexpensive flow chamber that allowed for evaluation of minimum current velocity needed to keep semi-buoyant eggs in suspension at any time frame during egg development. The device described here has the capability of testing the minimum current velocity needed to keep semi-buoyant eggs in suspension at a wide range of physicochemical conditions. We used gellan beads soaked in freshwater for 0, 24, and 48 hrs as egg surrogates and evaluated minimum current velocities necessary to keep them in suspension at different combinations of temperature (20.0 ± 1.0 °C, 25.0 ± 1.0 °C, and 28.0 ± 1.0 °C) and total dissolved solids (TDS; 1,000 mg L-1, 3,000 mg L-1, and 6,000 mg L-1). We found that our methodology generated consistent, repeatable results within treatment groups. Current velocities ranging from 0.001â0.026 needed to keep the gellan beads in suspension were negatively correlated to soak times and TDS and positively correlated with temperature. The flow chamber is a viable approach for evaluating minimum current velocities needed to keep the eggs of pelagic broadcast spawning cyprinids in suspension during development
Effects of Long-Term Hypoxia on Enzymes of Carbohydrate Metabolism in the Gulf killifish, Fundulus grandis
The goal of the current study was to generate a comprehensive, multi-tissue perspective of the effects of chronic hypoxic exposure on carbohydrate metabolism in the Gulf killifish Fundulus grandis. Fish were held at approximately 1.3·mg·lâ1 dissolved oxygen (~3.6·kPa) for 4·weeks, after which maximal activities were measured for all glycolytic enzymes in four tissues (white skeletal muscle, liver, heart and brain), as well as for enzymes of glycogen metabolism (in muscle and liver) and gluconeogenesis (in liver). The specific activities of enzymes of glycolysis and glycogen metabolism were strongly suppressed by hypoxia in white skeletal muscle, which may reflect decreased energy demand in this tissue during chronic hypoxia. In contrast, several enzyme specific activities were higher in liver tissue after hypoxic exposure, suggesting increased capacity for carbohydrate metabolism. Hypoxic exposure affected fewer enzymes in heart and brain than in skeletal muscle and liver, and the changes were smaller in magnitude, perhaps due to preferential perfusion of heart and brain during hypoxia. The specific activities of some gluconeogenic enzymes increased in liver during long-term hypoxic exposure, which may be coupled to increased protein catabolism in skeletal muscle. These results demonstrate that when intact fish are subjected to prolonged hypoxia, enzyme activities respond in a tissue-specific fashion reflecting the balance of energetic demands, metabolic role and oxygen supply of particular tissues. Furthermore, within glycolysis, the effects of hypoxia varied among enzymes, rather than being uniformly distributed among pathway enzymes
Prevalence of asthma and asthma action plans in South Australia: population surveys from 1990 to 2001
The document attached has been archived with permission from the editor of the Medical Journal of Australia. An external link to the publisherâs copy is included.OBJECTIVES: To assess trends in the prevalence of self-reported doctor-diagnosed asthma, associated asthma related morbidity, and the uptake of written asthma action plans in South Australia, 1990â2001. DESIGN, SETTING AND PARTICIPANTS: Surveys by telephone interview of the South Australian population between 1990 and 2001, and interview of participants in their own homes by trained health interviewers. MAIN OUTCOME MEASURES: Asthma prevalence, percentage of patients with written action plans, and asthma associated morbidity. RESULTS: The reported prevalence of doctor-diagnosed asthma has increased from 8% (95% CI, 6.4%â9.6%) in 1990 to 12.8% (95% CI, 11.4%â14.2%) in 2001. Morbidity, as measured by wakening at night (daily or weekly) and days lost from normal activities because of asthma, has remained constant over the decade. The percentage of patients with written asthma action plans increased to a peak of 42.3% (95% CI, 40.3%â44.3%) in 1995, but then declined to 22.2% (95% CI, 20.7%â23.7%) in 2001. CONCLUSIONS: The prevalence of asthma has increased while morbidity has remained constant, indicating that the burden of asthma has increased. The associated decline in the percentage of patients with asthma action plans in recent years is cause for concern.David H Wilson, Robert J Adams, Sarah L Appleton, Graeme Hugo, David Wilkinson, Janet Hiller, Philip Ryan, Julianne Cheek and Richard E Ruffi
How people with chronic illnesses view their care in general practice: a qualitative study
The document attached has been archived with permission from the editor of the Medical Journal of Australia. An external link to the publisherâs copy is included.Objectives: To explore the perceptions of patients with chronic conditions about the nature and quality of their care in general practice. Design: Qualitative study using focus group methods conducted 1 June to 30 November 2002. Participants and setting: 76 consumers in 12 focus groups in New South Wales and South Australia. Main outcome measures: Recurring issues and themes on care received in general practice. Results: Three groups of priorities emerged. One centred on the quality of doctors, including technical competence, interpersonal skills, time for the patient in the consultation and continuity of care. A second concerned the role of patients and consumer organisations, with patients wanting (i) recognition of their knowledge about their condition and self-management, and (ii) for GPs to develop closer links with consumer organisations and inform patients about them. The third focused on the practice team and the importance of practice nurses and receptionists. Conclusion: GPs should consider the amount of time they spend with chronically ill patients, and their interpersonal skills and understanding of patientsâ needs. They need to be better informed about the benefits of patient self-management and consumer organisations, and to incorporate them into their care. They also need to review how their practice nurses and receptionists can maximise the care of patients.Fernando A Infante, Judith G Proudfoot, Gawaine Powell Davies, Tanya K Bubner, Chris H Holton, Justin J Beilby and Mark F Harri
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