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Information theory

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https://www.readbyqxmd.com/read/29149797/findings-from-a-strength-based-moderate-intensity-exercise-interventions-for-individuals-with-dementia-innovative-practice
#1
Nicole Dawson, Hayden Gerhart, Katherine S Judge
Limited evidence exists regarding exercise interventions with individuals with dementia, which is often due to heterogeneity of methodology and outcomes being assessed. This led to the development and evaluation of a moderate-intensity home-based functional exercise program guided by theories from exercise science and the Strength-Based Approach. Data indicated excellent treatment adherence (99.04%) along with high levels of acceptability and feasibility in this sample (age 76.63 years (9.84); Mini Mental State Exam 18...
January 1, 2017: Dementia
https://www.readbyqxmd.com/read/29149509/promoting-person-centred-care-in-the-perioperative-setting-through-patient-advocacy-an-observational-study
#2
Ann-Sofie Sundqvist, Ulrica Nilsson, Marie Holmefur, Agneta Anderzén-Carlsson
AIMS AND OBJECTIVES: To examine the extent to which the findings from an integrative review regarding perioperative patient advocacy could be empirically supported, and to describe Swedish registered nurse anaesthetists' patient advocacy actions and interactions during the perioperative period. BACKGROUND: Patient advocacy is practiced by various health care professionals in promoting the well-being of patients. It is complex, and in a general health care context it has been described as supporting the patients both physiologically and psychologically...
November 17, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29149175/the-introduction-of-dengue-follows-transportation-infrastructure-changes-in-the-state-of-acre-brazil-a-network-based-analysis
#3
Raquel Martins Lana, Marcelo Ferreira da Costa Gomes, Tiago França Melo de Lima, Nildimar Alves Honório, Cláudia Torres Codeço
Human mobility, presence and passive transportation of Aedes aegypti mosquito, and environmental characteristics are a group of factors which contribute to the success of dengue spread and establishment. To understand this process, we assess data from dengue national and municipal basins regarding population and demographics, transportation network, human mobility, and Ae. aegypti monitoring for the Brazilian state of Acre since the first recorded dengue case in the year 2000 to the year 2015. During this period, several changes in Acre's transport infrastructure and urbanization have been started...
November 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29149043/local-homing-navigation-based-on-the-moment-model-for-landmark-distribution-and-features
#4
Changmin Lee, DaeEun Kim
[-10]For local homing navigation, an agent is supposed to return home based on the surrounding environmental information. According to the snapshot model, the home snapshot and the current view are compared to determine the homing direction. In this paper, we propose a novel homing navigation method using the moment model. The suggested moment model also follows the snapshot theory to compare the home snapshot and the current view, but the moment model defines a moment of landmark inertia as the sum of the product of the feature of the landmark particle with the square of its distance...
November 17, 2017: Sensors
https://www.readbyqxmd.com/read/29148815/information-theoretic-approaches-to-atoms-in-molecules-hirshfeld-family-of-partitioning-schemes
#5
Farnaz Heidar-Zadeh, Paul Woodson Ayers, Toon Verstraelen, Ivan Vinogradov, Esteban Vöhringer-Martinez, Patrick Bultinck
Many population analysis methods are based on the precept that molecules should be built from fragments (typically atoms) that maximally resemble the isolated fragment. The resulting molecular building blocks are intuitive (because they maximally resemble well-understood systems) and transferable (because if two molecular fragments both resemble an isolated fragment, they necessarily resemble each other). Information theory is one way to measure the deviation between molecular fragments and their isolated counterparts, and one that lends itself to analysis...
November 17, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29148600/new-evidence-for-the-recent-divergence-of-devil-s-hole-pupfish-and-the-plausibility-of-elevated-mutation-rates-in-endangered-taxa
#6
Christopher H Martin, Sebastian Höhna
Saglam et al. (2016) recently argued that the Devil's Hole Pupfish (Cyprinodon diabolis), a conservation icon with the smallest known species range, was isolated 60 kya based on a new genomic dataset. If true, this would be a radically long timescale for any species to persist at population sizes less than 500 individuals, in contrast to conservation genetics theory. However, here we argue that their analyses and interpretation are inappropriate. They placed highly restrictive prior distributions on divergence times, which do not appropriately model the large uncertainty and result in removing nearly all uncertainty from their analyses, and chose among models by assuming that pupfishes exhibit human mutation rates...
