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The introduction of an holistic design approach through a teaching company scheme
Traditional design approaches separate the various functions of design such as material selection, performance modelling and tolerance specification into discrete entities. Whilst this allows more focused methods to be used at each stage, areas of conflict or benefit may be overlooked, and the designer is left to bring the loose ends together. This paper looks at a synthesis approach that draws upon a number of current design themes. The design process is considered along with various aspects such as product development, design-for-`X' methodologies and material selection. The need for the preservation of design knowledge and reasoning, the so called wh-? questions, within the process are considered along with various models of the design process. The paper draws these various aspects together to form a more holistic approach to design. The application of this technique within the Teaching Company Scheme is briefly discussed
It's not what you play, it's how you play it: timbre affects perception of emotion in music.
Salient sensory experiences often have a strong emotional tone, but the neuropsychological relations between perceptual characteristics of sensory objects and the affective information they convey remain poorly defined. Here we addressed the relationship between sound identity and emotional information using music. In two experiments, we investigated whether perception of emotions is influenced by altering the musical instrument on which the music is played, independently of other musical features. In the first experiment, 40 novel melodies each representing one of four emotions (happiness, sadness, fear, or anger) were each recorded on four different instruments (an electronic synthesizer, a piano, a violin, and a trumpet), controlling for melody, tempo, and loudness between instruments. Healthy participants (23 young adults aged 18-30 years, 24 older adults aged 58-75 years) were asked to select which emotion they thought each musical stimulus represented in a four-alternative forced-choice task. Using a generalized linear mixed model we found a significant interaction between instrument and emotion judgement with a similar pattern in young and older adults (p < .0001 for each age group). The effect was not attributable to musical expertise. In the second experiment using the same melodies and experimental design, the interaction between timbre and perceived emotion was replicated (p < .05) in another group of young adults for novel synthetic timbres designed to incorporate timbral cues to particular emotions. Our findings show that timbre (instrument identity) independently affects the perception of emotions in music after controlling for other acoustic, cognitive, and performance factors
School-based Sexuality Education Experiences across Three Generations of Sexual Minority People
Sexual minority people face greater risk for compromised sexual health than their heterosexual peers, yet school-based sexuality education often excludes them. Little is known about whether or how sexual minority people's sexuality education experiences have varied across sociohistorical contexts of rapid social change in both sexuality education and sexual minority visibility. Semi-structured qualitative interviews were conducted among 191 sexual minority people from three distinct sociohistorical generations (ages 18-25, 34-41, and 52-59, respectively) and four geographic regions of the United States. Data were analyzed using thematic content analysis following a consensual qualitative protocol. Fifty-one participants (i.e., 27%) discussed school-based sexuality education experiences despite the lack of an explicit question in the interview protocol prompting them to do so. Four distinct yet overlapping themes emerged in participants' experiences of sexuality education: 1) Silence; 2) The profound influence of HIV/AIDS; 3) Stigma manifest through fear, shame, and prejudice; and, 4) Comparing school-based experiences to sexuality education outside of school. The presence of themes varied across groups defined by sociohistorical generation. The implications of sexuality education experiences for the wellbeing of sexual minority people are discussed
Biomimetic Optical Sensor for Real-Time Aircraft Wing Deflection Measurement
Reducing the environmental impact of aviation is a primary goal of NASA aeronautics research. One approach to achieve this goal is to build lighter weight aircraft, which presents complex challenges due to a corresponding increase in structural flexibility. Wing flexibility can adversely affect aircraft performance from the perspective of aerodynamic efficiency and safety. Knowledge of the wing position during flight can aid active control methods designed to mitigate problems due to increased wing flexibility. Current approaches to measuring wing deflection, including strain measurement devices, accelerometers, or GPS solutions, and new technologies such as fiber optic strain sensors, have limitations for their practical application to flexible aircraft control. Hence, it was proposed to use a bio-mimetic optical sensor based on the fly-eye to track wing deflection in real-time. The fly-eye sensor has several advantages over conventional sensors used for this application, including light weight, low power requirements, fast computation, and a small form factor. This paper reports on the fly-eye sensor development and its application to real-time wing deflection measurement
Assigning and visualizing germline genes in antibody repertoires.
