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https://www.readbyqxmd.com/read/28088499/initial-uncertainty-impacts-statistical-learning-in-sound-sequence-processing
#1
Juanita Todd, Alexander Provost, Lisa Whitson, Daniel Mullens
This paper features two studies confirming a lasting impact of first learning on how subsequent experience is weighted in early relevance-filtering processes. In both studies participants were exposed to sequences of sound that contained a regular pattern on two different timescales. Regular patterning in sound is readily detected by the auditory system and used to form "prediction models" that define the most likely properties of sound to be encountered in a given context. The presence and strength of these prediction models is inferred from changes in automatically elicited components of auditory evoked potentials...
January 11, 2017: Journal of Physiology, Paris
https://www.readbyqxmd.com/read/28077716/the-attraction-effect-modulates-reward-prediction-errors-and-intertemporal-choices
#2
Sebastian Gluth, Jared M Hotaling, Jörg Rieskamp
: Classical economic theory contends that the utility of a choice option should be independent of other options. This view is challenged by the attraction effect, in which the relative preference between two options is altered by the addition of a third, asymmetrically dominated option. Here, we leveraged the attraction effect in the context of intertemporal choices to test whether both decisions and reward prediction errors (RPE) in the absence of choice violate the independence of irrelevant alternatives principle...
January 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28077697/point-counterpoint-what-is-the-optimal-approach-for-detection-of-clostridium-difficile-infection
#3
Ferric C Fang, Christopher R Polage, Mark H Wilcox
In 2010, we published an initial point-counterpoint on laboratory diagnosis of C. difficile infection (CDI). At that time, nucleic acid amplification tests (NAATs) were just becoming commercially available, and the idea of algorithmic approaches to CDI was being explored. Now there are numerous NAATs in the marketplace and based on recent proficiency test surveys, they have become the predominant method used for CDI diagnosis in the United States. At the same time, there is a body of literature that suggests that NAATs lack clinical specificity and thus inflate CDI rates...
January 11, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28077664/in-monkeys-making-value-based-decisions-amygdala-neurons-are-sensitive-to-cue-value-as-distinct-from-cue-salience
#4
Marvin Lionel Leathers, Carl R Olson
Neurons in area LIP of macaque monkey parietal cortex respond to cues predicting rewards and penalties of variable size in a manner that depends on the motivational salience of the predicted outcome (strong for both large reward and large penalty) rather than on its value (positive for large reward and negative for large penalty). This finding suggests that LIP mediates the capture of attention by salient events and does not encode value in the service of value-based decision making. It leaves open the question whether neurons elsewhere in the brain encode value in the identical task...
January 11, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28077130/the-case-of-value-based-healthcare-for-people-living-with-complex-long-term-conditions
#5
Marie Elf, Maria Flink, Marie Nilsson, Malin Tistad, Lena von Koch, Charlotte Ytterberg
BACKGROUND: There is a trend towards value-based health service, striving to cut costs while generating value for the patient. The overall objective comprises higher-quality health services and improved patient safety and cost efficiency. The approach could align with patient-centred care, as it entails a focus on the patient's experience of her or his entire cycle of care, including the use of well-defined outcome measurements. Challenges arise when the approach is applied to health services for people living with long-term complex conditions that require support from various healthcare services...
January 11, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28075077/making-sense-of-macra-part-2-value-based-payment-and-your-future
#6
Amy Mullins
No abstract text is available yet for this article.
January 2017: Family Practice Management
https://www.readbyqxmd.com/read/28073146/value-based-care-in-hepatology
#7
REVIEW
Mario Strazzabosco, John I Allen, Elizabeth O Teisberg
The migration from legacy fee-for-service reimbursement to payments linked to high value health care is accelerating in the United States because of new legislation and re-design of payments from the Centers for Medicare and Medicaid Services (CMS). Since patients with chronic diseases account for substantial use of health care resources, payers and health systems are focusing on maximizing the value of care for these patients. Since chronic liver diseases impose a major health burden worldwide affecting the health and lives of many individuals and families as well as substantial costs for individuals and payers, hepatologists must understand how they can improve their practices ...
January 10, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28072894/macra-easing-the-pain
#8
Amy Lynn Sorrel
Medicare's final MACRA regulations acquiesce to medicine's call for more flexibility for small practices in the first year but moves full speed ahead with the transition to value-based payment.