November 17, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/29148082/insights-into-flood-coping-appraisals-of-protection-motivation-theory-empirical-evidence-from-germany-and-france
#7
Philip Bubeck, W J Wouter Botzen, Jonas Laudan, Jeroen C J H Aerts, Annegret H Thieken
Protection motivation theory (PMT) has become a popular theory to explain the risk-reducing behavior of residents against natural hazards. PMT captures the two main cognitive processes that individuals undergo when faced with a threat, namely, threat appraisal and coping appraisal. The latter describes the evaluation of possible response measures that may reduce or avert the perceived threat. Although the coping appraisal component of PMT was found to be a better predictor of protective intentions and behavior, little is known about the factors that influence individuals' coping appraisals of natural hazards...
November 17, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/29147858/community-interventions-to-increase-stroke-preparedness-and-acute-stroke-treatment-rates
#8
REVIEW
Kathleen M Kelly, Kathryn T Holt, Gina M Neshewat, Lesli E Skolarus
PURPOSE OF REVIEW: Acute stroke treatments reduce the risk of post-stroke disability. These treatments, tissue plasminogen activator (tPA) and intra-arterial treatment, are highly time-dependent; thus, one of the main barriers to treatment is pre-hospital delay. Stroke preparedness is defined as the ability to recognize stroke symptoms and the intent to activate emergency medical services (EMS). This review describes types of acute stroke treatment and preparedness interventions, including recent mass media interventions to increase acute stroke treatment rates, and adult and youth community interventions to increase stroke preparedness...
November 16, 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/29146681/a-qualitative-study-of-patient-involvement-in-medicines-management-after-hospital-discharge-an-under-recognised-source-of-systems-resilience
#9
Beth Fylan, Gerry Armitage, Deirdre Naylor, Alison Blenkinsopp
INTRODUCTION: There are risks to the safety of medicines management when patient care is transferred between healthcare organisations, for example, when a patient is discharged from hospital. Using the theoretical concept of resilience in healthcare, this study aimed to better understand the proactive role that patients can play in creating safer, resilient medicines management at a common transition of care. METHODS: Qualitative interviews with 60 cardiology patients 6 weeks after their discharge from 2 UK hospitals explored patients' experiences with their discharge medicines...
November 16, 2017: BMJ Quality & Safety
https://www.readbyqxmd.com/read/29146567/self-guided-web-based-interventions-scoping-review-on-user-needs-and-the-potential-of-embodied-conversational-agents-to-address-them
#10
REVIEW
Mark R Scholten, Saskia M Kelders, Julia Ewc Van Gemert-Pijnen
BACKGROUND: Web-based mental health interventions have evolved from innovative prototypes to evidence-based and clinically applied solutions for mental diseases such as depression and anxiety. Open-access, self-guided types of these solutions hold the promise of reaching and treating a large population at a reasonable cost. However, a considerable factor that currently hinders the effectiveness of these self-guided Web-based interventions is the high level of nonadherence. The absence of a human caregiver apparently has a negative effect on user adherence...
November 16, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29146562/multi-method-laboratory-user-evaluation-of-an-actionable-clinical-performance-information-system-implications-for-usability-and-patient-safety
#11
Benjamin Brown, Panos Balatsoukas, Richard Williams, Matthew Sperrin, Iain Buchan
INTRODUCTION: Electronic audit and feedback (e-A&F) systems are used worldwide for care quality improvement. They measure health professionals' performance against clinical guidelines, and some systems suggest improvement actions. However, little is known about optimal interface designs for e-A&F, in particular how to present suggested actions for improvement. We developed a novel theory-informed system for primary care (the Performance Improvement plaN GeneratoR; PINGR) that covers the four principal interface components: clinical performance summaries; patient lists; detailed patient-level information; and suggested actions...
November 13, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/29146140/patient-experiences-of-dietary-management-in-chronic-kidney-disease-a-focus-group-study
#12
Jaimon T Kelly, Katrina L Campbell, Tammy Hoffmann, Dianne P Reidlinger
OBJECTIVE: People with chronic kidney disease (CKD) contend with complex dietary recommendations. The challenge in practice is for clinicians to provide individualized support with the frequency and consistency required to sustain dietary changes. This study aimed to describe the experiences of patients with managing dietary recommendations, including their perspectives on the potential to use telehealth to support dietary management in CKD. DESIGN: Focus group study...
November 14, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29145413/diffusion-based-neuromodulation-can-eliminate-catastrophic-forgetting-in-simple-neural-networks
#13
Roby Velez, Jeff Clune
A long-term goal of AI is to produce agents that can learn a diversity of skills throughout their lifetimes and continuously improve those skills via experience. A longstanding obstacle towards that goal is catastrophic forgetting, which is when learning new information erases previously learned information. Catastrophic forgetting occurs in artificial neural networks (ANNs), which have fueled most recent advances in AI. A recent paper proposed that catastrophic forgetting in ANNs can be reduced by promoting modularity, which can limit forgetting by isolating task information to specific clusters of nodes and connections (functional modules)...