Identifying the germline genes involved in immunoglobulin rearrangements is an essential first step in the analysis of antibody repertoires. Based on our prior work in analysing diverse recombinant viruses, we present IgSCUEAL (Immunoglobulin Subtype Classification Using Evolutionary ALgorithms), a phylogenetic approach to assign V and J regions of immunoglobulin sequences to their corresponding germline alleles, with D regions assigned using a simple pairwise alignment algorithm. We also develop an interactive web application for viewing the results, allowing the user to explore the frequency distribution of sequence assignments and CDR3 region length statistics, which is useful for summarizing repertoires, as well as a detailed viewer of rearrangements and region alignments for individual query sequences. We demonstrate the accuracy and utility of our method compared with sequence similarity-based approaches and other non-phylogenetic model-based approaches, using both simulated data and a set of evaluation datasets of human immunoglobulin heavy chain sequences. IgSCUEAL demonstrates the highest accuracy of V and J assignment amongst existing approaches, even when the reassorted sequence is highly mutated, and can successfully cluster sequences on the basis of shared V/J germline alleles.S.K.L.P. and B.M. were supported in part by the U.S. National
Institutes of Health (AI110181, AI90970, AI100665, DA34978,
GM93939, HL108460, GM110749, LM7092, MH97520, MH83552),
the UCSD Center for AIDS Research (Developmental Grant,
AI36214, Bioinformatics and Information Technologies Core), the
International AIDS Vaccine Initiative (through AI90970), the UC
Laboratory Fees Research Program (grant no. 12-LR-236617). G.J.S.
was supported in part the U.S. National Institute of Health
(AI90118, AI68063, AI40305, and NIAID HHS N272201400019C),
and a grant from the Lupus Research Institute. A.S.M.M.H. was supported
by an Islamic Development Bank Scholarship, and S.D.W.F.
was supported in part by the UK MRC Methodology Research
Programme (grant no. MR/J013862/1).This is the final published version. It first appeared at http://rstb.royalsocietypublishing.org/content/370/1676/20140240
The Atrial Fibrillation Risk Score for Hyperthyroidism Patients
Thyrotoxicosis (TT) is associated with an increase in both total and
cardiovascu-lar mortality. One of the main thyrotoxicosis risks is Atrial
Fibrillation (AF). Right AF predicts help medical personal prescribe the
correct medicaments and correct surgical or radioiodine therapy. The main goal
of this study is creating a method for practical treatment and diagnostic AF.
This study proposes a new method for assessing the risk of occurrence atrial
fibrillation for patients with TT. This method considers both the features of
the complication and the specifics of the chronic disease. A model is created
based on case histories of patients with thyrotoxicosis. We used Machine
Learning methods for creating several models. Each model has advantages and
disadvantages depending on the diagnostic and medical purposes. The resulting
models show high results in the different metrics of the prediction of AF.
These models interpreted and simple for use. Therefore, models can be used as
part of the support and decision-making system (DSS) by medical specialists in
the treatment and diagnostic of AF
Anterior thalamic inputs are required for subiculum spatial coding, with associated consequences for hippocampal spatial memory
Just as hippocampal lesions are principally responsible for ‘temporal lobe’ amnesia, lesions affecting the anterior thalamic nuclei seem principally responsible for a similar loss of memory, ‘diencephalic’ amnesia. Compared to the former, the causes of diencephalic amnesia have remained elusive. A potential clue comes from how the two sites are interconnected, as within the hippocampal formation, only the subiculum has direct, reciprocal connections with the anterior thalamic nuclei. We found that both permanent and reversible anterior thalamic nuclei lesions in male rats cause a cessation of subicular spatial signalling, reduce spatial memory performance to chance, but leave hippocampal CA1 place cells largely unaffected. We suggest that a core element of diencephalic amnesia stems from the information loss in hippocampal output regions following anterior thalamic pathology
Effectiveness of physiotherapy exercise following hip arthroplasty for osteoarthritis: a systematic review of clinical trials
Background: Physiotherapy has long been a routine component of patient rehabilitation following hip joint replacement. The purpose of this systematic review was to evaluate the effectiveness of physiotherapy exercise after discharge from hospital on function, walking, range of motion, quality of life and muscle strength, for osteoarthritic patients following elective primary total hip arthroplasty.