January 1, 2017: Texas Medicine
https://www.readbyqxmd.com/read/28072793/merit-based-incentive-payment-system-meaningful-changes-in-the-final-rule-brings-cautious-optimism
#9
Laxmaiah Manchikanti, Standiford Helm Ii, Aaron K Calodney, Joshua A Hirsch
The Medicare Access and CHIP Reauthorization Act of 2015 (MACRA) eliminated the flawed Sustainable Growth Rate (SGR) act formula - a longstanding crucial issue of concern for health care providers and Medicare beneficiaries. MACRA also included a quality improvement program entitled, "The Merit-Based Incentive Payment System, or MIPS." The proposed rule of MIPS sought to streamline existing federal quality efforts and therefore linked 4 distinct programs into one. Three existing programs, meaningful use (MU), Physician Quality Reporting System (PQRS), value-based payment (VBP) system were merged with the addition of Clinical Improvement Activity category...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28070707/value-based-assessment-of-radiology-reporting-using-radiologist-referring-physician-two-way-feedback-system-a-design-thinking-based-approach
#10
Faiq Shaikh, Kenneth Hendrata, Brian Kolowitz, Omer Awan, Rasu Shrestha, Christopher Deible
In the era of value-based healthcare, many aspects of medical care are being measured and assessed to improve quality and reduce costs. Radiology adds enormously to health care costs and is under pressure to adopt a more efficient system that incorporates essential metrics to assess its value and impact on outcomes. Most current systems tie radiologists' incentives and evaluations to RVU-based productivity metrics and peer-review-based quality metrics. In a new potential model, a radiologist's performance will have to increasingly depend on a number of parameters that define "value," beginning with peer review metrics that include referrer satisfaction and feedback from radiologists to the referring physician that evaluates the potency and validity of clinical information provided for a given study...
January 9, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28069856/patient-hospital-experience-improved-modestly-but-no-evidence-medicare-incentives-promoted-meaningful-gains
#11
Irene Papanicolas, José F Figueroa, E John Orav, Ashish K Jha
The Centers for Medicare and Medicaid Services (CMS) has played a leading role in efforts to improve patients' experiences with hospital care. Yet little is known about how much patient experience has changed over the past decade, and even less is known about the impact of CMS's most recent strategy: tying payments to performance under the Value-Based Purchasing (VBP) program. We examined trends in multiple measures of patient satisfaction in the period 2008-14. We found that patient experience has improved modestly at US hospitals-both those participating in the VBP program and others-with the majority of improvement concentrated in the period before the program was implemented...
January 1, 2017: Health Affairs
https://www.readbyqxmd.com/read/28065452/value-based-approaches-for-emergency-care-in-a-new-era
#12
Laura Medford-Davis, David Marcozzi, Shantanu Agrawal, Brendan G Carr, Emily Carrier
Although emergency departments (EDs) play an integral role in the delivery of acute unscheduled care, they have not been fully integrated into broader health care reform efforts. Communication and coordination with the ambulatory environment remain limited, leaving ED care disconnected from patients' longitudinal care. In a value-based environment focused on improving quality, decreasing costs, enhancing population health, and improving the patient experience, this oversight represents a missed opportunity for emergency care...
January 5, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28063134/how-can-pricing-and-reimbursement-policies-improve-affordable-access-to-medicines-lessons-learned-from-european-countries
#13
REVIEW
Sabine Vogler, Valérie Paris, Alessandra Ferrario, Veronika J Wirtz, Kees de Joncheere, Peter Schneider, Hanne Bak Pedersen, Guillaume Dedet, Zaheer-Ud-Din Babar
This article discusses pharmaceutical pricing and reimbursement policies in European countries with regard to their ability to ensure affordable access to medicines. A frequently applied pricing policy is external price referencing. While it provides some benchmark for policy-makers and has been shown to be able to generate savings, it may also contribute to delay in product launch in countries where medicine prices are low. Value-based pricing has been proposed as a policy that promotes access while rewarding useful innovation; however, implementing it has proven quite challenging...
January 6, 2017: Applied Health Economics and Health Policy
https://www.readbyqxmd.com/read/28063083/can-mapping-algorithms-based-on-raw-scores-overestimate-qalys-gained-by-treatment-a-comparison-of-mappings-between-the-roland-morris-disability-questionnaire-and-the-eq-5d-3l-based-on-raw-and-differenced-score-data
#14
Jason Madan, Kamran A Khan, Stavros Petrou, Sarah E Lamb
INTRODUCTION: Mapping algorithms are increasingly being used to predict health-utility values based on responses or scores from non-preference-based measures, thereby informing economic evaluations. OBJECTIVES: We explored whether predictions in the EuroQol 5-dimension 3-level instrument (EQ-5D-3L) health-utility gains from mapping algorithms might differ if estimated using differenced versus raw scores, using the Roland-Morris Disability Questionnaire (RMQ), a widely used health status measure for low back pain, as an example...
