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Dynamic decision making

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https://www.readbyqxmd.com/read/28338970/woody-plant-ecosystems-under-climate-change-and-air-pollution-response-consistencies-across-zonobiomes
#1
R Matyssek, A R Kozovits, G Wieser, J King, H Rennenberg
Forests store the largest terrestrial pools of carbon (C), helping to stabilize the global climate system, yet are threatened by climate change (CC) and associated air pollution (AP, highlighting ozone (O3) and nitrogen oxides (NOx)). We adopt the perspective that CC-AP drivers and physiological impacts are universal, resulting in consistent stress responses of forest ecosystems across zonobiomes. Evidence supporting this viewpoint is presented from the literature on ecosystem gross/net primary productivity and water cycling...
March 14, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28336570/task-dependent-behavioral-dynamics-make-the-case-for-temporal-integration-in-multiple-strategies-during-odor-processing
#2
Donald E Frederick, Austin Brown, Stephanie Tacopina, Nisarg Mehta, Mark Vujovic, Elizabeth Brim, Tasneem Amina, Bethany Fixsen, Leslie M Kay
Differing results in olfactory-based decision-making research regarding the amount of time that rats and mice use to identify odors have led to some disagreements about odor processing mechanics, including whether or not rodents use temporal integration (i.e., sniffing longer to identify odors better). Reported differences in behavioral strategies may be due to the different types of tasks used in different laboratories. Some researchers have reported that animals performing two-alternative choice (TAC) tasks need only 1-2 sniffs and do not increase performance with longer sampling...
March 23, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28334612/computing-by-robust-transience-how-the-fronto-parietal-network-performs-sequential-category-based-decisions
#3
Warasinee Chaisangmongkon, Sruthi K Swaminathan, David J Freedman, Xiao-Jing Wang
Decision making involves dynamic interplay between internal judgements and external perception, which has been investigated in delayed match-to-category (DMC) experiments. Our analysis of neural recordings shows that, during DMC tasks, LIP and PFC neurons demonstrate mixed, time-varying, and heterogeneous selectivity, but previous theoretical work has not established the link between these neural characteristics and population-level computations. We trained a recurrent network model to perform DMC tasks and found that the model can remarkably reproduce key features of neuronal selectivity at the single-neuron and population levels...
March 22, 2017: Neuron
https://www.readbyqxmd.com/read/28333591/evidence-accumulation-and-change-rate-inference-in-dynamic-environments
#4
Adrian E Radillo, Alan Veliz-Cuba, Krešimir Josić, Zachary P Kilpatrick
In a constantly changing world, animals must account for environmental volatility when making decisions. To appropriately discount older, irrelevant information, they need to learn the rate at which the environment changes. We develop an ideal observer model capable of inferring the present state of the environment along with its rate of change. Key to this computation is an update of the posterior probability of all possible change point counts. This computation can be challenging, as the number of possibilities grows rapidly with time...
March 23, 2017: Neural Computation
https://www.readbyqxmd.com/read/28333517/considering-a-family-systems-approach-to-surrogate-decision-making
#5
Elizabeth K Vig, Janelle S Taylor, Ann M O'Hare
Comments on the original article by Rolland, Emanuel, and Torke (see record 2017-05300-001) regarding a family systems approach to medical decision-making by proxy. The authors expanded the focus of clinicians beyond the patient to a more comprehensive understanding of the patient's family. They assert that a better understanding of family dynamics may help clinicians to engage with families more effectively when decision-making is needed for seriously ill loved ones, and may lessen the emotional challenges families and clinicians face when decisions are needed...
March 2017: Families, Systems & Health: the Journal of Collaborative Family Healthcare
https://www.readbyqxmd.com/read/28330878/linear-summation-of-repulsive-and-attractive-serial-dependencies-orientation-and-motion-dependencies-sum-in-motion-perception
#6
David Alais, Johahn Leung, Erik Van der Burg
Recent work from several groups has shown that perception of various visual attributes in human observers at a given moment is biased towards what was recently seen. This positive serial dependency is a kind of temporal averaging which exploits short-term correlations in visual scenes to reduce noise and stabilise perception. To date this stabilising 'continuity field' has been demonstrated on stable visual attributes such as orientation and face identity, yet it would be counterproductive to apply it to dynamic attributes where change sensitivity is needed...
March 22, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28322678/staying-afloat-in-a-sea-of-information-point-of-care-resources
#7
REVIEW
Rebecca Andrews, Neil Mehta, Jack Maypole, Stephen A Martin
Physicians can use a variety of electronic resources at the point of care to help them make decisions about patient management. The authors address the need for these resources, characterize the elements of good resources, and compare several popular ones, ie, Clinical Evidence, Dynamed, Evidence Essentials, First Consult, Medscape, and UpToDate.
