Biomedical subjects
Publications and source records attributed to M Moody.
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A diffusion model for the joint action of genotype-dependent migration and genotype-independent population regulation is derived and investigated. The diploid, monoecious population occupies a finite chain of equally spaced colonies; generations are discrete and nonoverlapping; mating is random in each colony. A boundary-value problem is deduced for the gene frequencies at a multiallelic locus in the absence of mutation, selection, and random drift. This problem is studied for two alleles and constant and uniform population density and drift and diffusion coefficients. All equilibria are shown to be monotone, and explicit conditions for a protected polymorphism are established. Two examples of asymptotically stable clines are presented. It is demonstrated that genotype dependence of the mean displacements is necessary to produce or maintain spatial differentiation of gene frequencies.
A continuous time selection model is formulated for a diploid monoecious population with multiple alleles at each of an arbitrary number of loci, incorporating differential fertility and mortality as well as arbitrary mating and age structure. The model is simplified in the case of age-independence and for the case of a stable age distribution. The age-independent model is examined in detail for the special case of multiple alleles at each of two loci. This model is analyzed under the assumptions of random mating and additive fertilities, with close attention given to the behavior of the system with respect to Hardy-Weinberg proportions and linkage equilibrium.
Three experiments were conducted to investigate whether semantic information presented to the unattended ear in a dichotic listening experiment has a memory effect after 30 sec. In all three experiments the Brown-Peterson paradigm was employed. Experiment 1 used the release from proactive inhibition technique and found no evidence that semantic material presented to the unattended ear produced proactive inhibitory effects on attended ear material. Experiment 2 suggests that this result was not due to a memory deficiency resulting from a lack of intent to learn. Experiment 3 indicates that repetition of the same information for three trials to the unattended ear did not enhance memory performance when the material was later presented to the attended ear. Assuming that some semantic processing does occur at the time of input, an interpretation based upon the levels-of-processing approach was suggested as a possibility for explaining the negative results.
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We investigated the kinds of instructional and assessment accommodations students with disabilities receive, and the extent to which instructional accommodations match assessment accommodations. Most students who had IEPs in specific content areas received instructional accommodations in those areas, and there were no differences by disability type. We provide data on the specific types of accommodations used. Overall, students' assessment accommodations matched their instructional accommodations, though many students received testing accommodations that had not been received in instruction. Implications are discussed for IEP teams who make decisions about instructional and assessment accommodations.
STM Healthcare is a division of the Recticel Group which has been actively involved in the production and use of polyurethane foams for the past 40 years, and is now one of Europe's leading manufacturers of polyurethane foam for insulation, packaging, filtration, aerospace, the automotive and furniture industries, domestic and specialist bedding and seating products. STM Healthcare is able to draw upon the wealth of experience and expertise of the manufacturing facilities, enabling products to be developed using the latest environmentally friendly specification foams best suited to the requirements of pressure-reduction technology. All STM Healthcare mattresses, cushions and Linknurse mattresses are manufactured with Safeguard combustion modified high resilience foams. (Linknurse is a licensed product name; products are manufactured by Recticel and distributed by STM).
The eradication of pungent wound odour is one of the most challenging problems for health professionals involved in wound management. The presence of malodour can cause immeasurable distress for the patient and his/her family, making many sufferers' lives one of self-imposed exile. Clinical research using topical metronidazole over the past 20 years clearly indicates that metronidazole is effective against the anaerobic bacteria that cause these foul and distressing odours. Seton Healthcare produces a commercial preparation called Metrotop--a topical metronidazole gel which is available on prescription.
Fifty-two patients (26 in each group) were recruited into this randomized, comparative, controlled trial of Rosidal K short-stretch compression bandage and SurePress long-stretch compression bandage in the treatment of venous leg ulcers. Patients were monitored for a maximum of 12 weeks. Each patient was seen weekly by a research nurse, who recorded the study variables. The mean percentage reduction in the wound bed surface area during the study period was 52% in the SurePress group and 73% in the Rosidal K group. Eight patients in each group saw their ulcers heal within the study period. The average limb volume reduction, based on the first 4 weeks of data collection, was 2.3 cm for those in the Rosidal K group and 3.9 cm in the SurePress group. Ulcer size increased in six patients allocated to SurePress bandages and in four patients allocated to Rosidal K bandages.
As part of a major project to develop a primary care trust-based framework of lymphoedema management, the educational needs of community nurses regarding the care of patients with lymphoedema were assessed using focus groups and questionnaires. Community nurses assessed their current knowledge and skill in the care and management of patients with lymphoedema as adequate or poor. They were concerned about their lack of knowledge and skill and were uncertain regarding their role relative to other professions involved in the care of this patient group. At the same time they understood the importance of their role in providing ongoing care, recognizing problems, offering sound advice and referring on to a specialist practitioner when necessary. Any education provision that prepares community nurses for their role within a framework of lymphoedema management should emphasize the important place they occupy in providing long-term care for this patient group.
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