January 6, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/28061965/report-of-the-acr-s-economics-committee-on-value-based-payment-models
#15
Giles W Boland, Lucille Glenn, Shlomit Goldberg-Stein, Saurabh Jha, Mark Mangano, Samir Patel, Kurt A Schoppe, David Seidenwurm, John Lohnes, Ezequiel Silva, Richard Abramson, Daniel J Durand, Laura Pattie, Pamela Kassing, Richard E Heller
A major outcome of the current health care reform process is the move away from unrestricted fee-for-service payment models toward those that are based on the delivery of better patient value and outcomes. The authors' purpose, therefore, is to critically evaluate and define those components of the overall imaging enterprise that deliver meaningful value to both patients and referrers and to determine how these components might be measured and quantified. These metrics might then be used to lobby providers and payers for sustainable payment solutions for radiologists and radiology services...
January 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28061793/screening-for-pickiness-a-validation-study
#16
Silje Steinsbekk, Trude Hamre Sveen, Alison Fildes, Clare Llewellyn, Lars Wichstrøm
Picky eating is prevalent in childhood and is associated with negative health outcomes. Therefore early detection of pickiness is pertinent. Because no psychometric measure of picky/fussy eating has been validated, we aimed to examine the screening efficiency of the 6-item 'Food Fussiness' (FF) scale from the Children's Eating Behavior Questionnaire using structured psychiatric interviews (the Preschool Age Psychiatric Interview), providing meaningful cut-off values based on a large, representative sample of Norwegian 6 year olds (n = 752)...
January 7, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28059313/speckleless-holographic-display-by-complex-modulation-based-on-double-phase-method
#17
Yijun Qi, Chenliang Chang, Jun Xia
The purpose of this study is to implement speckle reduced three-dimensional (3-D) holographic display by single phase-only spatial light modulator (SLM). The complex amplitude of hologram is transformed to pure phase value based on double-phase method. To suppress noises and higher order diffractions, we introduced a 4-f system with a filter at the frequency plane. A blazing grating is proposed to separate the complex amplitude on the frequency plane. Due to the complex modulation, the speckle noise is reduced...
December 26, 2016: Optics Express
https://www.readbyqxmd.com/read/28057725/the-neuro-computational-architecture-of-value-based-selection-in-the-human-brain
#18
Philippe Domenech, Jérôme Redouté, Etienne Koechlin, Jean-Claude Dreher
Current neural models of value-based decision-making consider choices as a 2-stage process, proceeding from the "valuation" of each option under consideration to the "selection" of the best option on the basis of their subjective values. However, little is known about the computational mechanisms at play at the selection stage and its implementation in the human brain. Here, we used drift-diffusion models combined with model-based functional magnetic resonance imaging, effective connectivity, and multivariate pattern analysis to characterize the neuro-computational architecture of value-based decisions...
January 4, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28057565/development-and-validation-of-a-continuously-age-adjusted-measure-of-patient-condition-for-hospitalized-children-using-the-electronic-medical-record
#19
Michael J Rothman, Joseph J Tepas, Andrew J Nowalk, James E Levin, Joan M Rimar, Albert Marchetti, Allen L Hsiao
Awareness of a patient's clinical status during hospitalization is a primary responsibility for hospital providers. One tool to assess status is the Rothman Index (RI), a validated measure of patient condition for adults, based on empirically derived relationships between 1-year post-discharge mortality and each of 26 clinical measurements available in the electronic medical record. However, such an approach cannot be used for pediatrics, where the relationships between risk and clinical variables are distinct functions of patient age, and sufficient 1-year mortality data for each age group simply does not exist...
January 2, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28056102/magnetic-particle-imaging-mpi-experimental-quantification-of-vascular-stenosis-using-stationary-stenosis-phantoms
#20
Sarah Vaalma, Jürgen Rahmer, Nikolaos Panagiotopoulos, Robert L Duschka, Jörn Borgert, Jörg Barkhausen, Florian M Vogt, Julian Haegele
Magnetic Particle Imaging (MPI) is able to provide high temporal and good spatial resolution, high signal-to-noise ratio and sensitivity. Furthermore, it is a truly quantitative method as its signal strength is proportional to the concentration of its tracer, superparamagnetic iron oxide nanoparticles (SPIOs). Because of that, MPI is proposed to be a promising future method for cardiovascular imaging. Here, an interesting application may be the quantification of vascular pathologies like stenosis by utilizing the proportionality of the SPIO concentration and the MPI signal strength...
2017: PloS One
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