March 2017: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/28322063/discrepancies-between-blood-glucose-and-interstitial-glucose-technological-artifacts-or-physiology
#8
Thorsten Siegmund, Lutz Heinemann, Ralf Kolassa, Andreas Thomas
BACKGROUND: For decades, the major source of information used to make therapeutic decisions by patients with diabetes has been glucose measurements using capillary blood samples. Knowledge gained from clinical studies, for example, on the impact of metabolic control on diabetes-related complications, is based on such measurements. Different to traditional blood glucose measurement systems, systems for continuous glucose monitoring (CGM) measure glucose in interstitial fluid (ISF). The assumption is that glucose levels in blood and ISF are practically the same and that the information provided can be used interchangeably...
March 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28320374/using-a-multimethod-approach-to-develop-implementation-strategies-for-a-cervical-self-sampling-program-in-kenya
#9
Irene Podolak, Caroline Kisia, Gloria Omosa-Manyonyi, Jarold Cosby
BACKGROUND: Numerous health policy makers/researchers are concerned about the limitations of research being applied to support informed decision/policy making and the implementation of practical solutions. The aim of the Chaguo Letu project (which means our choice in Swahili) was to determine how local decision makers could apply a multimethod approach to make strategic decisions to effectively implement a Cervical Self-Sampling Program in Kenya. METHODS: A multimethod approach, involving participatory action research, scenario based planning, and phenomenology, was applied in conjunction with two tools to identify relevant factors (negative or positive) that could impact Cervical Self-Sampling Program implementation...
March 21, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28316618/an-evolutionary-method-for-financial-forecasting-in-microscopic-high-speed-trading-environment
#10
Chien-Feng Huang, Hsu-Chih Li
The advancement of information technology in financial applications nowadays have led to fast market-driven events that prompt flash decision-making and actions issued by computer algorithms. As a result, today's markets experience intense activity in the highly dynamic environment where trading systems respond to others at a much faster pace than before. This new breed of technology involves the implementation of high-speed trading strategies which generate significant portion of activity in the financial markets and present researchers with a wealth of information not available in traditional low-speed trading environments...
2017: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28304122/comparative-study-of-magnetic-resonance-defaecography-and-evacuation-proctography-in-the-evaluation-of-obstructed-defaecation
#11
A Zafa, C Seretis, M Feretis, S Karandikar, S C Williams, M Goldstein, M Chapman
AIM: Obstructed defaecation syndrome (ODS) is a common condition of multifactorial aetiology and requires specialised evaluation. Accurate and reproducible pelvic floor imaging is imperative for multidisciplinary decision-making. Evacuation Proctography (EP) and Magnetic Resonance Defaecography (MRD) are the main imaging modalities used to assess dynamic pelvic floor function. The aim of this prospective study was to compare the findings and acceptability of MRD and EP in the same cohort of patients...
March 17, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28302330/precision-surgery-for-colorectal-liver-metastases-opportunities-and-challenges-of-omics-based-decision-making
#12
REVIEW
R P Jones, K W Brudvik, J M Franklin, G J Poston
Precision surgery involves improving patient selection to ensure that surgical intervention that is proven to benefit on a population level is the optimal treatment for each individual patient. For patients with colorectal liver metastases (CRLM), existing prognostic scoring systems rely on well-recognised histopathological features such as size and number of lesions. Advances in preoperative imaging algorithms mean that increasingly low volume disease can be detected, improving assessment of these factors...
March 6, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28301475/multiple-ecosystem-services-in-a-working-landscape
#13
Danny J Eastburn, Anthony T O'Geen, Kenneth W Tate, Leslie M Roche
Policy makers and practitioners are in need of useful tools and models for assessing ecosystem service outcomes and the potential risks and opportunities of ecosystem management options. We utilize a state-and-transition model framework integrating dynamic soil and vegetation properties to examine multiple ecosystem services-specifically agricultural production, biodiversity and habitat, and soil health-across human created vegetation states in a managed oak woodland landscape in a Mediterranean climate. We found clear tradeoffs and synergies in management outcomes...
2017: PloS One
https://www.readbyqxmd.com/read/28298877/applying-structural-systems-thinking-to-frame-perspectives-on-social-work-innovation
#14
Erin J Stringfellow
OBJECTIVE: Innovation will be key to the success of the Grand Challenges Initiative in social work. A structural systems framework based in system dynamics could be useful for considering how to advance innovation. METHOD: Diagrams using system dynamics conventions were developed to link common themes across concept papers written by social work faculty members and graduate students (N = 19). RESULTS: Transdisciplinary teams and ethical partnerships with communities and practitioners will be needed to responsibly develop high-quality innovative solutions...