2017: PloS One
https://www.readbyqxmd.com/read/29144758/on-the-density-dependence-of-the-integral-equation-coarse-graining-effective-potential
#14
Mohammadhasan Dinpajooh, Marina Giuseppina Guenza
Coarse-graining (CG) procedures provide computationally efficient methods for investigating the corresponding long time- and length-scale processes. In the bottom-up approaches, the effective interactions between the CG sites is obtained using the information from the atomistic simulations, but reliable CG procedures are required to preserve the structure and thermodynamics. In this regard, the integral equation coarse-graining (IECG) method is a promising approach that uses the first-principles Ornstein-Zernike equation in liquid state theory to determine the effective potential between CG sites...
November 16, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29144594/on-the-origin-of-obesity-identifying-the-biological-environmental-and-cultural-drivers-of-genetic-risk-among-human-populations
#15
REVIEW
A Qasim, M Turcotte, R J de Souza, M C Samaan, D Champredon, J Dushoff, J R Speakman, D Meyre
Genetic predisposition to obesity presents a paradox: how do genetic variants with a detrimental impact on human health persist through evolutionary time? Numerous hypotheses, such as the thrifty genotype hypothesis, attempt to explain this phenomenon yet fail to provide a justification for the modern obesity epidemic. In this critical review, we appraise existing theories explaining the evolutionary origins of obesity and explore novel biological and sociocultural agents of evolutionary change to help explain the modern-day distribution of obesity-predisposing variants...
November 16, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29144550/self-determination-theory-as-a-foundation-for-personality-researchers
#16
Kennon M Sheldon, Mike Prentice
In this introductory article we first describe the impetus for this special issue. What made us think that Self-Determination Theory (SDT) might provide a sort of foundation for the rest of personality psychology? For readers unfamiliar with SDT, we then provide a historical overview which covers the evolution of the six "mini-theories" that currently comprise SDT: cognitive evaluation theory, causality orientations theory, organismic integration theory, basic psychological needs theory, goal contents theory, and relational motivation theory...
November 16, 2017: Journal of Personality
https://www.readbyqxmd.com/read/29144068/going-public-early-disclosure-of-food-risks-for-the-benefit-of-public-health
#17
Benjamin Chapman, Maria Sol Erdozaim, Douglas Powell
Often during an outbreak of foodborne illness, there are health officials who have data indicating that there is a risk prior to notifying the public. During the lag period between the first public health signal and some release of public information, there are decision makers who are weighing evidence with the impacts of going public. Multiple agencies and analysts have lamented that there is not a common playbook or decision tree for how public health agencies determine what information to release and when...
March 2017: Journal of Environmental Health
https://www.readbyqxmd.com/read/29143909/design-of-an-optimum-poincar%C3%A3-plane-for-extracting-meaningful-samples-from-eeg-signals
#18
Babak Sharif, Amir Homayoun Jafari
Biosignals are considered as important sources of data for diagnosing and detecting abnormalities, and modeling dynamics in the body. These signals are usually analyzed using features taken from time and frequency domain. In theory' these dynamics can also be analyzed utilizing Poincaré plane that intersects system's trajectory. However' selecting an appropriate Poincaré plane is a crucial part of extracting best Poincaré samples. There is no unique way to choose a Poincaré plane' because it is highly dependent to the system dynamics...
November 16, 2017: Australasian Physical & Engineering Sciences in Medicine
https://www.readbyqxmd.com/read/29143835/recent-advances-in-quantum-scattering-calculations-on-polyatomic-bimolecular-reactions
#19
REVIEW
Bina Fu, Xiao Shan, Dong H Zhang, David C Clary
This review surveys quantum scattering calculations on chemical reactions of polyatomic molecules in the gas phase published in the last ten years. These calculations are useful because they provide highly accurate information on the dynamics of chemical reactions which can be compared in detail with experimental results. They also serve as quantum mechanical benchmarks for testing approximate theories which can more readily be applied to more complicated reactions. This review includes theories for calculating quantities such as rate constants which have many important scientific applications...
November 16, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/29141589/reconstructing-cancer-karyotypes-from-short-read-data-the-half-empty-and-half-full-glass
#20
Rami Eitan, Ron Shamir
BACKGROUND: During cancer progression genomes undergo point mutations as well as larger segmental changes. The latter include, among others, segmental deletions duplications, translocations and inversions.The result is a highly complex, patient-specific cancer karyotype. Using high-throughput technologies of deep sequencing and microarrays it is possible to interrogate a cancer genome and produce chromosomal copy number profiles and a list of breakpoints ("jumps") relative to the normal genome...
November 15, 2017: BMC Bioinformatics
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