Methods: Design: Systematic review, using the Cochrane Collaboration Handbook for Systematic Reviews of Interventions and the Quorom Statement. Database searches: AMED, CINAHL, EMBASE, KingsFund, MEDLINE, Cochrane library (Cochrane reviews, Cochrane Central Register of Controlled Trials, DARE), PEDro, The Department of Health National
Research Register. Handsearches: Physiotherapy, Physical Therapy, Journal of Bone and Joint Surgery (Britain)
Conference Proceedings. No language restrictions were applied.
Selection: Trials comparing physiotherapy exercise versus usual/standard care, or comparing two types of relevant exercise physiotherapy, following discharge from hospital after elective primary total hip replacement for osteoarthritis were reviewed.
Outcomes: Functional activities of daily living, walking, quality of life, muscle strength and range of hip joint
motion. Trial quality was extensively evaluated. Narrative synthesis plus meta-analytic summaries were performed to summarise the data.
Results: 8 trials were identified. Trial quality was mixed. Generally poor trial quality, quantity and diversity prevented explanatory meta-analyses. The results were synthesised and meta-analytic summaries were used where possible to provide a formal summary of results. Results indicate that physiotherapy exercise after discharge following total hip replacement has the potential to benefit patients.
Conclusion: Insufficient evidence exists to establish the effectiveness of physiotherapy exercise following primary hip replacement for osteoarthritis. Further well designed trials are required to determine the value of post discharge exercise following this increasingly common surgical procedure
Asteroseismology
Asteroseismology is the determination of the interior structures of stars by
using their oscillations as seismic waves. Simple explanations of the
astrophysical background and some basic theoretical considerations needed in
this rapidly evolving field are followed by introductions to the most important
concepts and methods on the basis of example. Previous and potential
applications of asteroseismology are reviewed and future trends are attempted
to be foreseen.Comment: 38 pages, 13 figures, to appear in: "Planets, Stars and Stellar
Systems", eds. T. D. Oswalt et al., Springer Verla
Process evaluation of a randomised pilot trial of home-based rehabilitation compared to usual care in patients with heart failure with preserved ejection fraction and their caregiver’s
Background: Whilst heart failure (HF) with preserved ejection fraction (HFpEF) affects almost 50 percent of the HF population, evidence-based treatment options remain limited. However, there is growing evidence of the potential value of exercise-based cardiac rehabilitation. This study reports the process evaluation of the Rehabilitation Enablement in Chronic Heart Failure (REACH-HF) intervention for HFpEF patients and their caregivers conducted as part of the REACH-HFpEF pilot trial. Methods: Process evaluation sub-study parallel to a single centre (Tayside, Scotland) randomised controlled pilot trial with qualitative assessment of both intervention fidelity delivery and HFpEF patients’ and caregivers’ experiences. The REACH-HF intervention consisted of self-help manual for patients and caregivers, facilitated over 12 weeks by trained healthcare professionals. Interviews were conducted following completion of intervention in a purposeful sample of 15 HFpEF patients and 7 caregivers. Results: Qualitative information from the facilitator interactions and interviews identified three key themes for patients and caregivers: (1) understanding their condition, (2) emotional consequences of HF, and (3) patients’ and caregivers’ responses to the REACH-HF intervention. The differing professional backgrounds demonstrate the possibility of delivering REACH-HF by either existing HF or cardiac rehabilitation services of a combination of the two. Conclusions: The REACH-HF home-based facilitated intervention for HFpEF appears feasible and well accepted model for delivery of a cardiac rehabilitation intervention, with the potential to address key unmet needs of patients and their caregivers who are often excluded from service provision and current CR programmes. Results of this study will inform a recently funded full multicentre randomised clinical trial
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