March 2017: Research on Social Work Practice
https://www.readbyqxmd.com/read/28296635/dynamics-of-embryonic-stem-cell-differentiation-inferred-from-single-cell-transcriptomics-show-a-series-of-transitions-through-discrete-cell-states
#15
Sumin Jang, Sandeep Choubey, Leon Furchtgott, Ling-Nan Zou, Adele Doyle, Vilas Menon, Ethan B Loew, Anne-Rachel Krostag, Refugio A Martinez, Linda Madisen, Boaz P Levi, Sharad Ramanathan
The complexity of gene regulatory networks that lead multipotent cells to acquire different cell fates makes a quantitative understanding of differentiation challenging. Using a statistical framework to analyze single-cell transcriptomics data, we infer the gene expression dynamics of early mouse embryonic stem (mES) cell differentiation, uncovering discrete transitions across nine cell states. We validate the predicted transitions across discrete states using flow cytometry. Moreover, using live-cell microscopy, we show that individual cells undergo abrupt transitions from a naïve to primed pluripotent state...
March 15, 2017: ELife
https://www.readbyqxmd.com/read/28293814/environmental-monitoring-and-assessment-of-landscape-dynamics-in-southern-coast-of-the-caspian-sea-through-intensity-analysis-and-imprecise-land-use-data
#16
Mohammad Hasani, Yousef Sakieh, Sadeq Dezhkam, Tahereh Ardakani, Abdolrassoul Salmanmahiny
A hierarchical intensity analysis of land-use change is applied to evaluate the dynamics of a coupled urban coastal system in Rasht County, Iran. Temporal land-use layers of 1987, 1999, and 2011 are employed, while spatial accuracy metrics are only available for 2011 data (overall accuracy of 94%). The errors in 1987 and 1999 layers are unknown, which can influence the accuracy of temporal change information. Such data were employed to examine the size and the type of errors that could justify deviations from uniform change intensities...
April 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28291575/breaking-the-sound-barrier-exploring-parents-decision-making-process-of-cochlear-implants-for-their-children
#17
Pamara F Chang
OBJECTIVE: To understand the dynamic experiences of parents undergoing the decision-making process regarding cochlear implants for their child(ren). METHODS: Thirty-three parents of d/Deaf children participated in semi-structured interviews. Interviews were digitally recorded, transcribed, and coded using iterative and thematic coding. RESULTS: The results from this study reveal four salient topics related to parents' decision-making process regarding cochlear implantation: 1) factors parents considered when making the decision to get the cochlear implant for their child (e...
March 6, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/28289854/seekers-finders-settlers-and-stumblers-identifying-the-career-paths-of-males-in-the-genetic-counseling-profession
#18
Anthony Chen, Pat McCarthy Veach, Cheri Schoonveld, Heather Zierhut
Genetic counseling is a female-dominated profession, with 96% of counselors self-identifying as female. Research suggests gender diversification benefits healthcare professionals and the populations they serve. Therefore, this study explored how men choose a genetic counseling career, associations between career satisfaction and their career entry dynamics and experience levels, and differences due to experience level in how they decide on this profession. Twenty-five novice, experienced, or seasoned male counselors and 8 male genetic counseling students participated in semi-structured phone interviews...
March 14, 2017: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/28286699/rural-women-s-experience-of-living-and-giving-birth-in-relief-camps-in-pakistan
#19
Humaira Maheen, Elizabeth Hoban
BACKGROUND: Women are more vulnerable than men in the same natural disaster setting. Preexisting gender inequality, socio-cultural community dynamics and poverty puts women at significant risk of mortality. Pregnant women are particularly vulnerable because of their limited or no access to prenatal and obstetric care during any disaster or humanitarian emergency setting. METHODS: In-depth interviews were conducted with 15 women who gave birth during the 2011 floods in Sindh Province, Pakistan...
January 31, 2017: PLoS Currents
https://www.readbyqxmd.com/read/28274261/a-qualitative-exploration-of-care-seeking-pathways-for-sick-children-in-the-rural-oromia-region-of-ethiopia
#20
Bryan Shaw, Agbessi Amouzou, Nathan P Miller, Jennifer Bryce, Pamela J Surkan
BACKGROUND: Ethiopia has experienced rapid improvements in its healthcare infrastructure, such as through the recent scale up of integrated community case management (iCCM) delivered by community-based health extension workers (HEWs) targeting children under the age of five. Despite notable improvements in child outcomes, the use of HEWs delivering iCCM remains very low. The aim of our study was to explain this phenomenon by examining care-seeking practices and treatment for sick children in two rural districts in the Oromia Region of Ethiopia...
March 9, 2017: BMC Health Services Research
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